From 8b11e88a912a746099157c03ba16e724a5009d12 Mon Sep 17 00:00:00 2001
From: Aman Agrawal <amanagr@zulip.com>
Date: Wed, 8 Oct 2025 14:46:34 +0530
Subject: [PATCH] stripe: Upgrade to latest version.

This includes some changes to specify the correct type for
params.
---
 corporate/lib/stripe.py                       |  16 +-
 .../add_minimum_licenses--Charge.list.1.json  |   2 +-
 .../add_minimum_licenses--Event.list.1.json   |   2 +-
 .../add_minimum_licenses--Event.list.2.json   |  29 +-
 .../add_minimum_licenses--Event.list.3.json   |   4 +-
 ...dd_minimum_licenses--Invoice.create.1.json |   2 +-
 ...inimum_licenses--InvoiceItem.create.1.json |   1 +
 ...m_licenses--checkout.Session.create.1.json |  24 +-
 ...mum_licenses--checkout.Session.list.1.json |  24 +-
 ...tach_discount_to_realm--Charge.list.1.json |   2 +-
 ...tach_discount_to_realm--Charge.list.2.json |   4 +-
 ...ttach_discount_to_realm--Event.list.1.json |   2 +-
 ...ttach_discount_to_realm--Event.list.2.json |  27 +-
 ...ttach_discount_to_realm--Event.list.3.json |   4 +-
 ...ttach_discount_to_realm--Event.list.5.json |   2 +-
 ...ttach_discount_to_realm--Event.list.6.json |  33 +-
 ...ttach_discount_to_realm--Event.list.7.json |   2 +-
 ...h_discount_to_realm--Invoice.create.1.json |   2 +-
 ...h_discount_to_realm--Invoice.create.2.json |   2 +-
 ...h_discount_to_realm--Invoice.create.3.json |   2 +-
 ...scount_to_realm--InvoiceItem.create.1.json |   1 +
 ...scount_to_realm--InvoiceItem.create.2.json |   1 +
 ...scount_to_realm--InvoiceItem.create.3.json |   1 +
 ...t_to_realm--checkout.Session.create.1.json |  24 +-
 ...t_to_realm--checkout.Session.create.2.json |  24 +-
 ...unt_to_realm--checkout.Session.list.1.json |  24 +-
 ...unt_to_realm--checkout.Session.list.2.json |  24 +-
 ...illing_page_permissions--Event.list.1.json |   2 +-
 ...illing_page_permissions--Event.list.2.json |  35 +-
 ...illing_page_permissions--Event.list.3.json |   4 +-
 ...ng_page_permissions--Invoice.create.1.json |   2 +-
 ...age_permissions--InvoiceItem.create.1.json |   1 +
 ...ermissions--checkout.Session.create.1.json |  24 +-
 ..._permissions--checkout.Session.list.1.json |  24 +-
 ...de_at_end_of_free_trial--Event.list.1.json |  53 +-
 ...free_trial--checkout.Session.create.1.json |  24 +-
 ...f_free_trial--checkout.Session.list.1.json |  24 +-
 ...tomer_but_payment_fails--Event.list.1.json |   2 +-
 ...r_but_payment_fails--Invoice.create.1.json |   2 +-
 ...omer_but_payment_fails--Invoice.pay.1.json |  22 +-
 ...t_payment_fails--InvoiceItem.create.1.json |   1 +
 ...ment_fails--checkout.Session.create.1.json |  24 +-
 ...ayment_fails--checkout.Session.list.1.json |  24 +-
 ...om_standard_to_plus--Invoice.create.1.json |   2 +-
 ...d_to_plus--Invoice.finalize_invoice.1.json |   2 +-
 ...from_standard_to_plus--Invoice.list.1.json |   2 +-
 ...tandard_to_plus--InvoiceItem.create.1.json |   1 +
 ...parameters--checkout.Session.create.1.json |  24 +-
 ...parameters--checkout.Session.create.2.json |  24 +-
 ...parameters--checkout.Session.create.3.json |  24 +-
 ...parameters--checkout.Session.create.4.json |  24 +-
 ...parameters--checkout.Session.create.5.json |  24 +-
 ...parameters--checkout.Session.create.6.json |  24 +-
 ...parameters--checkout.Session.create.7.json |  24 +-
 ...parameters--checkout.Session.create.8.json |  24 +-
 ...parameters--checkout.Session.create.9.json |  24 +-
 ...e_parameters--checkout.Session.list.1.json |  24 +-
 ...e_parameters--checkout.Session.list.2.json |  24 +-
 ...e_parameters--checkout.Session.list.3.json |  24 +-
 ...e_parameters--checkout.Session.list.4.json |  24 +-
 ...e_parameters--checkout.Session.list.5.json |  24 +-
 ...e_parameters--checkout.Session.list.6.json |  24 +-
 ...e_parameters--checkout.Session.list.7.json |  24 +-
 ...e_parameters--checkout.Session.list.8.json |  24 +-
 ...e_parameters--checkout.Session.list.9.json |  24 +-
 ..._default_payment_method--Event.list.1.json |   2 +-
 ..._default_payment_method--Event.list.2.json |  31 +-
 ..._default_payment_method--Event.list.3.json |   4 +-
 ...ault_payment_method--Invoice.create.1.json |   2 +-
 ..._payment_method--InvoiceItem.create.1.json |   1 +
 ...ent_method--checkout.Session.create.1.json |  24 +-
 ...yment_method--checkout.Session.list.1.json |  24 +-
 ...nimum_licenses_for_plan--Event.list.1.json |   2 +-
 ...nimum_licenses_for_plan--Event.list.2.json |  31 +-
 ...nimum_licenses_for_plan--Event.list.3.json |  39 +-
 ...m_licenses_for_plan--Invoice.create.1.json |   2 +-
 ...m_licenses_for_plan--Invoice.create.2.json |   2 +-
 ...censes_for_plan--InvoiceItem.create.1.json |   1 +
 ...censes_for_plan--InvoiceItem.create.2.json |   1 +
 ...s_for_plan--checkout.Session.create.1.json |  24 +-
 ...ses_for_plan--checkout.Session.list.1.json |  24 +-
 ...de_at_end_of_free_trial--Event.list.1.json |   2 +-
 ...free_trial--checkout.Session.create.1.json |  24 +-
 ...f_free_trial--checkout.Session.list.1.json |  24 +-
 ..._and_void_open_invoices--Event.list.1.json | 158 +----
 ..._and_void_open_invoices--Event.list.2.json |  25 +-
 ..._and_void_open_invoices--Event.list.3.json |   2 +-
 ..._void_open_invoices--Invoice.create.1.json |   2 +-
 ..._void_open_invoices--Invoice.create.2.json |   2 +-
 ...d_open_invoices--InvoiceItem.create.1.json |   1 +
 ...d_open_invoices--InvoiceItem.create.2.json |   1 +
 ..._payments_as_needed--Invoice.create.1.json |   2 +-
 ..._payments_as_needed--Invoice.create.2.json |   2 +-
 ..._payments_as_needed--Invoice.create.3.json |   2 +-
 ..._payments_as_needed--Invoice.create.4.json |   2 +-
 ..._payments_as_needed--Invoice.create.5.json |   2 +-
 ..._payments_as_needed--Invoice.create.6.json |   2 +-
 ..._payments_as_needed--Invoice.create.7.json |   2 +-
 ..._payments_as_needed--Invoice.create.8.json |   2 +-
 ...as_needed--Invoice.finalize_invoice.3.json |   2 +-
 ...as_needed--Invoice.finalize_invoice.8.json |   2 +-
 ...n_payments_as_needed--Invoice.list.15.json |   2 +-
 ...on_payments_as_needed--Invoice.list.7.json |   2 +-
 ...on_payments_as_needed--Invoice.list.8.json |   2 +-
 ...nts_as_needed--Invoice.void_invoice.3.json |   2 +-
 ...ments_as_needed--InvoiceItem.create.1.json |   1 +
 ...ments_as_needed--InvoiceItem.create.2.json |   1 +
 ...ments_as_needed--InvoiceItem.create.3.json |   1 +
 ...ments_as_needed--InvoiceItem.create.4.json |   1 +
 ...ments_as_needed--InvoiceItem.create.5.json |   1 +
 ...ments_as_needed--InvoiceItem.create.6.json |   1 +
 ...ments_as_needed--InvoiceItem.create.7.json |   1 +
 ...ments_as_needed--InvoiceItem.create.8.json |   1 +
 .../end_free_trial--Event.list.1.json         |  53 +-
 ...free_trial--checkout.Session.create.1.json |  24 +-
 ...d_free_trial--checkout.Session.list.1.json |  24 +-
 .../fixed_price_plans--Event.list.1.json      |  94 +--
 .../fixed_price_plans--Event.list.2.json      |  29 +-
 .../fixed_price_plans--Event.list.3.json      |   2 +-
 .../fixed_price_plans--Invoice.create.1.json  |   2 +-
 .../fixed_price_plans--Invoice.create.2.json  |   2 +-
 ...ice_plans--Invoice.finalize_invoice.2.json |   2 +-
 .../fixed_price_plans--Invoice.list.1.json    |   2 +-
 ...xed_price_plans--InvoiceItem.create.1.json |   1 +
 ...xed_price_plans--InvoiceItem.create.2.json |   1 +
 ...mentary_access_customer--Event.list.1.json |  53 +-
 ...mentary_access_customer--Event.list.2.json |  29 +-
 ...mentary_access_customer--Event.list.3.json |  44 +-
 ...ary_access_customer--Invoice.create.1.json |   2 +-
 ...access_customer--InvoiceItem.create.1.json |   1 +
 ...access_customer--InvoiceItem.create.2.json |   1 +
 ...s_customer--checkout.Session.create.1.json |  24 +-
 ...ess_customer--checkout.Session.list.1.json |  24 +-
 ...mentary_access_customer--Event.list.1.json |   2 +-
 ...mentary_access_customer--Event.list.2.json |  37 +-
 ...mentary_access_customer--Event.list.3.json |  15 +-
 ...ary_access_customer--Invoice.create.1.json |   2 +-
 ..._customer--Invoice.finalize_invoice.1.json |   2 +-
 ...entary_access_customer--Invoice.pay.1.json |   2 +-
 ...access_customer--InvoiceItem.create.1.json |   1 +
 ...access_customer--InvoiceItem.create.2.json |   1 +
 ...s_customer--checkout.Session.create.1.json |  24 +-
 ...ess_customer--checkout.Session.list.1.json |  24 +-
 ...e_trial_upgrade_by_card--Event.list.1.json |  51 +-
 ...e_trial_upgrade_by_card--Event.list.2.json |   2 +-
 ...ial_upgrade_by_card--Invoice.create.1.json |   2 +-
 ...ial_upgrade_by_card--Invoice.create.2.json |   2 +-
 ...ial_upgrade_by_card--Invoice.create.3.json |   2 +-
 ...e_by_card--Invoice.finalize_invoice.3.json |   2 +-
 ...trial_upgrade_by_card--Invoice.list.7.json |   2 +-
 ...upgrade_by_card--InvoiceItem.create.1.json |   1 +
 ...upgrade_by_card--InvoiceItem.create.2.json |   1 +
 ...upgrade_by_card--InvoiceItem.create.3.json |   1 +
 ...de_by_card--checkout.Session.create.1.json |  24 +-
 ...rade_by_card--checkout.Session.list.1.json |  24 +-
 ...rial_upgrade_by_invoice--Event.list.1.json |  52 +-
 ...rial_upgrade_by_invoice--Event.list.2.json |   6 +-
 ...rial_upgrade_by_invoice--Event.list.3.json |  21 +-
 ..._upgrade_by_invoice--Invoice.create.1.json |   2 +-
 ...y_invoice--Invoice.finalize_invoice.1.json |   4 +-
 ...al_upgrade_by_invoice--Invoice.list.1.json |   4 +-
 ...ial_upgrade_by_invoice--Invoice.pay.1.json |   4 +-
 ...rade_by_invoice--InvoiceItem.create.1.json |   1 +
 ...e_customer_fails_to_pay--Event.list.1.json |   2 +-
 ...e_customer_fails_to_pay--Event.list.2.json |   4 +-
 ...e_customer_fails_to_pay--Event.list.3.json |   7 +-
 ...stomer_fails_to_pay--Invoice.create.1.json |   2 +-
 ...ls_to_pay--Invoice.finalize_invoice.1.json |   2 +-
 ...er_fails_to_pay--InvoiceItem.create.1.json |   1 +
 ...nal_users_after_payment--Event.list.1.json |  44 +-
 ...nal_users_after_payment--Event.list.2.json |   4 +-
 ...nal_users_after_payment--Event.list.3.json |  17 +-
 ...users_after_payment--Invoice.create.1.json |   2 +-
 ...r_payment--Invoice.finalize_invoice.1.json |   2 +-
 ...l_users_after_payment--Invoice.list.1.json |   2 +-
 ...l_users_after_payment--Invoice.list.2.json |   2 +-
 ...al_users_after_payment--Invoice.pay.1.json |   2 +-
 ...s_after_payment--InvoiceItem.create.1.json |   1 +
 ...s_after_payment--InvoiceItem.create.2.json |   1 +
 ..._for_additional_license--Event.list.1.json |   2 +-
 ..._for_additional_license--Event.list.2.json | 367 +++++-----
 ..._for_additional_license--Event.list.3.json | 183 +----
 ..._additional_license--Invoice.create.1.json |   2 +-
 ..._additional_license--Invoice.create.2.json |   2 +-
 ...itional_license--InvoiceItem.create.1.json |   1 +
 ...itional_license--InvoiceItem.create.2.json |   1 +
 ...al_license--checkout.Session.create.1.json |  24 +-
 ...onal_license--checkout.Session.list.1.json |  24 +-
 ...mote_realm_upgrade--Customer.create.1.json |   4 +-
 ...mote_realm_upgrade--Customer.modify.1.json |   4 +-
 ...te_realm_upgrade--Customer.retrieve.1.json |   4 +-
 ...te_realm_upgrade--Customer.retrieve.2.json |   4 +-
 ...te_realm_upgrade--Customer.retrieve.3.json |   4 +-
 ...te_realm_upgrade--Customer.retrieve.4.json |   4 +-
 ...te_realm_upgrade--Customer.retrieve.5.json |   4 +-
 ...al_remote_realm_upgrade--Event.list.1.json |   6 +-
 ...al_remote_realm_upgrade--Event.list.2.json |  35 +-
 ...al_remote_realm_upgrade--Event.list.3.json |   9 +-
 ...emote_realm_upgrade--Invoice.create.1.json |   2 +-
 ...e_realm_upgrade--InvoiceItem.create.1.json |   1 +
 ...e_realm_upgrade--InvoiceItem.create.2.json |   1 +
 ...lm_upgrade--checkout.Session.create.1.json |  28 +-
 ...ealm_upgrade--checkout.Session.list.1.json |  28 +-
 ...l_remote_server_upgrade--Event.list.1.json |   2 +-
 ...l_remote_server_upgrade--Event.list.2.json |  29 +-
 ...l_remote_server_upgrade--Event.list.3.json |   9 +-
 ...mote_server_upgrade--Invoice.create.1.json |   2 +-
 ..._server_upgrade--InvoiceItem.create.1.json |   1 +
 ..._server_upgrade--InvoiceItem.create.2.json |   1 +
 ...er_upgrade--checkout.Session.create.1.json |  24 +-
 ...rver_upgrade--checkout.Session.list.1.json |  24 +-
 ...with_uncaught_exception--Event.list.1.json |   2 +-
 ...with_uncaught_exception--Event.list.2.json |  33 +-
 ...with_uncaught_exception--Event.list.3.json | 165 ++++-
 ..._uncaught_exception--Invoice.create.1.json |   2 +-
 ...aught_exception--InvoiceItem.create.1.json |   1 +
 ..._exception--checkout.Session.create.1.json |  24 +-
 ...ht_exception--checkout.Session.list.1.json |  24 +-
 .../invoice_plan--Event.list.1.json           |   2 +-
 .../invoice_plan--Event.list.2.json           |  33 +-
 .../invoice_plan--Event.list.3.json           |   4 +-
 .../invoice_plan--Invoice.create.1.json       |   2 +-
 .../invoice_plan--Invoice.create.2.json       |   2 +-
 .../invoice_plan--InvoiceItem.create.1.json   |   1 +
 .../invoice_plan--InvoiceItem.create.2.json   |   1 +
 .../invoice_plan--InvoiceItem.create.3.json   |   1 +
 .../invoice_plan--InvoiceItem.create.4.json   |   1 +
 ...voice_plan--checkout.Session.create.1.json |  24 +-
 ...invoice_plan--checkout.Session.list.1.json |  24 +-
 ...ce_plans_as_needed--Customer.create.1.json |   4 +-
 ...ce_plans_as_needed--Customer.modify.1.json |   4 +-
 ..._plans_as_needed--Customer.retrieve.1.json |   4 +-
 ..._plans_as_needed--Customer.retrieve.2.json |   4 +-
 ..._plans_as_needed--Customer.retrieve.3.json |   4 +-
 ..._plans_as_needed--Customer.retrieve.4.json |   4 +-
 ..._plans_as_needed--Customer.retrieve.5.json |   4 +-
 ...invoice_plans_as_needed--Event.list.1.json |   6 +-
 ...invoice_plans_as_needed--Event.list.2.json | 281 ++++----
 ...invoice_plans_as_needed--Event.list.3.json | 146 +---
 ...ice_plans_as_needed--Invoice.create.1.json |   2 +-
 ...ice_plans_as_needed--Invoice.create.2.json |   2 +-
 ...plans_as_needed--InvoiceItem.create.1.json |   1 +
 ...plans_as_needed--InvoiceItem.create.2.json |   1 +
 ...plans_as_needed--InvoiceItem.create.3.json |   1 +
 ...plans_as_needed--InvoiceItem.create.4.json |   1 +
 ...plans_as_needed--InvoiceItem.create.5.json |   1 +
 ..._as_needed--checkout.Session.create.1.json |  28 +-
 ...ns_as_needed--checkout.Session.list.1.json |  28 +-
 ..._plans_as_needed_server--Event.list.1.json |   2 +-
 ..._plans_as_needed_server--Event.list.2.json |  27 +-
 ..._plans_as_needed_server--Event.list.3.json |   9 +-
 ...ns_as_needed_server--Invoice.create.1.json |   2 +-
 ...ns_as_needed_server--Invoice.create.2.json |   2 +-
 ...s_needed_server--InvoiceItem.create.1.json |   1 +
 ...s_needed_server--InvoiceItem.create.2.json |   1 +
 ...s_needed_server--InvoiceItem.create.3.json |   1 +
 ...s_needed_server--InvoiceItem.create.4.json |   1 +
 ...s_needed_server--InvoiceItem.create.5.json |   1 +
 ...ded_server--checkout.Session.create.1.json |  24 +-
 ...eeded_server--checkout.Session.list.1.json |  24 +-
 ...entary_access_plan--Customer.create.1.json |   4 +-
 ...entary_access_plan--Customer.modify.1.json |   4 +-
 ...tary_access_plan--Customer.retrieve.1.json |   4 +-
 ...tary_access_plan--Customer.retrieve.2.json |   4 +-
 ...tary_access_plan--Customer.retrieve.3.json |   4 +-
 ...tary_access_plan--Customer.retrieve.4.json |   4 +-
 ...tary_access_plan--Customer.retrieve.5.json |   4 +-
 ...mentary_access_plan--Invoice.create.1.json |   2 +-
 ...ary_access_plan--InvoiceItem.create.1.json |   1 +
 ...ary_access_plan--InvoiceItem.create.2.json |   1 +
 ...ccess_plan--checkout.Session.create.1.json |  28 +-
 ..._access_plan--checkout.Session.list.1.json |  28 +-
 ...mentary_access_plan--Invoice.create.1.json |   2 +-
 ...cess_plan--Invoice.finalize_invoice.1.json |   2 +-
 ...limentary_access_plan--Invoice.list.2.json |   2 +-
 ...ary_access_plan--InvoiceItem.create.1.json |   1 +
 ...ary_access_plan--InvoiceItem.create.2.json |   1 +
 ...ccess_plan--checkout.Session.create.1.json |  24 +-
 ..._access_plan--checkout.Session.list.1.json |  24 +-
 ...realms_and_upgrade--Customer.create.1.json |   4 +-
 ...realms_and_upgrade--Customer.modify.1.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.1.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.2.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.3.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.4.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.5.json |   4 +-
 ...alms_and_upgrade--Customer.retrieve.6.json |   4 +-
 ...r_to_realms_and_upgrade--Event.list.1.json |   6 +-
 ...r_to_realms_and_upgrade--Event.list.2.json |  39 +-
 ...r_to_realms_and_upgrade--Event.list.3.json |  15 +-
 ..._realms_and_upgrade--Invoice.create.1.json |   2 +-
 ...d_upgrade--Invoice.finalize_invoice.1.json |   2 +-
 ..._to_realms_and_upgrade--Invoice.pay.1.json |   2 +-
 ...lms_and_upgrade--InvoiceItem.create.1.json |   1 +
 ...lms_and_upgrade--InvoiceItem.create.2.json |   1 +
 ...nd_upgrade--checkout.Session.create.1.json |  28 +-
 ..._and_upgrade--checkout.Session.list.1.json |  28 +-
 ...non_sponsorship_billing--Event.list.1.json |   2 +-
 ...non_sponsorship_billing--Event.list.2.json |  29 +-
 ...non_sponsorship_billing--Event.list.3.json |   9 +-
 ...sponsorship_billing--Invoice.create.1.json |   2 +-
 ...sorship_billing--InvoiceItem.create.1.json |   1 +
 ...sorship_billing--InvoiceItem.create.2.json |   1 +
 ...ip_billing--checkout.Session.create.1.json |  24 +-
 ...ship_billing--checkout.Session.list.1.json |  24 +-
 .../payment_method_string--Event.list.1.json  |   2 +-
 .../payment_method_string--Event.list.2.json  | 363 +++++-----
 .../payment_method_string--Event.list.3.json  | 172 +----
 .../payment_method_string--Event.list.4.json  |   6 -
 ...yment_method_string--Invoice.create.1.json |   2 +-
 ...od_string--Invoice.finalize_invoice.1.json |   2 +-
 .../payment_method_string--Invoice.pay.1.json |   2 +-
 ...t_method_string--InvoiceItem.create.1.json |   1 +
 ...hod_string--checkout.Session.create.1.json |  24 +-
 ...ethod_string--checkout.Session.list.1.json |  24 +-
 ...grade_at_free_trial_end--Event.list.1.json |   2 +-
 ..._trial_end--checkout.Session.create.1.json |  24 +-
 ...ee_trial_end--checkout.Session.list.1.json |  24 +-
 ..._at_free_trial_end--Customer.create.1.json |   4 +-
 ..._at_free_trial_end--Customer.modify.1.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.1.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.2.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.3.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.4.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.5.json |   4 +-
 ...t_free_trial_end--Customer.retrieve.6.json |   4 +-
 ...grade_at_free_trial_end--Event.list.1.json |   6 +-
 ..._trial_end--checkout.Session.create.1.json |  28 +-
 ...ee_trial_end--checkout.Session.list.1.json |  28 +-
 ...grade_at_free_trial_end--Event.list.1.json |   2 +-
 ..._trial_end--checkout.Session.create.1.json |  24 +-
 ...ee_trial_end--checkout.Session.list.1.json |  24 +-
 .../replace_payment_method--Event.list.1.json |  53 +-
 .../replace_payment_method--Event.list.2.json |  29 +-
 .../replace_payment_method--Event.list.3.json |   4 +-
 ...lace_payment_method--Invoice.create.1.json |   2 +-
 ...lace_payment_method--Invoice.create.2.json |   2 +-
 ...replace_payment_method--Invoice.pay.2.json |  22 +-
 ..._payment_method--InvoiceItem.create.1.json |   1 +
 ..._payment_method--SetupIntent.create.2.json |  20 +-
 ...ent_method--checkout.Session.create.1.json |  24 +-
 ...ent_method--checkout.Session.create.2.json |  24 +-
 ...ent_method--checkout.Session.create.3.json |  24 +-
 ...ent_method--checkout.Session.create.4.json |  24 +-
 ...ent_method--checkout.Session.create.5.json |  24 +-
 ...yment_method--checkout.Session.list.1.json |  24 +-
 ...yment_method--checkout.Session.list.2.json |  24 +-
 ...yment_method--checkout.Session.list.3.json |  24 +-
 ...o_fixed_price_plan--Customer.create.1.json |   4 +-
 ...o_fixed_price_plan--Customer.modify.1.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.1.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.2.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.3.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.4.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.5.json |   4 +-
 ...to_fixed_price_plan--Invoice.create.1.json |   2 +-
 ...ixed_price_plan--InvoiceItem.create.1.json |   1 +
 ...price_plan--checkout.Session.create.1.json |  28 +-
 ...d_price_plan--checkout.Session.list.1.json |  28 +-
 ...r_fixed_price_plan--Customer.create.1.json |   4 +-
 ...r_fixed_price_plan--Customer.modify.1.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.1.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.2.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.3.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.4.json |   4 +-
 ...fixed_price_plan--Customer.retrieve.5.json |   4 +-
 ...nother_fixed_price_plan--Event.list.1.json |   6 +-
 ...nother_fixed_price_plan--Event.list.2.json |  33 +-
 ...nother_fixed_price_plan--Event.list.3.json |   4 +-
 ...er_fixed_price_plan--Invoice.create.1.json |   2 +-
 ...r_fixed_price_plan--Invoice.create.10.json |   2 +-
 ...r_fixed_price_plan--Invoice.create.11.json |   2 +-
 ...r_fixed_price_plan--Invoice.create.12.json |   2 +-
 ...r_fixed_price_plan--Invoice.create.13.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.2.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.3.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.4.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.5.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.6.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.7.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.8.json |   2 +-
 ...er_fixed_price_plan--Invoice.create.9.json |   2 +-
 ...ice_plan--Invoice.finalize_invoice.11.json |   2 +-
 ...rice_plan--Invoice.finalize_invoice.5.json |   2 +-
 ...ixed_price_plan--InvoiceItem.create.1.json |   1 +
 ...xed_price_plan--InvoiceItem.create.10.json |   1 +
 ...xed_price_plan--InvoiceItem.create.11.json |   1 +
 ...xed_price_plan--InvoiceItem.create.12.json |   1 +
 ...xed_price_plan--InvoiceItem.create.13.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.2.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.3.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.4.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.5.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.6.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.7.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.8.json |   1 +
 ...ixed_price_plan--InvoiceItem.create.9.json |   1 +
 ...price_plan--checkout.Session.create.1.json |  28 +-
 ...d_price_plan--checkout.Session.list.1.json |  28 +-
 ...to_fixed_price_plan--Invoice.create.1.json |   2 +-
 ...rice_plan--Invoice.finalize_invoice.1.json |   2 +-
 ...ixed_price_plan--InvoiceItem.create.1.json |   1 +
 ...price_plan--checkout.Session.create.1.json |  24 +-
 ...d_price_plan--checkout.Session.list.1.json |  24 +-
 ...xed_price_business_plan--Event.list.1.json |   2 +-
 ...xed_price_business_plan--Event.list.2.json |  27 +-
 ...xed_price_business_plan--Event.list.3.json |   9 +-
 ...price_business_plan--Invoice.create.1.json |   2 +-
 ...price_business_plan--Invoice.create.2.json |   2 +-
 ...ness_plan--Invoice.finalize_invoice.2.json |   2 +-
 ...e_business_plan--InvoiceItem.create.1.json |   1 +
 ...e_business_plan--InvoiceItem.create.2.json |   1 +
 ...e_business_plan--InvoiceItem.create.3.json |   1 +
 ...iness_plan--checkout.Session.create.1.json |  24 +-
 ...usiness_plan--checkout.Session.list.1.json |  24 +-
 ...nual_business_plan--Customer.create.1.json |   4 +-
 ...nual_business_plan--Customer.modify.1.json |   4 +-
 ...al_business_plan--Customer.retrieve.1.json |   4 +-
 ...al_business_plan--Customer.retrieve.2.json |   4 +-
 ...al_business_plan--Customer.retrieve.3.json |   4 +-
 ...al_business_plan--Customer.retrieve.4.json |   4 +-
 ...al_business_plan--Customer.retrieve.5.json |   4 +-
 ...al_business_plan--Customer.retrieve.6.json |   4 +-
 ...ce_annual_business_plan--Event.list.1.json |   6 +-
 ...ce_annual_business_plan--Event.list.2.json |  33 +-
 ...ce_annual_business_plan--Event.list.3.json |   9 +-
 ...nnual_business_plan--Invoice.create.1.json |   2 +-
 ...nnual_business_plan--Invoice.create.2.json |   2 +-
 ...l_business_plan--InvoiceItem.create.1.json |   1 +
 ...l_business_plan--InvoiceItem.create.2.json |   1 +
 ...l_business_plan--InvoiceItem.create.3.json |   1 +
 ...iness_plan--checkout.Session.create.1.json |  28 +-
 ...usiness_plan--checkout.Session.list.1.json |  28 +-
 ...for_realms_on_paid_plan--Event.list.1.json |   2 +-
 ...for_realms_on_paid_plan--Event.list.2.json | 245 ++-----
 ...for_realms_on_paid_plan--Event.list.3.json | 222 +++++-
 ...realms_on_paid_plan--Invoice.create.1.json |   2 +-
 ...paid_plan--Invoice.finalize_invoice.1.json |   2 +-
 ...or_realms_on_paid_plan--Invoice.pay.1.json |   2 +-
 ...ms_on_paid_plan--InvoiceItem.create.1.json |   1 +
 ..._paid_plan--checkout.Session.create.1.json |  24 +-
 ...on_paid_plan--checkout.Session.list.1.json |  24 +-
 ...ipe_billing_portal_urls--Event.list.1.json |  33 +-
 ...ipe_billing_portal_urls--Event.list.2.json |  37 +-
 ...billing_portal_urls--Invoice.create.1.json |   2 +-
 ...rtal_urls--Invoice.finalize_invoice.1.json |   2 +-
 ...pe_billing_portal_urls--Invoice.pay.1.json |   2 +-
 ...ing_portal_urls--InvoiceItem.create.1.json |   1 +
 ...billing_portal.Configuration.create.1.json |   4 +-
 ...billing_portal.Configuration.create.2.json |   4 +-
 ...billing_portal.Configuration.create.3.json |   4 +-
 ...urls--billing_portal.Session.create.1.json |   2 +-
 ...ortal_urls--checkout.Session.create.1.json |  24 +-
 ..._portal_urls--checkout.Session.list.1.json |  24 +-
 ...s_for_remote_realm--Customer.create.1.json |   4 +-
 ...s_for_remote_realm--Customer.modify.1.json |   4 +-
 ...for_remote_realm--Customer.retrieve.1.json |   4 +-
 ...for_remote_realm--Customer.retrieve.2.json |   4 +-
 ...for_remote_realm--Customer.retrieve.3.json |   4 +-
 ...for_remote_realm--Customer.retrieve.4.json |   4 +-
 ...for_remote_realm--Customer.retrieve.5.json |   4 +-
 ...l_urls_for_remote_realm--Event.list.1.json |   6 +-
 ...l_urls_for_remote_realm--Event.list.2.json |  33 +-
 ...l_urls_for_remote_realm--Event.list.3.json |   9 +-
 ...ls_for_remote_realm--Invoice.create.1.json |   2 +-
 ...or_remote_realm--InvoiceItem.create.1.json |   1 +
 ...or_remote_realm--InvoiceItem.create.2.json |   1 +
 ...billing_portal.Configuration.create.1.json |   4 +-
 ...billing_portal.Configuration.create.2.json |   4 +-
 ...ealm--billing_portal.Session.create.1.json |   2 +-
 ...ealm--billing_portal.Session.create.2.json |   2 +-
 ...mote_realm--checkout.Session.create.1.json |  28 +-
 ...remote_realm--checkout.Session.list.1.json |  28 +-
 ..._urls_for_remote_server--Event.list.1.json |   2 +-
 ..._urls_for_remote_server--Event.list.2.json |  29 +-
 ..._urls_for_remote_server--Event.list.3.json |   9 +-
 ...s_for_remote_server--Invoice.create.1.json |   2 +-
 ...r_remote_server--InvoiceItem.create.1.json |   1 +
 ...r_remote_server--InvoiceItem.create.2.json |   1 +
 ...billing_portal.Configuration.create.1.json |   4 +-
 ...billing_portal.Configuration.create.2.json |   4 +-
 ...ote_server--checkout.Session.create.1.json |  24 +-
 ...emote_server--checkout.Session.list.1.json |  24 +-
 ...atic_license_management--Event.list.1.json |   2 +-
 ...atic_license_management--Event.list.2.json |  27 +-
 ...atic_license_management--Event.list.3.json |   4 +-
 ..._license_management--Invoice.create.1.json |   2 +-
 ..._license_management--Invoice.create.2.json |   2 +-
 ..._license_management--Invoice.create.3.json |   2 +-
 ...ense_management--InvoiceItem.create.1.json |   1 +
 ...ense_management--InvoiceItem.create.2.json |   1 +
 ...ense_management--InvoiceItem.create.3.json |   1 +
 ...ense_management--InvoiceItem.create.4.json |   1 +
 ...management--checkout.Session.create.1.json |  24 +-
 ...e_management--checkout.Session.list.1.json |  24 +-
 ...atic_license_management--Event.list.1.json |   2 +-
 ...atic_license_management--Event.list.2.json |  35 +-
 ...atic_license_management--Event.list.3.json |   4 +-
 ..._license_management--Invoice.create.1.json |   2 +-
 ..._license_management--Invoice.create.2.json |   2 +-
 ..._license_management--Invoice.create.3.json |   2 +-
 ..._license_management--Invoice.create.4.json |   2 +-
 ..._license_management--Invoice.create.5.json |   2 +-
 ...anagement--Invoice.finalize_invoice.2.json |   2 +-
 ...anagement--Invoice.finalize_invoice.5.json |   2 +-
 ...ic_license_management--Invoice.list.4.json |   2 +-
 ...ense_management--InvoiceItem.create.1.json |   1 +
 ...ense_management--InvoiceItem.create.2.json |   1 +
 ...ense_management--InvoiceItem.create.3.json |   1 +
 ...ense_management--InvoiceItem.create.4.json |   1 +
 ...ense_management--InvoiceItem.create.5.json |   1 +
 ...ense_management--InvoiceItem.create.6.json |   1 +
 ...management--checkout.Session.create.1.json |  24 +-
 ...e_management--checkout.Session.list.1.json |  24 +-
 ...nual_license_management--Event.list.1.json |   2 +-
 ...nual_license_management--Event.list.2.json |  29 +-
 ...nual_license_management--Event.list.3.json |   4 +-
 ..._license_management--Invoice.create.1.json |   2 +-
 ..._license_management--Invoice.create.2.json |   2 +-
 ..._license_management--Invoice.create.3.json |   2 +-
 ...ense_management--InvoiceItem.create.1.json |   1 +
 ...ense_management--InvoiceItem.create.2.json |   1 +
 ...ense_management--InvoiceItem.create.3.json |   1 +
 ...management--checkout.Session.create.1.json |  24 +-
 ...e_management--checkout.Session.list.1.json |  24 +-
 ..._from_annual_to_monthly--Event.list.1.json |  53 +-
 ...to_monthly--checkout.Session.create.1.json |  24 +-
 ...l_to_monthly--checkout.Session.list.1.json |  24 +-
 ..._from_monthly_to_annual--Event.list.1.json |   2 +-
 ..._to_annual--checkout.Session.create.1.json |  24 +-
 ...ly_to_annual--checkout.Session.list.1.json |  24 +-
 ...Customer.create_balance_transaction.1.json |   4 +-
 ...m_standard_to_plus_plan--Event.list.1.json |  53 +-
 ...m_standard_to_plus_plan--Event.list.2.json |  41 +-
 ...m_standard_to_plus_plan--Event.list.3.json |   8 +-
 ...andard_to_plus_plan--Invoice.create.1.json |   2 +-
 ...andard_to_plus_plan--Invoice.create.2.json |   4 +-
 ...plus_plan--Invoice.finalize_invoice.1.json |   2 +-
 ...plus_plan--Invoice.finalize_invoice.2.json |   6 +-
 ..._standard_to_plus_plan--Invoice.pay.1.json |   2 +-
 ...rd_to_plus_plan--InvoiceItem.create.1.json |   1 +
 ...rd_to_plus_plan--InvoiceItem.create.2.json |   1 +
 ..._plus_plan--checkout.Session.create.1.json |  24 +-
 ...to_plus_plan--checkout.Session.list.1.json |  24 +-
 ..._plan_from_billing_page--Event.list.1.json |   2 +-
 ..._plan_from_billing_page--Event.list.2.json | 236 ++-----
 ..._plan_from_billing_page--Event.list.3.json | 180 ++++-
 ...n_from_billing_page--Invoice.create.1.json |   2 +-
 ...n_from_billing_page--Invoice.create.2.json |   2 +-
 ...n_from_billing_page--Invoice.create.3.json |   2 +-
 ...n_from_billing_page--Invoice.create.4.json |   2 +-
 ...om_billing_page--InvoiceItem.create.1.json |   1 +
 ...om_billing_page--InvoiceItem.create.2.json |   1 +
 ...om_billing_page--InvoiceItem.create.3.json |   1 +
 ...om_billing_page--InvoiceItem.create.4.json |   1 +
 .../upgrade_by_card--Charge.list.1.json       |   2 +-
 .../upgrade_by_card--Event.list.1.json        |   2 +-
 .../upgrade_by_card--Event.list.2.json        |   2 +-
 .../upgrade_by_card--Event.list.3.json        |  31 +-
 .../upgrade_by_card--Event.list.4.json        |   4 +-
 .../upgrade_by_card--Invoice.create.1.json    |   2 +-
 ...upgrade_by_card--InvoiceItem.create.1.json |   1 +
 ...de_by_card--checkout.Session.create.1.json |  24 +-
 ...rade_by_card--checkout.Session.list.1.json |  24 +-
 ...e_by_card_to_plus_plan--Charge.list.1.json |   2 +-
 ...de_by_card_to_plus_plan--Event.list.1.json |   2 +-
 ...de_by_card_to_plus_plan--Event.list.2.json |  29 +-
 ...de_by_card_to_plus_plan--Event.list.3.json |   4 +-
 ...y_card_to_plus_plan--Invoice.create.1.json |   2 +-
 ...rd_to_plus_plan--InvoiceItem.create.1.json |   1 +
 ..._plus_plan--checkout.Session.create.1.json |  24 +-
 ...to_plus_plan--checkout.Session.list.1.json |  24 +-
 ...dated_lower_seat_count--Charge.list.1.json |   2 +-
 ...tdated_lower_seat_count--Event.list.1.json |   2 +-
 ...tdated_lower_seat_count--Event.list.2.json | 666 +++++++++---------
 ...tdated_lower_seat_count--Event.list.3.json |   9 +-
 ...tdated_lower_seat_count--Event.list.4.json | 164 +----
 ...tdated_lower_seat_count--Event.list.5.json |   6 -
 ...ed_lower_seat_count--Invoice.create.1.json |   2 +-
 ...ower_seat_count--InvoiceItem.create.1.json |   1 +
 ...seat_count--checkout.Session.create.1.json |  24 +-
 ...r_seat_count--checkout.Session.list.1.json |  24 +-
 ...th_outdated_seat_count--Charge.list.1.json |   2 +-
 ...ith_outdated_seat_count--Event.list.1.json |   2 +-
 ...ith_outdated_seat_count--Event.list.2.json |  35 +-
 ...ith_outdated_seat_count--Event.list.3.json |   8 +-
 ...ith_outdated_seat_count--Event.list.4.json |  18 +-
 ...outdated_seat_count--Invoice.create.1.json |   2 +-
 ...outdated_seat_count--Invoice.create.2.json |   2 +-
 ...eat_count--Invoice.finalize_invoice.1.json |   2 +-
 ...h_outdated_seat_count--Invoice.list.2.json |   2 +-
 ...th_outdated_seat_count--Invoice.pay.1.json |   2 +-
 ...ated_seat_count--InvoiceItem.create.1.json |   1 +
 ...ated_seat_count--InvoiceItem.create.2.json |   1 +
 ...seat_count--checkout.Session.create.1.json |  24 +-
 ...d_seat_count--checkout.Session.list.1.json |  24 +-
 ..._minimum_for_plan_tier--Charge.list.1.json |   2 +-
 ...d_minimum_for_plan_tier--Event.list.1.json |   2 +-
 ...d_minimum_for_plan_tier--Event.list.2.json | 247 ++-----
 ...d_minimum_for_plan_tier--Event.list.3.json | 222 +++++-
 ...nimum_for_plan_tier--Invoice.create.1.json |   2 +-
 ...plan_tier--Invoice.finalize_invoice.1.json |   2 +-
 ...minimum_for_plan_tier--Invoice.list.2.json |   2 +-
 ..._minimum_for_plan_tier--Invoice.pay.1.json |   2 +-
 ...m_for_plan_tier--InvoiceItem.create.1.json |   1 +
 ..._plan_tier--checkout.Session.create.1.json |  24 +-
 ...or_plan_tier--checkout.Session.list.1.json |  24 +-
 .../upgrade_by_invoice--Event.list.1.json     | 164 +----
 .../upgrade_by_invoice--Event.list.2.json     |  29 +-
 .../upgrade_by_invoice--Event.list.3.json     |   2 +-
 .../upgrade_by_invoice--Invoice.create.1.json |   2 +-
 ...rade_by_invoice--InvoiceItem.create.1.json |   1 +
 ...by_invoice_to_plus_plan--Event.list.1.json |   2 +-
 ...by_invoice_to_plus_plan--Event.list.2.json |  35 +-
 ...by_invoice_to_plus_plan--Event.list.3.json |   4 +-
 ...nvoice_to_plus_plan--Invoice.create.1.json |   2 +-
 ...plus_plan--Invoice.finalize_invoice.1.json |   2 +-
 ..._invoice_to_plus_plan--Invoice.list.1.json |   2 +-
 ...y_invoice_to_plus_plan--Invoice.pay.1.json |   2 +-
 ...ce_to_plus_plan--InvoiceItem.create.1.json |   1 +
 ...ccess_plan--checkout.Session.create.1.json |  24 +-
 ..._access_plan--checkout.Session.list.1.json |  24 +-
 ...nse_counts--checkout.Session.create.1.json |  24 +-
 ...cense_counts--checkout.Session.list.1.json |  24 +-
 ...rade_pay_by_invoice--Invoice.create.1.json |   2 +-
 ...y_invoice--Invoice.finalize_invoice.1.json |   2 +-
 ...ade_pay_by_invoice--Invoice.refresh.1.json |   2 +-
 ...de_pay_by_invoice--Invoice.retrieve.1.json |   2 +-
 ..._pay_by_invoice--InvoiceItem.create.1.json |   1 +
 ...ion_during_card_upgrade--Event.list.1.json |   2 +-
 ...ion_during_card_upgrade--Event.list.2.json |  27 +-
 ...ion_during_card_upgrade--Event.list.3.json |   4 +-
 ...during_card_upgrade--Invoice.create.1.json |   2 +-
 ...ng_card_upgrade--InvoiceItem.create.1.json |   1 +
 ...rd_upgrade--checkout.Session.create.1.json |  24 +-
 ...card_upgrade--checkout.Session.list.1.json |  24 +-
 ...monthly_basic_plan--Customer.create.1.json |   4 +-
 ...monthly_basic_plan--Customer.modify.1.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.1.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.2.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.3.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.4.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.5.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.6.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.7.json |   4 +-
 ...r_to_monthly_basic_plan--Event.list.1.json |   6 +-
 ...r_to_monthly_basic_plan--Event.list.2.json | 189 ++---
 ...r_to_monthly_basic_plan--Event.list.3.json | 146 +++-
 ..._monthly_basic_plan--Invoice.create.1.json |   2 +-
 ...thly_basic_plan--InvoiceItem.create.1.json |   1 +
 ...thly_basic_plan--InvoiceItem.create.2.json |   1 +
 ...basic_plan--checkout.Session.create.1.json |  28 +-
 ...y_basic_plan--checkout.Session.list.1.json |  28 +-
 ...rice_monthly_basic_plan--Event.list.1.json |   2 +-
 ...rice_monthly_basic_plan--Event.list.2.json | 256 ++-----
 ...rice_monthly_basic_plan--Event.list.3.json | 194 ++++-
 ..._monthly_basic_plan--Invoice.create.1.json |   2 +-
 ..._monthly_basic_plan--Invoice.create.2.json |   2 +-
 ..._monthly_basic_plan--Invoice.create.3.json |   2 +-
 ...asic_plan--Invoice.finalize_invoice.1.json |   4 +-
 ...asic_plan--Invoice.finalize_invoice.2.json |   2 +-
 ...asic_plan--Invoice.finalize_invoice.3.json |   2 +-
 ...ice_monthly_basic_plan--Invoice.pay.1.json |   4 +-
 ...thly_basic_plan--InvoiceItem.create.1.json |   1 +
 ...thly_basic_plan--InvoiceItem.create.2.json |   1 +
 ...thly_basic_plan--InvoiceItem.create.3.json |   1 +
 ...basic_plan--checkout.Session.create.1.json |  21 +-
 ...y_basic_plan--checkout.Session.list.1.json |  21 +-
 ...r_to_monthly_basic_plan--Event.list.1.json |   2 +-
 ...r_to_monthly_basic_plan--Event.list.2.json |  29 +-
 ...r_to_monthly_basic_plan--Event.list.3.json |   9 +-
 ..._monthly_basic_plan--Invoice.create.1.json |   2 +-
 ...thly_basic_plan--InvoiceItem.create.1.json |   1 +
 ...thly_basic_plan--InvoiceItem.create.2.json |   1 +
 ...basic_plan--checkout.Session.create.1.json |  24 +-
 ...y_basic_plan--checkout.Session.list.1.json |  24 +-
 ...o_fixed_price_plus_plan--Event.list.1.json |   2 +-
 ...o_fixed_price_plus_plan--Event.list.2.json | 364 +++++-----
 ...o_fixed_price_plus_plan--Event.list.3.json | 180 ++++-
 ...xed_price_plus_plan--Invoice.create.1.json |   2 +-
 ...xed_price_plus_plan--Invoice.create.2.json |   2 +-
 ...plus_plan--Invoice.finalize_invoice.2.json |   2 +-
 ...price_plus_plan--InvoiceItem.create.1.json |   1 +
 ...price_plus_plan--InvoiceItem.create.2.json |   1 +
 ...ic_plan_free_trial--Customer.create.1.json |   4 +-
 ...ic_plan_free_trial--Customer.modify.1.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.1.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.2.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.3.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.4.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.5.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.6.json |   4 +-
 ..._plan_free_trial--Customer.retrieve.7.json |   4 +-
 ...o_basic_plan_free_trial--Event.list.1.json |   6 +-
 ...free_trial--checkout.Session.create.1.json |  28 +-
 ...n_free_trial--checkout.Session.list.1.json |  28 +-
 ...ree_trial_remote_server--Event.list.1.json |   2 +-
 ...ote_server--checkout.Session.create.1.json |  24 +-
 ...emote_server--checkout.Session.list.1.json |  24 +-
 ...r_to_business_plan--Customer.create.1.json |   4 +-
 ...r_to_business_plan--Customer.modify.1.json |   4 +-
 ...to_business_plan--Customer.retrieve.1.json |   4 +-
 ...to_business_plan--Customer.retrieve.2.json |   4 +-
 ...to_business_plan--Customer.retrieve.3.json |   4 +-
 ...to_business_plan--Customer.retrieve.4.json |   4 +-
 ...to_business_plan--Customer.retrieve.5.json |   4 +-
 ...to_business_plan--Customer.retrieve.6.json |   4 +-
 ...to_business_plan--Customer.retrieve.7.json |   4 +-
 ...e_user_to_business_plan--Event.list.1.json |   6 +-
 ...e_user_to_business_plan--Event.list.2.json |  31 +-
 ...e_user_to_business_plan--Event.list.3.json |   9 +-
 ...er_to_business_plan--Invoice.create.1.json |   2 +-
 ...o_business_plan--InvoiceItem.create.1.json |   1 +
 ...o_business_plan--InvoiceItem.create.2.json |   1 +
 ...iness_plan--checkout.Session.create.1.json |  28 +-
 ...usiness_plan--checkout.Session.list.1.json |  28 +-
 ...monthly_basic_plan--Customer.create.1.json |   4 +-
 ...monthly_basic_plan--Customer.modify.1.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.1.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.2.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.3.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.4.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.5.json |   4 +-
 ...nthly_basic_plan--Customer.retrieve.6.json |   4 +-
 ...rice_monthly_basic_plan--Event.list.1.json |   6 +-
 ...rice_monthly_basic_plan--Event.list.2.json |  37 +-
 ...rice_monthly_basic_plan--Event.list.3.json |   4 +-
 ..._monthly_basic_plan--Invoice.create.1.json |   2 +-
 ...thly_basic_plan--InvoiceItem.create.1.json |   1 +
 ...basic_plan--checkout.Session.create.1.json |  28 +-
 ...y_basic_plan--checkout.Session.list.1.json |  28 +-
 ..._exception--checkout.Session.create.1.json |  24 +-
 ...ht_exception--checkout.Session.list.1.json |  24 +-
 ..._manual_plan_management--Event.list.1.json |   4 +-
 ..._manual_plan_management--Event.list.2.json |  35 +-
 ..._manual_plan_management--Event.list.3.json |   4 +-
 ...ual_plan_management--Invoice.create.1.json |   2 +-
 ...anagement--Invoice.finalize_invoice.1.json |   2 +-
 ...manual_plan_management--Invoice.pay.1.json |   2 +-
 ...plan_management--InvoiceItem.create.1.json |   1 +
 ...d_all_open_invoices--Invoice.create.1.json |   2 +-
 ...d_all_open_invoices--Invoice.create.2.json |   2 +-
 ...l_open_invoices--InvoiceItem.create.1.json |   1 +
 ...l_open_invoices--InvoiceItem.create.2.json |   1 +
 uv.lock                                       |   6 +-
 version.py                                    |   2 +-
 746 files changed, 7726 insertions(+), 4712 deletions(-)
 delete mode 100644 corporate/tests/stripe_fixtures/payment_method_string--Event.list.4.json
 delete mode 100644 corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.5.json

diff --git a/corporate/lib/stripe.py b/corporate/lib/stripe.py
index a01f0f5953..47c5a4e842 100644
--- a/corporate/lib/stripe.py
+++ b/corporate/lib/stripe.py
@@ -102,7 +102,7 @@ CARD_CAPITALIZATION = {
 }
 
 # The version of Stripe API the billing system supports.
-STRIPE_API_VERSION = "2025-04-30.basil"
+STRIPE_API_VERSION = "2025-09-30.clover"
 
 stripe.api_version = STRIPE_API_VERSION
 
@@ -777,7 +777,7 @@ class BillingSession(ABC):
         assert customer is not None and customer.stripe_customer_id is not None
 
         # Check if customer has any $0 invoices.
-        list_params = stripe.Invoice.ListParams(
+        list_params = stripe.params.InvoiceListParams(
             customer=customer.stripe_customer_id,
             limit=1,
             status="paid",
@@ -854,7 +854,7 @@ class BillingSession(ABC):
         plan_tier: int,
         billing_schedule: int,
         charge_automatically: bool,
-        invoice_period: stripe.InvoiceItem.CreateParamsPeriod,
+        invoice_period: stripe.params.InvoiceItemCreateParamsPeriod,
         license_management: str | None = None,
         days_until_due: int | None = None,
         on_free_trial: bool = False,
@@ -892,7 +892,7 @@ class BillingSession(ABC):
         # If automatic charge fails, we simply void the invoice.
         # https://stripe.com/docs/invoicing/integration/automatic-advancement-collection
         auto_advance = not charge_automatically
-        invoice_params = stripe.Invoice.CreateParams(
+        invoice_params = stripe.params.InvoiceCreateParams(
             auto_advance=auto_advance,
             collection_method=collection_method,
             customer=customer.stripe_customer_id,
@@ -3249,12 +3249,12 @@ class BillingSession(ABC):
             need_to_invoice = False
 
             # Track if we added renewal invoice item which is possibly eligible for discount.
-            renewal_invoice_period: stripe.InvoiceItem.CreateParamsPeriod | None = None
+            renewal_invoice_period: stripe.params.InvoiceItemCreateParamsPeriod | None = None
             for ledger_entry in LicenseLedger.objects.filter(
                 plan=plan, id__gt=invoiced_through_id, event_time__lte=event_time
             ).order_by("id"):
                 # InvoiceItem variables.
-                invoice_item_params = stripe.InvoiceItem.CreateParams(
+                invoice_item_params = stripe.params.InvoiceItemCreateParams(
                     customer=plan.customer.stripe_customer_id
                 )
 
@@ -3312,7 +3312,7 @@ class BillingSession(ABC):
                     else:
                         collection_method = "send_invoice"
                         days_until_due = DEFAULT_INVOICE_DAYS_UNTIL_DUE
-                    invoice_params = stripe.Invoice.CreateParams(
+                    invoice_params = stripe.params.InvoiceCreateParams(
                         auto_advance=True,
                         collection_method=collection_method,
                         customer=plan.customer.stripe_customer_id,
@@ -3323,7 +3323,7 @@ class BillingSession(ABC):
                     stripe_invoice = stripe.Invoice.create(**invoice_params)
 
                 if invoice_item_params.get("description") is not None:
-                    invoice_period = stripe.InvoiceItem.CreateParamsPeriod(
+                    invoice_period = stripe.params.InvoiceItemCreateParamsPeriod(
                         start=datetime_to_timestamp(ledger_entry.event_time),
                         end=datetime_to_timestamp(
                             get_plan_renewal_or_end_date(plan, ledger_entry.event_time)
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--Charge.list.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--Charge.list.1.json
index e7046eeb4e..5b1a7c43d4 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 100000,
-          "authorization_code": null,
+          "authorization_code": "082087",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.1.json
index 1106ba28c3..195220b712 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.2.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.2.json
index bb1cbbf678..b05ae09bf7 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "add_minimum_licenses--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "add_minimum_licenses--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "add_minimum_licenses--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "add_minimum_licenses--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "add_minimum_licenses--Charge.list.1.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 100000,
-              "authorization_code": null,
+              "authorization_code": "082087",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "add_minimum_licenses--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "add_minimum_licenses--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "add_minimum_licenses--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 100000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "add_minimum_licenses--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.3.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.3.json
index 9aa0707d3f..183d0c355f 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--Invoice.create.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--Invoice.create.1.json
index 87a1bad3a6..a72c8f6ee6 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--InvoiceItem.create.1.json
index c7c9b5aefb..748ed07c48 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 100000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.create.1.json
index 8164b55279..6e88ed18a5 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.list.1.json
index a5d2a1009c..fbc2656953 100644
--- a/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/add_minimum_licenses--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.1.json
index c0c642fc52..ecbbe0d932 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 7200,
-          "authorization_code": null,
+          "authorization_code": "119016",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.2.json
index 91b4b73e31..41b9349942 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Charge.list.2.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 36000,
-          "authorization_code": null,
+          "authorization_code": "062836",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
@@ -170,7 +170,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 7200,
-          "authorization_code": null,
+          "authorization_code": "119016",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.1.json
index 28708a521d..c2c2844144 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.2.json
index 3e6d2608e9..c38e560139 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "attach_discount_to_realm--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "attach_discount_to_realm--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "attach_discount_to_realm--Charge.list.1.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 7200,
-              "authorization_code": null,
+              "authorization_code": "119016",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "attach_discount_to_realm--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "attach_discount_to_realm--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "attach_discount_to_realm--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 7200,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "attach_discount_to_realm--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.3.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.3.json
index 582e72844e..49bea9a6d3 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.5.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.5.json
index 18ed6593b1..9ac7bb1d04 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.5.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.5.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.6.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.6.json
index 1b9714843b..dba457fbb6 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.6.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.6.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -162,7 +162,7 @@
       "id": "attach_discount_to_realm--Event.list.6.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "attach_discount_to_realm--Event.list.6.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -170,7 +170,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -341,7 +341,7 @@
       "id": "attach_discount_to_realm--Event.list.6.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "attach_discount_to_realm--Event.list.6.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -349,7 +349,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -371,6 +371,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "attach_discount_to_realm--Event.list.6.json",
           "last_payment_error": null,
           "latest_charge": "attach_discount_to_realm--Charge.list.2.json",
@@ -420,7 +421,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -481,7 +482,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 36000,
-              "authorization_code": null,
+              "authorization_code": "062836",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -547,7 +548,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -716,7 +717,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -901,7 +902,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -923,6 +924,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "attach_discount_to_realm--Event.list.6.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -972,7 +974,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1153,7 +1155,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1168,6 +1170,7 @@
           "invoice": "attach_discount_to_realm--Event.list.6.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 36000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1199,7 +1202,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1313,7 +1316,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "attach_discount_to_realm--Event.list.6.json",
@@ -1327,7 +1330,7 @@
       "type": "invoice.created"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.7.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.7.json
index ce78c33e21..399e09bc7d 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.7.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Event.list.7.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.1.json
index 6b3e41d291..1209476c16 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.2.json
index 8639b80a3d..a931639389 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.2.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.3.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.3.json
index 7f04015042..cc8d44a40e 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.1.json
index 40c42107e5..c8c5448a45 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 7200,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.2.json
index a2d79e7aac..bf00ecb74e 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 36000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.3.json
index 5431228e95..d54032e577 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.1.json
index 22d4f05f27..7297cfb1f4 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.2.json
index 67368792a3..691d5f5fca 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.create.2.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.1.json
index 2f90535377..d0e9b9e429 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.2.json b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.2.json
index 8879453e97..a67586b33e 100644
--- a/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.2.json
+++ b/corporate/tests/stripe_fixtures/attach_discount_to_realm--checkout.Session.list.2.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.1.json b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.1.json
index 883e52659e..0a5e0025a3 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.2.json b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.2.json
index 950129a102..f058285252 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "billing_page_permissions--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "billing_page_permissions--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "billing_page_permissions--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "billing_page_permissions--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "billing_page_permissions--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "840154",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -370,7 +371,7 @@
       "id": "billing_page_permissions--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "billing_page_permissions--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "billing_page_permissions--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "billing_page_permissions--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +960,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "billing_page_permissions--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "billing_page_permissions--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.3.json b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.3.json
index 08052d52d8..fee040cef8 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--Invoice.create.1.json b/corporate/tests/stripe_fixtures/billing_page_permissions--Invoice.create.1.json
index 0e020e933b..a100590dae 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/billing_page_permissions--InvoiceItem.create.1.json
index 40c3d12b11..d152628060 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.create.1.json
index cbcc2fddb9..2adb93692a 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "desdemona@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.list.1.json
index 5e56eac0ea..a4235d5084 100644
--- a/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/billing_page_permissions--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "desdemona@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--Event.list.1.json b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--Event.list.1.json
index 37d4178fbf..dc9e864731 100644
--- a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 48000,
+          "amount_requested": 48000,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "cancel_downgrade_at_end_of_free_trial--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "cancel_downgrade_at_end_of_free_trial--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "cancel_downgrade_at_end_of_free_trial--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.create.1.json
index 4638a86eb3..4cf53bcc42 100644
--- a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.list.1.json
index ccf776bb71..a22ad2b56f 100644
--- a/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/cancel_downgrade_at_end_of_free_trial--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Event.list.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Event.list.1.json
index a2b26612fe..38da9fbb38 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.create.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.create.1.json
index ac14cc1121..be64938c82 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.pay.1.json
index 47841202eb..17e19a3bbb 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--Invoice.pay.1.json
@@ -8,6 +8,7 @@
     "decline_code": "generic_decline",
     "doc_url": "https://stripe.com/docs/error-codes/card-declined",
     "message": "Your card was declined.",
+    "network_decline_code": "01",
     "param": null,
     "payment_intent": {
       "amount": 48000,
@@ -28,6 +29,7 @@
       "currency": "usd",
       "customer": "cus_NORMALIZED",
       "description": "Payment for Invoice",
+      "excluded_payment_method_types": null,
       "id": "card_attached_to_customer_but_payment_fails--Invoice.pay.1.json",
       "last_payment_error": {
         "advice_code": "try_again_later",
@@ -36,6 +38,7 @@
         "decline_code": "generic_decline",
         "doc_url": "https://stripe.com/docs/error-codes/card-declined",
         "message": "Your card was declined.",
+        "network_decline_code": "01",
         "payment_method": {
           "allow_redisplay": "unspecified",
           "billing_details": {
@@ -175,7 +178,7 @@
       "object": "payment_method",
       "type": "card"
     },
-    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899180",
+    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913616",
     "setup_intent": null,
     "source": null,
     "type": "card_error"
@@ -188,23 +191,23 @@
     "Access-Control-Max-Age": "300",
     "Cache-Control": "no-cache, no-store",
     "Connection": "keep-alive",
-    "Content-Length": "5309",
-    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=TukYFDLV2lHfmYsKO8QKy1Rs8CFOE-Ik92j0oi7ZNOKjRVL1NdvjDcjXu7lLN5teYlBHlKnXeBBeKYy1",
+    "Content-Length": "5394",
+    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=irAykxLghuCmgqrIXf-pM0galma1w0YXzU99WaktruwmWPN8iPfQgKGBqdAaBd-GGagPQijh3O5rblPQ",
     "Content-Type": "application/json",
     "Date": "NORMALIZED DATETIME",
-    "Idempotency-Key": "1fa7f874-a11d-4037-8138-8376033b630c",
+    "Idempotency-Key": "038fe7d4-6476-4c9f-9ae3-65780db13c1a",
     "Original-Request": "req_NORMALIZED",
     "Request-Id": "req_NORMALIZED",
     "Server": "nginx",
     "Strict-Transport-Security": "max-age=63072000; includeSubDomains; preload",
     "Stripe-Should-Retry": "false",
-    "Stripe-Version": "2025-04-30.basil",
+    "Stripe-Version": "2025-09-30.clover",
     "Vary": "Origin",
     "X-Stripe-Priority-Routing-Enabled": "true",
     "X-Stripe-Routing-Context-Priority-Tier": "api-testmode",
-    "X-Wc": "ABGHI"
+    "X-Wc": "ABGHIJ"
   },
-  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"charge\": \"ch_NORMALIZED\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"payment_intent\": {\n      \"id\": \"card_attached_to_customer_but_payment_fails--Invoice.pay.1.json\",\n      \"object\": \"payment_intent\",\n      \"amount\": 48000,\n      \"amount_capturable\": 0,\n      \"amount_details\": {\n        \"tip\": {\n        }\n      },\n      \"amount_received\": 0,\n      \"application\": null,\n      \"application_fee_amount\": null,\n      \"automatic_payment_methods\": null,\n      \"canceled_at\": null,\n      \"cancellation_reason\": null,\n      \"capture_method\": \"automatic\",\n      \"client_secret\": \"card_attached_to_customer_but_payment_fails--Invoice.pay.1.json_secret_G3EUmoq04HcLKw0N7NRThkD06\",\n      \"confirmation_method\": \"automatic\",\n      \"created\": 1000000000,\n      \"currency\": \"usd\",\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": \"Payment for Invoice\",\n      \"last_payment_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"charge\": \"ch_NORMALIZED\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"payment_method\": {\n          \"id\": \"card_attached_to_customer_but_payment_fails--Customer.retrieve.1.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 5,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0341\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": \"cus_NORMALIZED\",\n          \"livemode\": false,\n          \"metadata\": {\n          },\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_charge\": \"ch_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {\n      },\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"installments\": null,\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        },\n        \"link\": {\n          \"persistent_token\": null\n        }\n      },\n      \"payment_method_types\": [\n        \"card\",\n        \"link\"\n      ],\n      \"processing\": null,\n      \"receipt_email\": \"hamlet@zulip.com\",\n      \"review\": null,\n      \"setup_future_usage\": null,\n      \"shipping\": null,\n      \"source\": null,\n      \"statement_descriptor\": \"Zulip Cloud Standard\",\n      \"statement_descriptor_suffix\": null,\n      \"status\": \"requires_payment_method\",\n      \"transfer_data\": null,\n      \"transfer_group\": null\n    },\n    \"payment_method\": {\n      \"id\": \"card_attached_to_customer_but_payment_fails--Customer.retrieve.1.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 5,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0341\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {\n      },\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899180\",\n    \"type\": \"card_error\"\n  }\n}\n",
+  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"charge\": \"ch_NORMALIZED\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"network_decline_code\": \"01\",\n    \"payment_intent\": {\n      \"id\": \"card_attached_to_customer_but_payment_fails--Invoice.pay.1.json\",\n      \"object\": \"payment_intent\",\n      \"amount\": 48000,\n      \"amount_capturable\": 0,\n      \"amount_details\": {\n        \"tip\": {}\n      },\n      \"amount_received\": 0,\n      \"application\": null,\n      \"application_fee_amount\": null,\n      \"automatic_payment_methods\": null,\n      \"canceled_at\": null,\n      \"cancellation_reason\": null,\n      \"capture_method\": \"automatic\",\n      \"client_secret\": \"card_attached_to_customer_but_payment_fails--Invoice.pay.1.json_secret_LfzkMlKx921LSChr94gZnpAuj\",\n      \"confirmation_method\": \"automatic\",\n      \"created\": 1000000000,\n      \"currency\": \"usd\",\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": \"Payment for Invoice\",\n      \"excluded_payment_method_types\": null,\n      \"last_payment_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"charge\": \"ch_NORMALIZED\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"network_decline_code\": \"01\",\n        \"payment_method\": {\n          \"id\": \"card_attached_to_customer_but_payment_fails--Customer.retrieve.1.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 10,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0341\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": \"cus_NORMALIZED\",\n          \"livemode\": false,\n          \"metadata\": {},\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_charge\": \"ch_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {},\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"installments\": null,\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        },\n        \"link\": {\n          \"persistent_token\": null\n        }\n      },\n      \"payment_method_types\": [\n        \"card\",\n        \"link\"\n      ],\n      \"processing\": null,\n      \"receipt_email\": \"hamlet@zulip.com\",\n      \"review\": null,\n      \"setup_future_usage\": null,\n      \"shipping\": null,\n      \"source\": null,\n      \"statement_descriptor\": \"Zulip Cloud Standard\",\n      \"statement_descriptor_suffix\": null,\n      \"status\": \"requires_payment_method\",\n      \"transfer_data\": null,\n      \"transfer_group\": null\n    },\n    \"payment_method\": {\n      \"id\": \"card_attached_to_customer_but_payment_fails--Customer.retrieve.1.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 10,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0341\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {},\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913616\",\n    \"type\": \"card_error\"\n  }\n}\n",
   "http_status": 402,
   "json_body": {
     "error": {
@@ -214,6 +217,7 @@
       "decline_code": "generic_decline",
       "doc_url": "https://stripe.com/docs/error-codes/card-declined",
       "message": "Your card was declined.",
+      "network_decline_code": "01",
       "payment_intent": {
         "amount": 48000,
         "amount_capturable": 0,
@@ -233,6 +237,7 @@
         "currency": "usd",
         "customer": "cus_NORMALIZED",
         "description": "Payment for Invoice",
+        "excluded_payment_method_types": null,
         "id": "card_attached_to_customer_but_payment_fails--Invoice.pay.1.json",
         "last_payment_error": {
           "advice_code": "try_again_later",
@@ -241,6 +246,7 @@
           "decline_code": "generic_decline",
           "doc_url": "https://stripe.com/docs/error-codes/card-declined",
           "message": "Your card was declined.",
+          "network_decline_code": "01",
           "payment_method": {
             "allow_redisplay": "unspecified",
             "billing_details": {
@@ -380,7 +386,7 @@
         "object": "payment_method",
         "type": "card"
       },
-      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899180",
+      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913616",
       "type": "card_error"
     }
   },
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--InvoiceItem.create.1.json
index f898d1d1b0..96d8dd5d82 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.create.1.json
index 71ed07bf04..0f0bdd6640 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.list.1.json
index 1075c96488..c6c07ad798 100644
--- a/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/card_attached_to_customer_but_payment_fails--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.create.1.json b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.create.1.json
index 27682827c4..c177b8b1e4 100644
--- a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.finalize_invoice.1.json
index 65fbc4de65..74210ad688 100644
--- a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.finalize_invoice.1.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 12000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.list.1.json b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.list.1.json
index 0f05caf094..7311a8e47e 100644
--- a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.list.1.json
+++ b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--Invoice.list.1.json
@@ -144,7 +144,7 @@
       "total_excluding_tax": 12000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--InvoiceItem.create.1.json
index e702bf3928..68b24d6c78 100644
--- a/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/change_plan_tier_from_standard_to_plus--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 12000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.1.json
index 65c4a695d4..07cee85559 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.2.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.2.json
index 93422aaa03..ea31f4bbdc 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.2.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.2.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.3.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.3.json
index e9333ab3fc..cdf399314c 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.3.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.3.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.4.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.4.json
index c836dd4800..5e5c59feb0 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.4.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.4.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.5.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.5.json
index e0cdb49b05..1a48c62908 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.5.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.5.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.6.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.6.json
index 6c2b1a7b8b..969e3fff48 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.6.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.6.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.7.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.7.json
index 48dd566f9d..0a443ace15 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.7.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.7.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.8.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.8.json
index 29b5a15660..d6ef0c872b 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.8.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.8.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.9.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.9.json
index 1e66fc72fb..ead534ded6 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.9.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.create.9.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.1.json
index 4156adccd8..020166657e 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.2.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.2.json
index a697c57205..4a00add78f 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.2.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.2.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.3.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.3.json
index 1a1acb3543..f1395499da 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.3.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.3.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.4.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.4.json
index 4c1dc9d08d..6a95ca37be 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.4.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.4.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.5.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.5.json
index 1791e33b87..4bde8af439 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.5.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.5.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.6.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.6.json
index 5c2cf74422..b7de2c3990 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.6.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.6.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.7.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.7.json
index 6db3a53853..0da3986565 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.7.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.7.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.8.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.8.json
index 7039dd1edc..b3d4a67c6d 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.8.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.8.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.9.json b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.9.json
index a49227c28d..50cf6ed4b5 100644
--- a/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.9.json
+++ b/corporate/tests/stripe_fixtures/check_upgrade_parameters--checkout.Session.list.9.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.1.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.1.json
index 0dcf28b94c..9d1654ee7a 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.2.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.2.json
index 7823476606..106688f863 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "customer_has_credit_card_as_default_payment_method--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "283515",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "customer_has_credit_card_as_default_payment_method--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "customer_has_credit_card_as_default_payment_method--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.3.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.3.json
index b172562035..db950e91e4 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Invoice.create.1.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Invoice.create.1.json
index 577e3715a0..f5c018a90f 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--InvoiceItem.create.1.json
index 0c69e4f46b..135a6b9e28 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.create.1.json
index 97833ec91f..a527c91f06 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "iago@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.list.1.json
index 3386b9a636..9ea5685afd 100644
--- a/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/customer_has_credit_card_as_default_payment_method--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "iago@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.1.json
index 76945efefd..4053e082b5 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.2.json
index 6035e548e0..5c95e6ff9d 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "customer_minimum_licenses_for_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "customer_minimum_licenses_for_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "customer_minimum_licenses_for_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "customer_minimum_licenses_for_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "customer_minimum_licenses_for_plan--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 72000,
-              "authorization_code": null,
+              "authorization_code": "084938",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "customer_minimum_licenses_for_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "customer_minimum_licenses_for_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "customer_minimum_licenses_for_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 72000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "customer_minimum_licenses_for_plan--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.3.json
index fb3bfa6358..df7e247572 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Event.list.3.json
@@ -1,7 +1,42 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 48000,
+          "amount_requested": 48000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "customer_minimum_licenses_for_plan--Event.list.3.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "customer_minimum_licenses_for_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +205,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.1.json
index 04bf5e08e1..65daa945f5 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.2.json
index c193e01c0b..ecdae8f47d 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.1.json
index 6f37f9dbfe..ff4cefb394 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 72000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.2.json
index 86e8270e6d..89ffa8735c 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 72000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.create.1.json
index 6b691c9d6d..fb65321db2 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.list.1.json
index cc0eceaa46..8f5c75c23c 100644
--- a/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/customer_minimum_licenses_for_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--Event.list.1.json b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--Event.list.1.json
index 03448ad45d..f61947595d 100644
--- a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.create.1.json
index 39ab0ec83d..c9ce6e6308 100644
--- a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.list.1.json
index f0bf9703c8..12f0cbfd4b 100644
--- a/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_at_end_of_free_trial--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.1.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.1.json
index 6a9f7ca0bf..d3fab9d0d6 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.1.json
@@ -1,154 +1,28 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 24000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 24000,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
+          "amount_paid": 100000,
+          "amount_requested": 100000,
           "created": 1000000000,
           "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
           "id": "downgrade_realm_and_void_open_invoices--Event.list.1.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 24000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard - renewal",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "downgrade_realm_and_void_open_invoices--Event.list.1.json",
-                "invoice": "downgrade_realm_and_void_open_invoices--Event.list.1.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1388631845,
-                  "start": 1357095845
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "4000"
-                },
-                "quantity": 6,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/downgrade_realm_and_void_open_invoices--Event.list.1.json/lines"
-          },
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": 1000000000,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
+          "status": "paid",
           "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 24000,
-          "subtotal_excluding_tax": 24000,
-          "test_clock": null,
-          "total": 24000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 24000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
         }
       },
       "id": "downgrade_realm_and_void_open_invoices--Event.list.1.json",
@@ -156,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "downgrade_realm_and_void_open_invoices--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "invoice.finalized"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.2.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.2.json
index 3bf7953858..346324b8d3 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "downgrade_realm_and_void_open_invoices--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "downgrade_realm_and_void_open_invoices--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +251,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -419,7 +420,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -605,7 +606,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +628,7 @@
           "currency": "usd",
           "customer": "downgrade_realm_and_void_open_invoices--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "downgrade_realm_and_void_open_invoices--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +678,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -857,7 +859,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +874,7 @@
           "invoice": "downgrade_realm_and_void_open_invoices--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +906,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +1020,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "downgrade_realm_and_void_open_invoices--Event.list.2.json",
@@ -1031,7 +1034,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +1084,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.3.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.3.json
index 1262192284..45c1d71d3c 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.1.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.1.json
index 454a9c4a23..72bc9a9e9c 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.2.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.2.json
index eb8d3a6472..75045dd0bc 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.1.json
index 6e058fd7f9..b949528358 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.2.json
index 56e605f132..ab7cb1336c 100644
--- a/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/downgrade_realm_and_void_open_invoices--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.1.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.1.json
index fc86131fff..db36d210b3 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.2.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.2.json
index b2e073c299..054d173596 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.3.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.3.json
index 6f02327f49..615f91b657 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.4.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.4.json
index ca4f09c59d..2d6e936613 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.4.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.4.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.5.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.5.json
index 04c0d057b2..a0696dd0fb 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.5.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.5.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.6.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.6.json
index 4ab45c97c4..5359bba7e5 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.6.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.6.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.7.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.7.json
index 40b45ae9fc..33223eaf39 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.7.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.7.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.8.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.8.json
index 17eef77204..4063600f3a 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.8.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.create.8.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.3.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.3.json
index 7146b4e8ab..0ac80f260f 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.3.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.3.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.8.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.8.json
index e1bf13b20e..fc4dfcd49d 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.8.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.finalize_invoice.8.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.15.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.15.json
index a1bbaabc87..c81adf9d67 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.15.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.15.json
@@ -144,7 +144,7 @@
       "total_excluding_tax": 10000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     },
     {
       "account_country": "US",
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.7.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.7.json
index f21dff70c8..2bd6778f1b 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.7.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.7.json
@@ -290,7 +290,7 @@
       "total_excluding_tax": 10000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.8.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.8.json
index f21dff70c8..2bd6778f1b 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.8.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.list.8.json
@@ -290,7 +290,7 @@
       "total_excluding_tax": 10000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.void_invoice.3.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.void_invoice.3.json
index b6487a3b3a..f0d4425527 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.void_invoice.3.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--Invoice.void_invoice.3.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.1.json
index 63c0a11ab3..db67521ee8 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.2.json
index 7321def7a9..ce881adbca 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.3.json
index 145f9a1ed2..54270f2053 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.4.json
index d329051953..86c4632d73 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.5.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.5.json
index 4060979c3d..c1e301a4df 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.5.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.5.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.6.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.6.json
index 60e5ae9f34..1891db018f 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.6.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.6.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.7.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.7.json
index d5d89d135d..2c625a81b6 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.7.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.7.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.8.json b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.8.json
index ef7c479836..2bbedc70bd 100644
--- a/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.8.json
+++ b/corporate/tests/stripe_fixtures/downgrade_small_realms_behind_on_payments_as_needed--InvoiceItem.create.8.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/end_free_trial--Event.list.1.json b/corporate/tests/stripe_fixtures/end_free_trial--Event.list.1.json
index e11679c2bb..1d39d2506f 100644
--- a/corporate/tests/stripe_fixtures/end_free_trial--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/end_free_trial--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 72000,
+          "amount_requested": 72000,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "end_free_trial--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "end_free_trial--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "end_free_trial--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.create.1.json
index 5aec90ac27..75f17c368a 100644
--- a/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.list.1.json
index 9cc5a856c7..33a40b2640 100644
--- a/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/end_free_trial--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.1.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.1.json
index 17b87572fd..114ecc2a4a 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.1.json
@@ -1,95 +1,21 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "adaptive_pricing": null,
-          "after_expiration": null,
-          "allow_promotion_codes": null,
-          "amount_subtotal": null,
-          "amount_total": null,
-          "automatic_tax": {
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "billing_address_collection": "required",
-          "cancel_url": "http://annual-free.zulipdev.com:9991/billing/",
-          "client_reference_id": null,
-          "client_secret": null,
-          "collected_information": {
-            "shipping_details": null
-          },
-          "consent": null,
-          "consent_collection": null,
+          "configuration": "bpc_NORMALIZED",
           "created": 1000000000,
-          "currency": null,
-          "currency_conversion": null,
-          "custom_fields": [],
-          "custom_text": {
-            "after_submit": null,
-            "shipping_address": null,
-            "submit": null,
-            "terms_of_service_acceptance": null
-          },
           "customer": "cus_NORMALIZED",
-          "customer_creation": null,
-          "customer_details": {
-            "address": null,
-            "email": "limited-plan-admin@zulip.com",
-            "name": null,
-            "phone": null,
-            "tax_exempt": null,
-            "tax_ids": null
-          },
-          "customer_email": null,
-          "discounts": null,
-          "expires_at": 1000000000,
+          "flow": null,
           "id": "fixed_price_plans--Event.list.1.json",
-          "invoice": null,
-          "invoice_creation": null,
           "livemode": false,
           "locale": null,
-          "metadata": {
-            "type": "card_update",
-            "user_id": "25"
-          },
-          "mode": "setup",
-          "object": "checkout.session",
-          "payment_intent": null,
-          "payment_link": null,
-          "payment_method_collection": "always",
-          "payment_method_configuration_details": null,
-          "payment_method_options": {
-            "card": {
-              "request_three_d_secure": "automatic"
-            }
-          },
-          "payment_method_types": [
-            "card"
-          ],
-          "payment_status": "no_payment_required",
-          "permissions": null,
-          "phone_number_collection": {
-            "enabled": false
-          },
-          "recovered_from": null,
-          "saved_payment_method_options": null,
-          "setup_intent": "seti_NORMALIZED",
-          "shipping_address_collection": null,
-          "shipping_cost": null,
-          "shipping_options": [],
-          "status": "expired",
-          "submit_type": null,
-          "subscription": null,
-          "success_url": "http://annual-free.zulipdev.com:9991/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
-          "total_details": null,
-          "ui_mode": "hosted",
-          "url": null,
-          "wallet_options": null
+          "object": "billing_portal.session",
+          "on_behalf_of": null,
+          "return_url": "http://asdfsdaf.zulipdev.com:9991/billing/",
+          "url": "https://billing.stripe.com/p/session/test_NORMALIZED"
         }
       },
       "id": "fixed_price_plans--Event.list.1.json",
@@ -97,10 +23,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": null,
-        "idempotency_key": null
+        "id": "fixed_price_plans--Event.list.1.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
-      "type": "checkout.session.expired"
+      "type": "billing_portal.session.created"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.2.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.2.json
index fe7e0254c4..1eb70f1a8c 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -171,7 +171,7 @@
       "id": "fixed_price_plans--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "fixed_price_plans--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "fixed_price_plans--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "fixed_price_plans--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +251,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -419,7 +420,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -605,7 +606,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +628,7 @@
           "currency": "usd",
           "customer": "fixed_price_plans--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "fixed_price_plans--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +678,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +833,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +859,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +874,7 @@
           "invoice": "fixed_price_plans--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +906,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +1020,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "fixed_price_plans--Event.list.2.json",
@@ -1031,7 +1034,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +1084,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.3.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.3.json
index 616bf89bab..f92dc67fb0 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.1.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.1.json
index 514175f964..16041c048c 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.2.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.2.json
index 4150999020..48697f9b61 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.finalize_invoice.2.json
index 3fb3367ddc..dd0a41cc43 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.finalize_invoice.2.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 100,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.list.1.json b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.list.1.json
index 0a1061a16f..9fef97916d 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.list.1.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--Invoice.list.1.json
@@ -144,7 +144,7 @@
       "total_excluding_tax": 100,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     },
     {
       "account_country": "US",
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.1.json
index e4d957d4e1..437ad1e85e 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.2.json
index 5cda97d9c8..250a793da6 100644
--- a/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/fixed_price_plans--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 100,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.1.json
index 4dd6e586bf..ddf960c8cf 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 1850,
+          "amount_requested": 1850,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "demo.example.com 6cde5f7a-1f7",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "free_trial_not_available_for_complimentary_access_customer--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "remote_server_str": "demo.example.com 6cde5f7a-1f7",
-            "remote_server_uuid": "6cde5f7a-1f7e-4978-9716-49f69ebfc9fe"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.2.json
index 571a8aee54..f1d7d0209f 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4300,
-              "authorization_code": null,
+              "authorization_code": "077681",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "free_trial_not_available_for_complimentary_access_customer--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "free_trial_not_available_for_complimentary_access_customer--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 6300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "free_trial_not_available_for_complimentary_access_customer--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 6300,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.3.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.3.json
index 094eea88d3..62fe516f4b 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Event.list.3.json
@@ -1,7 +1,42 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 10000,
+          "amount_requested": 10000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.3.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +244,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +452,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +670,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +692,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_not_available_for_complimentary_access_customer--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Invoice.create.1.json
index 933a600b2c..ebb460c6ba 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.1.json
index ea67b12db7..935921a9af 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6300,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.2.json
index e473c0fdcd..0227ccb166 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.create.1.json
index 79d5896c2b..8024cf23c8 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.list.1.json
index 1681121717..75c553739a 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_complimentary_access_customer--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.1.json
index c3a34c9400..e29d2bcc1b 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json
index 72b3def1ef..bc5d72e33f 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4300,
-              "authorization_code": null,
+              "authorization_code": "414234",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -120,7 +120,7 @@
       "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -322,7 +322,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -530,7 +530,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "free_trial_not_available_for_previous_complimentary_access_customer--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -825,7 +826,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 6300,
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 6300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 6300,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json
index 124d4b8ec7..695f128f80 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -195,7 +195,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json",
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -403,7 +403,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.3.json",
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -611,7 +611,7 @@
           "total_excluding_tax": 4300,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_not_available_for_previous_complimentary_access_customer--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.create.1.json
index fd1d125467..605156c071 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.finalize_invoice.1.json
index faf33c6092..8694f8f4bd 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.finalize_invoice.1.json
@@ -189,5 +189,5 @@
   "total_excluding_tax": 4300,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.pay.1.json
index 33a7a1702f..9d489daeaa 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--Invoice.pay.1.json
@@ -189,5 +189,5 @@
   "total_excluding_tax": 4300,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.1.json
index 3a464fa4c5..f145729488 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6300,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.2.json
index f8229429f9..9f69a4edc4 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.create.1.json
index 1c9fe14420..81ccd3b134 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.list.1.json
index 36c6ede3ed..a47f783560 100644
--- a/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_not_available_for_previous_complimentary_access_customer--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.1.json
index 83d7bea4e7..e98ed66c58 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 72000,
+          "amount_requested": 72000,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
+          "currency": "usd",
           "id": "free_trial_upgrade_by_card--Event.list.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "free_trial_upgrade_by_card--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.2.json
index 7702cc2c21..3a0fe4b880 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.1.json
index 46b631a088..a35f59c355 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.2.json
index 29c97d5b64..ce00e9e4fc 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.3.json
index cb3e2dd807..b5a544579b 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.finalize_invoice.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.finalize_invoice.3.json
index 982410b944..5f4bbb47db 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.finalize_invoice.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.finalize_invoice.3.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 152000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.list.7.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.list.7.json
index e34c4bac70..248daffe9f 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.list.7.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--Invoice.list.7.json
@@ -144,7 +144,7 @@
       "total_excluding_tax": 152000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     },
     {
       "account_country": "US",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.1.json
index 2f0ef7fdf4..e42be15ba4 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.2.json
index ea60f0d4eb..a31b96e994 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 5172,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.3.json
index a68f35b4d9..7f12e36c58 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 152000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.create.1.json
index 020154d677..8ba59712ed 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.list.1.json
index 309e5b5559..26e208fa00 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_card--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.1.json
index 92ab8dddb8..49a5c5aa4b 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.1.json
@@ -1,22 +1,22 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
           "account_country": "US",
           "account_name": "NORMALIZED",
           "account_tax_ids": null,
-          "amount_due": 984000,
+          "amount_due": 152000,
           "amount_overpaid": 0,
-          "amount_paid": 984000,
-          "amount_remaining": 0,
+          "amount_paid": 0,
+          "amount_remaining": 152000,
           "amount_shipping": 0,
           "application": null,
           "attempt_count": 0,
           "attempted": false,
-          "auto_advance": false,
+          "auto_advance": true,
           "automatic_tax": {
             "disabled_reason": null,
             "enabled": false,
@@ -26,7 +26,7 @@
           },
           "automatically_finalizes_at": null,
           "billing_reason": "manual",
-          "collection_method": "send_invoice",
+          "collection_method": "charge_automatically",
           "created": 1000000000,
           "currency": "usd",
           "custom_fields": null,
@@ -43,7 +43,7 @@
           "default_tax_rates": [],
           "description": null,
           "discounts": [],
-          "due_date": 1000000000,
+          "due_date": null,
           "effective_at": 1000000000,
           "ending_balance": 0,
           "footer": null,
@@ -59,9 +59,9 @@
           "lines": {
             "data": [
               {
-                "amount": 984000,
+                "amount": 152000,
                 "currency": "usd",
-                "description": "Zulip Cloud Standard",
+                "description": "Zulip Cloud Standard - renewal",
                 "discount_amounts": [],
                 "discountable": false,
                 "discounts": [],
@@ -83,8 +83,8 @@
                   "type": "invoice_item_details"
                 },
                 "period": {
-                  "end": 1362193445,
-                  "start": 1330657445
+                  "end": 1393729445,
+                  "start": 1362193445
                 },
                 "pretax_credit_amounts": [],
                 "pricing": {
@@ -95,7 +95,7 @@
                   "type": "price_details",
                   "unit_amount_decimal": "8000"
                 },
-                "quantity": 123,
+                "quantity": 19,
                 "taxes": []
               }
             ],
@@ -105,16 +105,8 @@
             "url": "/v1/invoices/free_trial_upgrade_by_invoice--Event.list.1.json/lines"
           },
           "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "1",
-            "license_management": "manual",
-            "licenses": "123",
-            "on_free_trial": "True",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
+          "metadata": {},
+          "next_payment_attempt": 1000000000,
           "number": "NORMALIZED",
           "object": "invoice",
           "on_behalf_of": null,
@@ -141,22 +133,22 @@
           "shipping_details": null,
           "starting_balance": 0,
           "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
+          "status": "open",
           "status_transitions": {
             "finalized_at": 1000000000,
             "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
+            "paid_at": null,
             "voided_at": null
           },
-          "subtotal": 984000,
-          "subtotal_excluding_tax": 984000,
+          "subtotal": 152000,
+          "subtotal_excluding_tax": 152000,
           "test_clock": null,
-          "total": 984000,
+          "total": 152000,
           "total_discount_amounts": [],
-          "total_excluding_tax": 984000,
+          "total_excluding_tax": 152000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_upgrade_by_invoice--Event.list.1.json",
@@ -167,7 +159,7 @@
         "id": "free_trial_upgrade_by_invoice--Event.list.1.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
-      "type": "invoice.paid"
+      "type": "invoice.finalized"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.2.json
index a89d7a4cd3..02d1e60f88 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -107,7 +107,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "39",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
@@ -156,7 +156,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         }
       },
       "id": "free_trial_upgrade_by_invoice--Event.list.2.json",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.3.json
index 9eea036dfb..70a5ec656f 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -107,7 +107,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "39",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
@@ -156,13 +156,13 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         }
       },
       "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 2,
+      "pending_webhooks": 0,
       "request": {
         "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -170,7 +170,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -276,7 +276,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "39",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
@@ -325,7 +325,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -340,7 +340,7 @@
       "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 2,
+      "pending_webhooks": 0,
       "request": {
         "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -348,7 +348,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -370,6 +370,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -411,7 +412,7 @@
       "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 2,
+      "pending_webhooks": 0,
       "request": {
         "id": "free_trial_upgrade_by_invoice--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.create.1.json
index a577e71cfc..2fe17bcb73 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.create.1.json
@@ -60,7 +60,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "39",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.finalize_invoice.1.json
index 0bf274bb73..4342d16d41 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.finalize_invoice.1.json
@@ -101,7 +101,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "39",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": null
+  "webhooks_delivered_at": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.list.1.json
index 4188b9abf4..dddc05f052 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.list.1.json
@@ -103,7 +103,7 @@
       "livemode": false,
       "metadata": {
         "billing_schedule": "1",
-        "current_plan_id": "1",
+        "current_plan_id": "39",
         "license_management": "manual",
         "licenses": "123",
         "on_free_trial": "True",
@@ -152,7 +152,7 @@
       "total_excluding_tax": 984000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": null
+      "webhooks_delivered_at": 1000000000
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.pay.1.json
index 8409b09583..29e4c5d2b8 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--Invoice.pay.1.json
@@ -101,7 +101,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "39",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": null
+  "webhooks_delivered_at": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--InvoiceItem.create.1.json
index 69fe91c734..6c726da16a 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.1.json
index 9568387040..5b9da39c77 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.2.json
index 9e24500a91..801640c116 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.2.json",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.3.json
index 940f00bc8b..ad3b689d92 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -348,7 +348,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -370,6 +370,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_upgrade_by_invoice_customer_fails_to_pay--Event.list.3.json",
           "last_payment_error": null,
           "latest_charge": null,
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.create.1.json
index 0dc8766fb9..f272228726 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.finalize_invoice.1.json
index 37d345a452..c8a1924034 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--InvoiceItem.create.1.json
index f6e9e0f90e..d4ffcabbe7 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_customer_fails_to_pay--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json
index 4fda3fe460..bb18323230 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json
@@ -1,22 +1,22 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
           "account_country": "US",
           "account_name": "NORMALIZED",
           "account_tax_ids": null,
-          "amount_due": 16000,
+          "amount_due": 984000,
           "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 16000,
+          "amount_paid": 984000,
+          "amount_remaining": 0,
           "amount_shipping": 0,
           "application": null,
           "attempt_count": 0,
           "attempted": false,
-          "auto_advance": true,
+          "auto_advance": false,
           "automatic_tax": {
             "disabled_reason": null,
             "enabled": false,
@@ -59,9 +59,9 @@
           "lines": {
             "data": [
               {
-                "amount": 16000,
+                "amount": 984000,
                 "currency": "usd",
-                "description": "Additional license (Mar 2, 2012 - Mar 2, 2013)",
+                "description": "Zulip Cloud Standard",
                 "discount_amounts": [],
                 "discountable": false,
                 "discounts": [],
@@ -95,7 +95,7 @@
                   "type": "price_details",
                   "unit_amount_decimal": "8000"
                 },
-                "quantity": 2,
+                "quantity": 123,
                 "taxes": []
               }
             ],
@@ -105,7 +105,15 @@
             "url": "/v1/invoices/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json/lines"
           },
           "livemode": false,
-          "metadata": {},
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "40",
+            "license_management": "manual",
+            "licenses": "123",
+            "on_free_trial": "True",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
           "next_payment_attempt": null,
           "number": "NORMALIZED",
           "object": "invoice",
@@ -133,19 +141,19 @@
           "shipping_details": null,
           "starting_balance": 0,
           "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
+          "status": "paid",
           "status_transitions": {
             "finalized_at": 1000000000,
             "marked_uncollectible_at": null,
-            "paid_at": null,
+            "paid_at": 1000000000,
             "voided_at": null
           },
-          "subtotal": 16000,
-          "subtotal_excluding_tax": 16000,
+          "subtotal": 984000,
+          "subtotal_excluding_tax": 984000,
           "test_clock": null,
-          "total": 16000,
+          "total": 984000,
           "total_discount_amounts": [],
-          "total_excluding_tax": 16000,
+          "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
           "webhooks_delivered_at": 1000000000
@@ -156,10 +164,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": null,
-        "idempotency_key": null
+        "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.1.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
-      "type": "invoice.sent"
+      "type": "invoice.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.2.json
index 72e00bb84f..9b6e3a2c03 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -107,7 +107,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "42",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json
index 9d80b4c2a7..9f66b3d101 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -107,7 +107,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "42",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
@@ -162,7 +162,7 @@
       "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -170,7 +170,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -276,7 +276,7 @@
           "livemode": false,
           "metadata": {
             "billing_schedule": "1",
-            "current_plan_id": "1",
+            "current_plan_id": "42",
             "license_management": "manual",
             "licenses": "123",
             "on_free_trial": "True",
@@ -340,7 +340,7 @@
       "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -348,7 +348,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -370,6 +370,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -411,7 +412,7 @@
       "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 1,
+      "pending_webhooks": 0,
       "request": {
         "id": "free_trial_upgrade_by_invoice_with_additional_users_after_payment--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.create.1.json
index 1fb980cb89..e6a6895d4b 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.create.1.json
@@ -60,7 +60,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "42",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.finalize_invoice.1.json
index 9a0639c7d1..bce897735a 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.finalize_invoice.1.json
@@ -101,7 +101,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "42",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.1.json
index 316f2decfc..14a1a1ef09 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.1.json
@@ -103,7 +103,7 @@
       "livemode": false,
       "metadata": {
         "billing_schedule": "1",
-        "current_plan_id": "1",
+        "current_plan_id": "42",
         "license_management": "manual",
         "licenses": "123",
         "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.2.json
index f3f06d95c1..8f0cb84f15 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.list.2.json
@@ -249,7 +249,7 @@
       "livemode": false,
       "metadata": {
         "billing_schedule": "1",
-        "current_plan_id": "1",
+        "current_plan_id": "42",
         "license_management": "manual",
         "licenses": "123",
         "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.pay.1.json
index 668bdf85d9..21af21b8ec 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--Invoice.pay.1.json
@@ -101,7 +101,7 @@
   "livemode": false,
   "metadata": {
     "billing_schedule": "1",
-    "current_plan_id": "1",
+    "current_plan_id": "42",
     "license_management": "manual",
     "licenses": "123",
     "on_free_trial": "True",
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.1.json
index be35f80950..2a388fc10c 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.2.json
index 8191328eae..2e8e11be37 100644
--- a/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/free_trial_upgrade_by_invoice_with_additional_users_after_payment--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 16000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.1.json
index 194444b465..0c4d5cdf0b 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.2.json
index b2a7a3c249..4782fd8d5d 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.2.json
@@ -1,7 +1,186 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 48000,
+          "amount_overpaid": 0,
+          "amount_paid": 48000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 1,
+          "attempted": true,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "charge_automatically",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "invoice_for_additional_license--Customer.create.1.json",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": null,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "invoice_for_additional_license--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 48000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "invoice_for_additional_license--Event.list.2.json",
+                "invoice": "invoice_for_additional_license--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "invoice_for_additional_license--Event.list.2.json",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 6,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/invoice_for_additional_license--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "automatic",
+            "licenses": "6",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 48000,
+          "subtotal_excluding_tax": 48000,
+          "test_clock": null,
+          "total": 48000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 48000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 48000,
+          "attempt_count": 0,
+          "attempted": false,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "invoice_for_additional_license--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 2,
+      "request": {
+        "id": "invoice_for_additional_license--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -23,6 +202,7 @@
           "currency": "usd",
           "customer": "invoice_for_additional_license--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_for_additional_license--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "invoice_for_additional_license--Event.list.2.json",
@@ -72,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -133,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "154499",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -199,168 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 100,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 100,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "invoice_for_additional_license--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 100,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard - renewal",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "invoice_for_additional_license--Event.list.2.json",
-                "invoice": "invoice_for_additional_license--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1388631845,
-                  "start": 1357095845
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "100"
-                },
-                "quantity": 1,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/invoice_for_additional_license--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 100,
-          "subtotal_excluding_tax": 100,
-          "test_clock": null,
-          "total": 100,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 100,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "invoice_for_additional_license--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": null,
-        "idempotency_key": null
-      },
-      "type": "invoice.sent"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -529,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -714,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -736,6 +755,7 @@
           "currency": "usd",
           "customer": "invoice_for_additional_license--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_for_additional_license--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -785,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -940,7 +960,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -966,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -981,6 +1001,7 @@
           "invoice": "invoice_for_additional_license--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1012,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1126,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_for_additional_license--Event.list.2.json",
@@ -1140,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.3.json
index 0ac472aef7..8206190086 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -337,185 +337,6 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
-    },
-    {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 48000,
-          "amount_overpaid": 0,
-          "amount_paid": 48000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 1,
-          "attempted": true,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "invoice_for_additional_license--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 48000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "invoice_for_additional_license--Event.list.2.json",
-                "invoice": "invoice_for_additional_license--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 6,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/invoice_for_additional_license--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "automatic",
-            "licenses": "6",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 48000,
-          "subtotal_excluding_tax": 48000,
-          "test_clock": null,
-          "total": 48000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 48000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 48000,
-          "attempt_count": 0,
-          "attempted": false,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "invoice_for_additional_license--Event.list.3.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "invoice_for_additional_license--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.1.json
index 3a45e722b2..d2bd5addbd 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.2.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.2.json
index 4725085413..824775f096 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.1.json
index 3f21493de1..83a83581d7 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.2.json
index 666687f9d8..71642c21ee 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 7781,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.create.1.json
index cf11fdfe17..fb49e93c83 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.list.1.json
index 6fd00305a2..9875de30ac 100644
--- a/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_for_additional_license--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.create.1.json
index b9c47cf8d0..78a22e19d4 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.modify.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.modify.1.json
index 63f65b8430..5dd9c745b0 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.1.json
index 615ebfd6a1..f1d02a37b2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.2.json
index 615ebfd6a1..f1d02a37b2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.3.json
index 615ebfd6a1..f1d02a37b2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.4.json
index 615ebfd6a1..f1d02a37b2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.5.json
index 615ebfd6a1..f1d02a37b2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.1.json
index 2dabe3aab1..0902e62537 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.2.json
index 6fe3ff1e53..6a4e5f46d3 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 1850,
-              "authorization_code": null,
+              "authorization_code": "938408",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -120,7 +120,7 @@
       "id": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 3850,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 3850,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "invoice_initial_remote_realm_upgrade--Customer.create.1.json",
@@ -1315,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.3.json
index f1a58f9312..f54a969f26 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_initial_remote_realm_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Invoice.create.1.json
index 71c3a39a1e..c4169c1fc4 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.1.json
index 15eecc8726..43eb7a4f7e 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 3850,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.2.json
index e644e7a322..8b4b081da5 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.create.1.json
index 615b12c98b..c2e9760fc0 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.list.1.json
index eb4f0ca5d4..53368586be 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_realm_upgrade--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.1.json
index 0df67fc5b5..796f61ce8e 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.2.json
index bd7623838c..bd1f83354d 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4300,
-              "authorization_code": null,
+              "authorization_code": "017991",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -120,7 +120,7 @@
       "id": "invoice_initial_remote_server_upgrade--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "invoice_initial_remote_server_upgrade--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "invoice_initial_remote_server_upgrade--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_initial_remote_server_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "invoice_initial_remote_server_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "invoice_initial_remote_server_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 6300,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_initial_remote_server_upgrade--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.3.json
index 8fd3e4592e..d057186a0f 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_initial_remote_server_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Invoice.create.1.json
index 4c74623d41..6440c0c68a 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.1.json
index a734d45ae3..fe6f4116bc 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6300,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.2.json
index 8177fc167d..4a4c1d37f2 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.create.1.json
index b27554a5e8..fe425e5a8b 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.list.1.json
index f8db750423..1b6b25e78e 100644
--- a/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_initial_remote_server_upgrade--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.1.json
index e391c794d9..3f8b60fff7 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json
index 7543e8bbce..fe5d5e90ca 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "invoice_payment_succeeded_event_with_uncaught_exception--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "646670",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -370,7 +371,7 @@
       "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "invoice_payment_succeeded_event_with_uncaught_exception--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json
index a196221643..86f471dcae 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json
@@ -1,7 +1,168 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 16000,
+          "amount_overpaid": 0,
+          "amount_paid": 0,
+          "amount_remaining": 16000,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": true,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 16000,
+                "currency": "usd",
+                "description": "Additional license (Mar 2, 2012 - Mar 2, 2013)",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json",
+                "invoice": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1362193445,
+                  "start": 1330657445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 2,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json/lines"
+          },
+          "livemode": false,
+          "metadata": {},
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "open",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": null,
+            "voided_at": null
+          },
+          "subtotal": 16000,
+          "subtotal_excluding_tax": 16000,
+          "test_clock": null,
+          "total": 16000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 16000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        }
+      },
+      "id": "invoice_payment_succeeded_event_with_uncaught_exception--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice.sent"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +331,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Invoice.create.1.json
index 1f9a4146ec..190ed120b4 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--InvoiceItem.create.1.json
index 413fab6d81..ded0a54d66 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.create.1.json
index 66a3648264..29d0c55032 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.list.1.json
index 003f3e2be7..0a395b75d1 100644
--- a/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_payment_succeeded_event_with_uncaught_exception--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.1.json
index 0bdf0c51a0..effe5cc551 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.2.json
index deb0d92282..684e19c085 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "invoice_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "invoice_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "invoice_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "invoice_plan--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "308464",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -370,7 +371,7 @@
       "id": "invoice_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "invoice_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "invoice_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "invoice_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_plan--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.3.json
index 342a40aec8..49c3e1bb0c 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.1.json
index 0cde5e0205..8974987786 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.2.json
index e902b2efcd..732487bb92 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.1.json
index 9893f04a8a..4ad64e81e7 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.2.json
index 8c905a5a87..619645024f 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 17442,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.3.json
index f9e03d3ae4..4137ff283a 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 56000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.4.json
index 27e357ff73..f0da8adc5b 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 7255,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.create.1.json
index 095c583f99..c125cf4e41 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.list.1.json
index f563de395f..28b4a5bbd2 100644
--- a/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.create.1.json
index 67a16150a1..79ac31bdb6 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.modify.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.modify.1.json
index 9107526d17..d23a2828b8 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.1.json
index 624ee66144..54733cb091 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.2.json
index 624ee66144..54733cb091 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.3.json
index 624ee66144..54733cb091 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.4.json
index 624ee66144..54733cb091 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.5.json
index 624ee66144..54733cb091 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.1.json
index c7205b41d9..4ef8329d4f 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.2.json
index f857dee562..4a57f9afb6 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.2.json
@@ -1,176 +1,134 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 320000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 320000,
-          "amount_shipping": 0,
+          "amount": 1850,
+          "amount_captured": 1850,
+          "amount_refunded": 0,
           "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
+          "application_fee": null,
+          "application_fee_amount": null,
+          "balance_transaction": "txn_NORMALIZED",
+          "billing_details": {
+            "address": {
+              "city": "San Francisco",
+              "country": "US",
+              "line1": "123 Main St",
+              "line2": null,
+              "postal_code": "12345",
+              "state": "CA"
+            },
+            "email": null,
+            "name": "John Doe",
+            "phone": null,
+            "tax_id": null
           },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
+          "calculated_statement_descriptor": "ZULIP BASIC",
+          "captured": true,
           "created": 1000000000,
           "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "customer": "invoice_plans_as_needed--Customer.create.1.json",
+          "description": "Payment for Invoice",
+          "destination": null,
+          "dispute": null,
+          "disputed": false,
+          "failure_balance_transaction": null,
+          "failure_code": null,
+          "failure_message": null,
+          "fraud_details": {},
           "id": "invoice_plans_as_needed--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 320000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "invoice_plans_as_needed--Event.list.2.json",
-                "invoice": "invoice_plans_as_needed--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1000000000,
-                  "start": 1000000000
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 40,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/invoice_plans_as_needed--Event.list.2.json/lines"
-          },
           "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "manual",
-            "licenses": "40",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
+          "metadata": {},
+          "object": "charge",
           "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
+          "order": null,
+          "outcome": {
+            "advice_code": null,
+            "network_advice_code": null,
+            "network_decline_code": null,
+            "network_status": "approved_by_network",
+            "reason": null,
+            "risk_level": "normal",
+            "risk_score": 0,
+            "seller_message": "Payment complete.",
+            "type": "authorized"
           },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
+          "paid": true,
+          "payment_intent": "invoice_plans_as_needed--Event.list.2.json",
+          "payment_method": "pm_NORMALIZED",
+          "payment_method_details": {
+            "card": {
+              "amount_authorized": 1850,
+              "authorization_code": "975418",
+              "brand": "visa",
+              "checks": {
+                "address_line1_check": "pass",
+                "address_postal_code_check": "pass",
+                "cvc_check": "pass"
+              },
+              "country": "US",
+              "exp_month": 1,
+              "exp_year": 9999,
+              "extended_authorization": {
+                "status": "disabled"
+              },
+              "fingerprint": "NORMALIZED",
+              "funding": "credit",
+              "incremental_authorization": {
+                "status": "unavailable"
+              },
+              "installments": null,
+              "last4": "4242",
+              "mandate": null,
+              "multicapture": {
+                "status": "unavailable"
+              },
+              "network": "visa",
+              "network_token": {
+                "used": false
+              },
+              "network_transaction_id": "100110997670110",
+              "overcapture": {
+                "maximum_amount_capturable": 1850,
+                "status": "unavailable"
+              },
+              "regulated_status": "unregulated",
+              "three_d_secure": null,
+              "wallet": null
             },
-            "template": null,
-            "template_version": null
+            "type": "card"
           },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 320000,
-          "subtotal_excluding_tax": 320000,
-          "test_clock": null,
-          "total": 320000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 320000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "radar_options": {},
+          "receipt_email": "hamlet@zulip.com",
+          "receipt_number": null,
+          "receipt_url": "https://pay.stripe.com/receipts/invoices/NORMALIZED?s=ap",
+          "refunded": false,
+          "review": null,
+          "shipping": null,
+          "source": null,
+          "source_transfer": null,
+          "statement_descriptor": "Zulip Basic",
+          "statement_descriptor_suffix": null,
+          "status": "succeeded",
+          "transfer_data": null,
+          "transfer_group": null
         }
       },
       "id": "invoice_plans_as_needed--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
-        "id": null,
-        "idempotency_key": null
+        "id": "invoice_plans_as_needed--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
-      "type": "invoice.sent"
+      "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -378,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -602,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -624,6 +582,7 @@
           "currency": "usd",
           "customer": "invoice_plans_as_needed--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plans_as_needed--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -673,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -934,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -949,6 +908,7 @@
           "invoice": "invoice_plans_as_needed--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -980,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1134,7 +1094,7 @@
           "total_excluding_tax": 3850,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1160,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1175,6 +1135,7 @@
           "invoice": "invoice_plans_as_needed--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 3850,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1206,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1319,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_plans_as_needed--Event.list.2.json",
@@ -1333,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1343,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "invoice_plans_as_needed--Customer.create.1.json",
@@ -1357,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.3.json
index 24d34580af..1ab30bb643 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -203,13 +203,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "invoice_plans_as_needed--Event.list.3.json",
+        "id": "invoice_plans_as_needed--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -411,13 +411,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "invoice_plans_as_needed--Event.list.3.json",
+        "id": "invoice_plans_as_needed--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -629,13 +629,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "invoice_plans_as_needed--Event.list.3.json",
+        "id": "invoice_plans_as_needed--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,9 +657,10 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plans_as_needed--Event.list.2.json",
           "last_payment_error": null,
-          "latest_charge": "invoice_plans_as_needed--Event.list.3.json",
+          "latest_charge": "ch_NORMALIZED",
           "livemode": false,
           "metadata": {},
           "next_action": null,
@@ -700,137 +701,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "invoice_plans_as_needed--Event.list.3.json",
+        "id": "invoice_plans_as_needed--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "payment_intent.succeeded"
-    },
-    {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "amount": 1850,
-          "amount_captured": 1850,
-          "amount_refunded": 0,
-          "application": null,
-          "application_fee": null,
-          "application_fee_amount": null,
-          "balance_transaction": "txn_NORMALIZED",
-          "billing_details": {
-            "address": {
-              "city": "San Francisco",
-              "country": "US",
-              "line1": "123 Main St",
-              "line2": null,
-              "postal_code": "12345",
-              "state": "CA"
-            },
-            "email": null,
-            "name": "John Doe",
-            "phone": null,
-            "tax_id": null
-          },
-          "calculated_statement_descriptor": "ZULIP BASIC",
-          "captured": true,
-          "created": 1000000000,
-          "currency": "usd",
-          "customer": "cus_NORMALIZED",
-          "description": "Payment for Invoice",
-          "destination": null,
-          "dispute": null,
-          "disputed": false,
-          "failure_balance_transaction": null,
-          "failure_code": null,
-          "failure_message": null,
-          "fraud_details": {},
-          "id": "invoice_plans_as_needed--Event.list.3.json",
-          "livemode": false,
-          "metadata": {},
-          "object": "charge",
-          "on_behalf_of": null,
-          "order": null,
-          "outcome": {
-            "advice_code": null,
-            "network_advice_code": null,
-            "network_decline_code": null,
-            "network_status": "approved_by_network",
-            "reason": null,
-            "risk_level": "normal",
-            "risk_score": 0,
-            "seller_message": "Payment complete.",
-            "type": "authorized"
-          },
-          "paid": true,
-          "payment_intent": "invoice_plans_as_needed--Event.list.2.json",
-          "payment_method": "pm_NORMALIZED",
-          "payment_method_details": {
-            "card": {
-              "amount_authorized": 1850,
-              "authorization_code": null,
-              "brand": "visa",
-              "checks": {
-                "address_line1_check": "pass",
-                "address_postal_code_check": "pass",
-                "cvc_check": "pass"
-              },
-              "country": "US",
-              "exp_month": 1,
-              "exp_year": 9999,
-              "extended_authorization": {
-                "status": "disabled"
-              },
-              "fingerprint": "NORMALIZED",
-              "funding": "credit",
-              "incremental_authorization": {
-                "status": "unavailable"
-              },
-              "installments": null,
-              "last4": "4242",
-              "mandate": null,
-              "multicapture": {
-                "status": "unavailable"
-              },
-              "network": "visa",
-              "network_token": {
-                "used": false
-              },
-              "network_transaction_id": "100110997670110",
-              "overcapture": {
-                "maximum_amount_capturable": 1850,
-                "status": "unavailable"
-              },
-              "regulated_status": "unregulated",
-              "three_d_secure": null,
-              "wallet": null
-            },
-            "type": "card"
-          },
-          "radar_options": {},
-          "receipt_email": "hamlet@zulip.com",
-          "receipt_number": null,
-          "receipt_url": "https://pay.stripe.com/receipts/invoices/NORMALIZED?s=ap",
-          "refunded": false,
-          "review": null,
-          "shipping": null,
-          "source": null,
-          "source_transfer": null,
-          "statement_descriptor": "Zulip Basic",
-          "statement_descriptor_suffix": null,
-          "status": "succeeded",
-          "transfer_data": null,
-          "transfer_group": null
-        }
-      },
-      "id": "invoice_plans_as_needed--Event.list.3.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "invoice_plans_as_needed--Event.list.3.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "charge.succeeded"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.1.json
index fdfd0b2dca..2c9d26fc9c 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.2.json
index f9dd1519c8..55a1347626 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.1.json
index cd48a9deb8..c557db0a1e 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 3850,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.2.json
index 623ba32474..f092d9f3fc 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.3.json
index 2b1b980745..36780aeb7a 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 1635,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.4.json
index 722b631a23..f714defa17 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 5600,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.5.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.5.json
index 20bd3dfa51..4929585cb1 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.5.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--InvoiceItem.create.5.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.create.1.json
index 3db4d5c966..1e826a4fb4 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.list.1.json
index 5b81ad69d3..0609cbab62 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.1.json
index 451c78d6f9..886c591180 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.2.json
index 9c1ad3059b..ddfa7d2e1d 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4300,
-              "authorization_code": null,
+              "authorization_code": "160168",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "invoice_plans_as_needed_server--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plans_as_needed_server--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "invoice_plans_as_needed_server--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "invoice_plans_as_needed_server--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 6300,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "invoice_plans_as_needed_server--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.3.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.3.json
index 4c1b0173b8..caf6cfcd7f 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "invoice_plans_as_needed_server--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.1.json
index e2ea5eb720..64417eae87 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.2.json
index c2226ec24b..02887eb7e1 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.1.json
index 7fa95c14e6..c2a5d49c8f 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6300,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.2.json
index 534d54f525..19de314541 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.3.json
index e2240da143..01821560dc 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 1635,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.4.json
index 69700f4973..02664218f7 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 8050,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.5.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.5.json
index 491ca5b521..528a65158d 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.5.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--InvoiceItem.create.5.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.create.1.json
index 11187be5a1..13623a3793 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.list.1.json
index 3b633bee94..8be08439cf 100644
--- a/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_plans_as_needed_server--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json
index c0ecb0f7de..688e92ac6a 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.modify.1.json
index 06579c386f..ddca105142 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.1.json
index 78d2600ceb..9d1b455dff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.2.json
index 78d2600ceb..9d1b455dff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.3.json
index 78d2600ceb..9d1b455dff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.4.json
index 78d2600ceb..9d1b455dff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.5.json
index 78d2600ceb..9d1b455dff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "invoice_scheduled_upgrade_realm_complimentary_access_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Invoice.create.1.json
index d8a9a6174e..fca7a723d5 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.1.json
index 371b0e328e..fa57af4ed1 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.2.json
index 1ea556bd2e..4e23a50cff 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.create.1.json
index a51c814154..530a933b47 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.list.1.json
index 25211f4dc6..bc3c09ce88 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_realm_complimentary_access_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.create.1.json
index 85c7c03be4..98c3440b15 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.finalize_invoice.1.json
index eaf9fde3c0..89594fc86b 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.finalize_invoice.1.json
@@ -182,5 +182,5 @@
   "total_excluding_tax": 176000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.list.2.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.list.2.json
index 80d1e30611..21978846d2 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.list.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--Invoice.list.2.json
@@ -184,7 +184,7 @@
       "total_excluding_tax": 176000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.1.json
index b0fd184be1..31a516df35 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.2.json
index 9ed7368b71..3a0d47d20f 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.create.1.json
index 59d798b5ca..60d15ec064 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.list.1.json
index 9625ea7cd4..8eb86c1faf 100644
--- a/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/invoice_scheduled_upgrade_server_complimentary_access_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json
index 892d6b42f6..d8208fe1ef 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.modify.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.modify.1.json
index 5ebe5f3ed5..8e201c746e 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.1.json
index 36a9b56ea8..51eba8e110 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.2.json
index 36a9b56ea8..51eba8e110 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.3.json
index 36a9b56ea8..51eba8e110 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.4.json
index 36a9b56ea8..51eba8e110 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.5.json
index 36a9b56ea8..51eba8e110 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.6.json
index b754d4514c..2ec1c91bcc 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.1.json
index 6acd0c1dfc..e78b8c6f31 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.2.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.2.json
index 187813c472..7a6ee78782 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 176000,
-              "authorization_code": null,
+              "authorization_code": "044944",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -322,7 +322,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -530,7 +530,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -825,7 +826,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 200000,
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 200000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 200000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "migrate_customer_server_to_realms_and_upgrade--Customer.create.1.json",
@@ -1315,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.3.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.3.json
index 5a09efdc43..7e147bc8ab 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -195,7 +195,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.3.json",
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -403,7 +403,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.3.json",
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -611,7 +611,7 @@
           "total_excluding_tax": 176000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "migrate_customer_server_to_realms_and_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.create.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.create.1.json
index d34cc909a3..63a42b3405 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.finalize_invoice.1.json
index d6c2c8a0ec..b0cea55ca5 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.finalize_invoice.1.json
@@ -189,5 +189,5 @@
   "total_excluding_tax": 176000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.pay.1.json
index 6975b67d0f..597b02cdbf 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--Invoice.pay.1.json
@@ -189,5 +189,5 @@
   "total_excluding_tax": 176000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.1.json
index c4552b7836..232314e40b 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.2.json
index 464f90372e..118017703a 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.create.1.json
index abfb24b949..3c59ef8e61 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.list.1.json
index f2924a3d5c..3d1acf4015 100644
--- a/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/migrate_customer_server_to_realms_and_upgrade--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.1.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.1.json
index 5f8a6a1bf5..06d2a1ac51 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.2.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.2.json
index 8cf2ad8ea3..19624b7927 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 176000,
-              "authorization_code": null,
+              "authorization_code": "766964",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "non_sponsorship_billing--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "non_sponsorship_billing--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "non_sponsorship_billing--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 200000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "non_sponsorship_billing--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 200000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "non_sponsorship_billing--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.3.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.3.json
index 82f2d96a4d..0bd4012c06 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "non_sponsorship_billing--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Invoice.create.1.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Invoice.create.1.json
index 094d330f65..b0a11b73aa 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.1.json
index e701394a58..df8812cb3c 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.2.json
index 588a2490be..e6cbeffb42 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.create.1.json
index d97f542728..e0ec0342eb 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.list.1.json
index e33210d18d..a356f70e53 100644
--- a/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/non_sponsorship_billing--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.1.json b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.1.json
index be959bf1e8..02a37fe012 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.2.json b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.2.json
index 673401e7be..82954265c0 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,176 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
+        }
+      },
+      "id": "payment_method_string--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "payment_method_string--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 984000,
+          "amount_overpaid": 0,
+          "amount_paid": 984000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "payment_method_string--Customer.create.1.json",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "payment_method_string--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 984000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "payment_method_string--Event.list.2.json",
+                "invoice": "payment_method_string--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "payment_method_string--Event.list.2.json",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1000000000,
+                  "start": 1000000000
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 123,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/payment_method_string--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "manual",
+            "licenses": "123",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 984000,
+          "subtotal_excluding_tax": 984000,
+          "test_clock": null,
+          "total": 984000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 984000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -179,7 +348,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +370,7 @@
           "currency": "usd",
           "customer": "payment_method_string--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "payment_method_string--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +420,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -405,7 +575,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "payment_method_string--Event.list.2.json",
@@ -419,7 +589,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -574,7 +744,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "automatically_finalizes_at": 1000000000,
@@ -605,7 +775,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +797,7 @@
           "currency": "usd",
           "customer": "payment_method_string--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "payment_method_string--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +847,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +1002,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +1028,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +1043,7 @@
           "invoice": "payment_method_string--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,168 +1075,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 10000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 10000,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "user-0-test-realm-8@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "payment_method_string--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 10000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "payment_method_string--Event.list.2.json",
-                "invoice": "payment_method_string--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1000000000,
-                  "start": 1000000000
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "10000"
-                },
-                "quantity": 1,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/payment_method_string--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 10000,
-          "subtotal_excluding_tax": 10000,
-          "test_clock": null,
-          "total": 10000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 10000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "payment_method_string--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": null,
-        "idempotency_key": null
-      },
-      "type": "invoice.sent"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1178,7 +1189,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "payment_method_string--Event.list.2.json",
@@ -1192,7 +1203,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1242,7 +1253,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": true,
+  "has_more": false,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.3.json b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.3.json
index 6d5feba0a4..6d922067af 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.3.json
@@ -1,175 +1,5 @@
 {
-  "data": [
-    {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 984000,
-          "amount_overpaid": 0,
-          "amount_paid": 984000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "payment_method_string--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 984000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "payment_method_string--Event.list.2.json",
-                "invoice": "payment_method_string--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1000000000,
-                  "start": 1000000000
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 123,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/payment_method_string--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "manual",
-            "licenses": "123",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 984000,
-          "subtotal_excluding_tax": 984000,
-          "test_clock": null,
-          "total": 984000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 984000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "payment_method_string--Event.list.3.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "payment_method_string--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.paid"
-    }
-  ],
+  "data": [],
   "has_more": false,
   "object": "list",
   "url": "/v1/events"
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.4.json b/corporate/tests/stripe_fixtures/payment_method_string--Event.list.4.json
deleted file mode 100644
index 6d922067af..0000000000
--- a/corporate/tests/stripe_fixtures/payment_method_string--Event.list.4.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "data": [],
-  "has_more": false,
-  "object": "list",
-  "url": "/v1/events"
-}
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.create.1.json b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.create.1.json
index fe84a88149..ee0ed7230f 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.finalize_invoice.1.json
index b524002c17..e8b1bd3c6e 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.pay.1.json
index 36e860b45a..b406b2178f 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/payment_method_string--InvoiceItem.create.1.json
index 4154e6b92e..00804e9af5 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.create.1.json
index 271c994854..5de6ca6b75 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.list.1.json
index d3b2231096..fd3cf33755 100644
--- a/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/payment_method_string--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--Event.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--Event.list.1.json
index dd48f5c0b4..452bea1a14 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
index caea4a93e4..10940ab48a 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
index 74156fe63f..c451d20fdd 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json
index 85f8d5f009..8d144830b3 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.modify.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.modify.1.json
index b70c6bdb73..25c8b563af 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.1.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.2.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.3.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.4.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.5.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.6.json
index 3b09bcde78..b2b7c5a3ea 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Event.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Event.list.1.json
index ed97112be0..c12ccc335b 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
index e2f168bea9..4f9f82684e 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
index 3f142a1800..4b09d15672 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_realm_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--Event.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--Event.list.1.json
index 6dd69b1d5d..b86f31cded 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
index 465c4c2cad..f2c87c409c 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
index 5e51e36bfb..1e803478b8 100644
--- a/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/redirect_for_remote_server_billing_page_downgrade_at_free_trial_end--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.1.json b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.1.json
index 4ef71939de..b0f4712e3c 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 48000,
+          "amount_requested": 48000,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "replace_payment_method--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "replace_payment_method--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "replace_payment_method--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.2.json
index ac9dc990d3..9f069687eb 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "replace_payment_method--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "replace_payment_method--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "replace_payment_method--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "522397",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "replace_payment_method--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "replace_payment_method--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "replace_payment_method--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "replace_payment_method--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.3.json b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.3.json
index 05b41bb8ee..5d42a1eea1 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.1.json b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.1.json
index 3421839a07..4b7f013eee 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.2.json
index dfe5f4e58f..47078af9f7 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.pay.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.pay.2.json
index 85a82fbecf..3a66dee734 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.pay.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--Invoice.pay.2.json
@@ -8,6 +8,7 @@
     "decline_code": "generic_decline",
     "doc_url": "https://stripe.com/docs/error-codes/card-declined",
     "message": "Your card was declined.",
+    "network_decline_code": "01",
     "param": null,
     "payment_intent": {
       "amount": 5000,
@@ -28,6 +29,7 @@
       "currency": "usd",
       "customer": "cus_NORMALIZED",
       "description": "Payment for Invoice",
+      "excluded_payment_method_types": null,
       "id": "replace_payment_method--Invoice.pay.2.json",
       "last_payment_error": {
         "advice_code": "try_again_later",
@@ -36,6 +38,7 @@
         "decline_code": "generic_decline",
         "doc_url": "https://stripe.com/docs/error-codes/card-declined",
         "message": "Your card was declined.",
+        "network_decline_code": "01",
         "payment_method": {
           "allow_redisplay": "unspecified",
           "billing_details": {
@@ -175,7 +178,7 @@
       "object": "payment_method",
       "type": "card"
     },
-    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899385",
+    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913918",
     "setup_intent": null,
     "source": null,
     "type": "card_error"
@@ -188,23 +191,23 @@
     "Access-Control-Max-Age": "300",
     "Cache-Control": "no-cache, no-store",
     "Connection": "keep-alive",
-    "Content-Length": "5290",
-    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=TukYFDLV2lHfmYsKO8QKy1Rs8CFOE-Ik92j0oi7ZNOKjRVL1NdvjDcjXu7lLN5teYlBHlKnXeBBeKYy1",
+    "Content-Length": "5375",
+    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=irAykxLghuCmgqrIXf-pM0galma1w0YXzU99WaktruwmWPN8iPfQgKGBqdAaBd-GGagPQijh3O5rblPQ",
     "Content-Type": "application/json",
     "Date": "NORMALIZED DATETIME",
-    "Idempotency-Key": "be647435-6f59-43db-b2e8-f1b903e9f62b",
+    "Idempotency-Key": "d3306ad4-fd75-42ce-b299-fce16ed674c4",
     "Original-Request": "req_NORMALIZED",
     "Request-Id": "req_NORMALIZED",
     "Server": "nginx",
     "Strict-Transport-Security": "max-age=63072000; includeSubDomains; preload",
     "Stripe-Should-Retry": "false",
-    "Stripe-Version": "2025-04-30.basil",
+    "Stripe-Version": "2025-09-30.clover",
     "Vary": "Origin",
     "X-Stripe-Priority-Routing-Enabled": "true",
     "X-Stripe-Routing-Context-Priority-Tier": "api-testmode",
-    "X-Wc": "ABGHI"
+    "X-Wc": "ABGHIJ"
   },
-  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"charge\": \"ch_NORMALIZED\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"payment_intent\": {\n      \"id\": \"replace_payment_method--Invoice.pay.2.json\",\n      \"object\": \"payment_intent\",\n      \"amount\": 5000,\n      \"amount_capturable\": 0,\n      \"amount_details\": {\n        \"tip\": {\n        }\n      },\n      \"amount_received\": 0,\n      \"application\": null,\n      \"application_fee_amount\": null,\n      \"automatic_payment_methods\": null,\n      \"canceled_at\": null,\n      \"cancellation_reason\": null,\n      \"capture_method\": \"automatic\",\n      \"client_secret\": \"replace_payment_method--Invoice.pay.2.json_secret_nBNr2TQijAwq9vfBbJsqUMhB6\",\n      \"confirmation_method\": \"automatic\",\n      \"created\": 1000000000,\n      \"currency\": \"usd\",\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": \"Payment for Invoice\",\n      \"last_payment_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"charge\": \"ch_NORMALIZED\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"payment_method\": {\n          \"id\": \"replace_payment_method--Customer.retrieve.7.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 5,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0341\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": \"cus_NORMALIZED\",\n          \"livemode\": false,\n          \"metadata\": {\n          },\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_charge\": \"ch_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {\n      },\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"installments\": null,\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        },\n        \"link\": {\n          \"persistent_token\": null\n        }\n      },\n      \"payment_method_types\": [\n        \"card\",\n        \"link\"\n      ],\n      \"processing\": null,\n      \"receipt_email\": \"hamlet@zulip.com\",\n      \"review\": null,\n      \"setup_future_usage\": null,\n      \"shipping\": null,\n      \"source\": null,\n      \"statement_descriptor\": null,\n      \"statement_descriptor_suffix\": null,\n      \"status\": \"requires_payment_method\",\n      \"transfer_data\": null,\n      \"transfer_group\": null\n    },\n    \"payment_method\": {\n      \"id\": \"replace_payment_method--Customer.retrieve.7.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 5,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0341\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {\n      },\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899385\",\n    \"type\": \"card_error\"\n  }\n}\n",
+  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"charge\": \"ch_NORMALIZED\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"network_decline_code\": \"01\",\n    \"payment_intent\": {\n      \"id\": \"replace_payment_method--Invoice.pay.2.json\",\n      \"object\": \"payment_intent\",\n      \"amount\": 5000,\n      \"amount_capturable\": 0,\n      \"amount_details\": {\n        \"tip\": {}\n      },\n      \"amount_received\": 0,\n      \"application\": null,\n      \"application_fee_amount\": null,\n      \"automatic_payment_methods\": null,\n      \"canceled_at\": null,\n      \"cancellation_reason\": null,\n      \"capture_method\": \"automatic\",\n      \"client_secret\": \"replace_payment_method--Invoice.pay.2.json_secret_N0ibfNA1c7mKThX3kFyApFfQd\",\n      \"confirmation_method\": \"automatic\",\n      \"created\": 1000000000,\n      \"currency\": \"usd\",\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": \"Payment for Invoice\",\n      \"excluded_payment_method_types\": null,\n      \"last_payment_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"charge\": \"ch_NORMALIZED\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"network_decline_code\": \"01\",\n        \"payment_method\": {\n          \"id\": \"replace_payment_method--Customer.retrieve.7.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 10,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0341\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": \"cus_NORMALIZED\",\n          \"livemode\": false,\n          \"metadata\": {},\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_charge\": \"ch_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {},\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"installments\": null,\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        },\n        \"link\": {\n          \"persistent_token\": null\n        }\n      },\n      \"payment_method_types\": [\n        \"card\",\n        \"link\"\n      ],\n      \"processing\": null,\n      \"receipt_email\": \"hamlet@zulip.com\",\n      \"review\": null,\n      \"setup_future_usage\": null,\n      \"shipping\": null,\n      \"source\": null,\n      \"statement_descriptor\": null,\n      \"statement_descriptor_suffix\": null,\n      \"status\": \"requires_payment_method\",\n      \"transfer_data\": null,\n      \"transfer_group\": null\n    },\n    \"payment_method\": {\n      \"id\": \"replace_payment_method--Customer.retrieve.7.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 10,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"DXkIrMyLWOiSbbeT\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0341\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"livemode\": false,\n      \"metadata\": {},\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913918\",\n    \"type\": \"card_error\"\n  }\n}\n",
   "http_status": 402,
   "json_body": {
     "error": {
@@ -214,6 +217,7 @@
       "decline_code": "generic_decline",
       "doc_url": "https://stripe.com/docs/error-codes/card-declined",
       "message": "Your card was declined.",
+      "network_decline_code": "01",
       "payment_intent": {
         "amount": 5000,
         "amount_capturable": 0,
@@ -233,6 +237,7 @@
         "currency": "usd",
         "customer": "cus_NORMALIZED",
         "description": "Payment for Invoice",
+        "excluded_payment_method_types": null,
         "id": "replace_payment_method--Invoice.pay.2.json",
         "last_payment_error": {
           "advice_code": "try_again_later",
@@ -241,6 +246,7 @@
           "decline_code": "generic_decline",
           "doc_url": "https://stripe.com/docs/error-codes/card-declined",
           "message": "Your card was declined.",
+          "network_decline_code": "01",
           "payment_method": {
             "allow_redisplay": "unspecified",
             "billing_details": {
@@ -380,7 +386,7 @@
         "object": "payment_method",
         "type": "card"
       },
-      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899385",
+      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913918",
       "type": "card_error"
     }
   },
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/replace_payment_method--InvoiceItem.create.1.json
index bd63b42ebf..1571930902 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--SetupIntent.create.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--SetupIntent.create.2.json
index 046c6a8478..7b6f61afc9 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--SetupIntent.create.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--SetupIntent.create.2.json
@@ -8,6 +8,7 @@
     "decline_code": "generic_decline",
     "doc_url": "https://stripe.com/docs/error-codes/card-declined",
     "message": "Your card was declined.",
+    "network_decline_code": "01",
     "param": null,
     "payment_intent": null,
     "payment_method": {
@@ -61,7 +62,7 @@
       "object": "payment_method",
       "type": "card"
     },
-    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899381",
+    "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913913",
     "setup_intent": {
       "application": null,
       "automatic_payment_methods": null,
@@ -78,6 +79,7 @@
         "decline_code": "generic_decline",
         "doc_url": "https://stripe.com/docs/error-codes/card-declined",
         "message": "Your card was declined.",
+        "network_decline_code": "01",
         "payment_method": {
           "allow_redisplay": "unspecified",
           "billing_details": {
@@ -165,23 +167,23 @@
     "Access-Control-Max-Age": "300",
     "Cache-Control": "no-cache, no-store",
     "Connection": "keep-alive",
-    "Content-Length": "4542",
-    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=TukYFDLV2lHfmYsKO8QKy1Rs8CFOE-Ik92j0oi7ZNOKjRVL1NdvjDcjXu7lLN5teYlBHlKnXeBBeKYy1",
+    "Content-Length": "4591",
+    "Content-Security-Policy": "base-uri 'none'; default-src 'none'; form-action 'none'; frame-ancestors 'none'; img-src 'self'; script-src 'self' 'report-sample'; style-src 'self'; worker-src 'none'; upgrade-insecure-requests; report-uri https://q.stripe.com/csp-violation?q=irAykxLghuCmgqrIXf-pM0galma1w0YXzU99WaktruwmWPN8iPfQgKGBqdAaBd-GGagPQijh3O5rblPQ",
     "Content-Type": "application/json",
     "Date": "NORMALIZED DATETIME",
-    "Idempotency-Key": "3dbc2960-cd2f-442e-b6a0-2340e8fd46c7",
+    "Idempotency-Key": "bd89dd3c-ca97-485e-b5a4-fb5457e24a64",
     "Original-Request": "req_NORMALIZED",
     "Request-Id": "req_NORMALIZED",
     "Server": "nginx",
     "Strict-Transport-Security": "max-age=63072000; includeSubDomains; preload",
     "Stripe-Should-Retry": "false",
-    "Stripe-Version": "2025-04-30.basil",
+    "Stripe-Version": "2025-09-30.clover",
     "Vary": "Origin",
     "X-Stripe-Priority-Routing-Enabled": "true",
     "X-Stripe-Routing-Context-Priority-Tier": "api-testmode",
-    "X-Wc": "ABGHI"
+    "X-Wc": "ABGHIJ"
   },
-  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"payment_method\": {\n      \"id\": \"replace_payment_method--PaymentMethod.create.2.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 5,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"D5bwp1hJalF8jxeQ\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0002\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": null,\n      \"livemode\": false,\n      \"metadata\": {\n      },\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899381\",\n    \"setup_intent\": {\n      \"id\": \"replace_payment_method--SetupIntent.create.2.json\",\n      \"object\": \"setup_intent\",\n      \"application\": null,\n      \"automatic_payment_methods\": null,\n      \"cancellation_reason\": null,\n      \"client_secret\": \"replace_payment_method--SetupIntent.create.2.json_secret_SHrFXdsjvZJ3KImUJYY5smbmnfFiAQ6\",\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": null,\n      \"flow_directions\": null,\n      \"last_setup_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"payment_method\": {\n          \"id\": \"replace_payment_method--PaymentMethod.create.2.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 5,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"D5bwp1hJalF8jxeQ\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0002\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": null,\n          \"livemode\": false,\n          \"metadata\": {\n          },\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_attempt\": \"setatt_NORMALIZED\",\n      \"livemode\": false,\n      \"mandate\": null,\n      \"metadata\": {\n      },\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        }\n      },\n      \"payment_method_types\": [\n        \"card\"\n      ],\n      \"single_use_mandate\": null,\n      \"status\": \"requires_payment_method\",\n      \"usage\": \"off_session\"\n    },\n    \"type\": \"card_error\"\n  }\n}\n",
+  "http_body": "{\n  \"error\": {\n    \"advice_code\": \"try_again_later\",\n    \"code\": \"card_declined\",\n    \"decline_code\": \"generic_decline\",\n    \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n    \"message\": \"Your card was declined.\",\n    \"network_decline_code\": \"01\",\n    \"payment_method\": {\n      \"id\": \"replace_payment_method--PaymentMethod.create.2.json\",\n      \"object\": \"payment_method\",\n      \"allow_redisplay\": \"unspecified\",\n      \"billing_details\": {\n        \"address\": {\n          \"city\": \"San Francisco\",\n          \"country\": \"US\",\n          \"line1\": \"123 Main St\",\n          \"line2\": null,\n          \"postal_code\": \"94105\",\n          \"state\": \"CA\"\n        },\n        \"email\": null,\n        \"name\": \"John Doe\",\n        \"phone\": null,\n        \"tax_id\": null\n      },\n      \"card\": {\n        \"brand\": \"visa\",\n        \"checks\": {\n          \"address_line1_check\": \"pass\",\n          \"address_postal_code_check\": \"pass\",\n          \"cvc_check\": \"pass\"\n        },\n        \"country\": \"US\",\n        \"display_brand\": \"visa\",\n        \"exp_month\": 10,\n        \"exp_year\": 2026,\n        \"fingerprint\": \"D5bwp1hJalF8jxeQ\",\n        \"funding\": \"credit\",\n        \"generated_from\": null,\n        \"last4\": \"0002\",\n        \"networks\": {\n          \"available\": [\n            \"visa\"\n          ],\n          \"preferred\": null\n        },\n        \"regulated_status\": \"unregulated\",\n        \"three_d_secure_usage\": {\n          \"supported\": true\n        },\n        \"wallet\": null\n      },\n      \"created\": 1000000000,\n      \"customer\": null,\n      \"livemode\": false,\n      \"metadata\": {},\n      \"type\": \"card\"\n    },\n    \"request_log_url\": \"https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913913\",\n    \"setup_intent\": {\n      \"id\": \"replace_payment_method--SetupIntent.create.2.json\",\n      \"object\": \"setup_intent\",\n      \"application\": null,\n      \"automatic_payment_methods\": null,\n      \"cancellation_reason\": null,\n      \"client_secret\": \"replace_payment_method--SetupIntent.create.2.json_secret_TCHmLweCuH2mQ9rglUcLGXULYgxnPF3\",\n      \"created\": 1000000000,\n      \"customer\": \"cus_NORMALIZED\",\n      \"description\": null,\n      \"flow_directions\": null,\n      \"last_setup_error\": {\n        \"advice_code\": \"try_again_later\",\n        \"code\": \"card_declined\",\n        \"decline_code\": \"generic_decline\",\n        \"doc_url\": \"https://stripe.com/docs/error-codes/card-declined\",\n        \"message\": \"Your card was declined.\",\n        \"network_decline_code\": \"01\",\n        \"payment_method\": {\n          \"id\": \"replace_payment_method--PaymentMethod.create.2.json\",\n          \"object\": \"payment_method\",\n          \"allow_redisplay\": \"unspecified\",\n          \"billing_details\": {\n            \"address\": {\n              \"city\": \"San Francisco\",\n              \"country\": \"US\",\n              \"line1\": \"123 Main St\",\n              \"line2\": null,\n              \"postal_code\": \"94105\",\n              \"state\": \"CA\"\n            },\n            \"email\": null,\n            \"name\": \"John Doe\",\n            \"phone\": null,\n            \"tax_id\": null\n          },\n          \"card\": {\n            \"brand\": \"visa\",\n            \"checks\": {\n              \"address_line1_check\": \"pass\",\n              \"address_postal_code_check\": \"pass\",\n              \"cvc_check\": \"pass\"\n            },\n            \"country\": \"US\",\n            \"display_brand\": \"visa\",\n            \"exp_month\": 10,\n            \"exp_year\": 2026,\n            \"fingerprint\": \"D5bwp1hJalF8jxeQ\",\n            \"funding\": \"credit\",\n            \"generated_from\": null,\n            \"last4\": \"0002\",\n            \"networks\": {\n              \"available\": [\n                \"visa\"\n              ],\n              \"preferred\": null\n            },\n            \"regulated_status\": \"unregulated\",\n            \"three_d_secure_usage\": {\n              \"supported\": true\n            },\n            \"wallet\": null\n          },\n          \"created\": 1000000000,\n          \"customer\": null,\n          \"livemode\": false,\n          \"metadata\": {},\n          \"type\": \"card\"\n        },\n        \"type\": \"card_error\"\n      },\n      \"latest_attempt\": \"setatt_NORMALIZED\",\n      \"livemode\": false,\n      \"mandate\": null,\n      \"metadata\": {},\n      \"next_action\": null,\n      \"on_behalf_of\": null,\n      \"payment_method\": null,\n      \"payment_method_configuration_details\": null,\n      \"payment_method_options\": {\n        \"card\": {\n          \"mandate_options\": null,\n          \"network\": null,\n          \"request_three_d_secure\": \"automatic\"\n        }\n      },\n      \"payment_method_types\": [\n        \"card\"\n      ],\n      \"single_use_mandate\": null,\n      \"status\": \"requires_payment_method\",\n      \"usage\": \"off_session\"\n    },\n    \"type\": \"card_error\"\n  }\n}\n",
   "http_status": 402,
   "json_body": {
     "error": {
@@ -190,6 +192,7 @@
       "decline_code": "generic_decline",
       "doc_url": "https://stripe.com/docs/error-codes/card-declined",
       "message": "Your card was declined.",
+      "network_decline_code": "01",
       "payment_method": {
         "allow_redisplay": "unspecified",
         "billing_details": {
@@ -241,7 +244,7 @@
         "object": "payment_method",
         "type": "card"
       },
-      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1746899381",
+      "request_log_url": "https://dashboard.stripe.com/test/logs/req_NORMALIZED?t=1759913913",
       "setup_intent": {
         "application": null,
         "automatic_payment_methods": null,
@@ -258,6 +261,7 @@
           "decline_code": "generic_decline",
           "doc_url": "https://stripe.com/docs/error-codes/card-declined",
           "message": "Your card was declined.",
+          "network_decline_code": "01",
           "payment_method": {
             "allow_redisplay": "unspecified",
             "billing_details": {
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.1.json
index 45b53894bf..eec1a952c9 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.2.json
index 5a45d7d2bf..7ce52f4a67 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.2.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/billing/",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.3.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.3.json
index f86c37591c..af70b54ffa 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.3.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.3.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/billing/",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.4.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.4.json
index 85ad38bbd6..162877f1be 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.4.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.4.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/billing/",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.5.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.5.json
index a5adcd4d56..2af6b9b08d 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.5.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.create.5.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=true&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.1.json
index 860dd69b38..dd4516fe45 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.2.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.2.json
index 2b02cc2531..a4fa0b2ac3 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.2.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.2.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/billing/",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.3.json b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.3.json
index 1c6bd0b489..9b278ad21c 100644
--- a/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.3.json
+++ b/corporate/tests/stripe_fixtures/replace_payment_method--checkout.Session.list.3.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/billing/",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json
index 22a843526d..780042445c 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.modify.1.json
index e946efcc45..3a954bf6f5 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.1.json
index 2506553d6c..917710de24 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.2.json
index 2506553d6c..917710de24 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.3.json
index 2506553d6c..917710de24 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.4.json
index 2506553d6c..917710de24 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.5.json
index 2506553d6c..917710de24 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
index 1df5d59d4d..092a194f19 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
index bce35b960f..f7a5e6e48d 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
index 36ab8c4c8d..f7dafa16d3 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
index 06a06c1afa..0570a46156 100644
--- a/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json
index 2e343550ac..b72ea85b07 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.modify.1.json
index f25f00461c..56aa3bcc59 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.1.json
index a55d792601..201616ea55 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.2.json
index a55d792601..201616ea55 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.3.json
index a55d792601..201616ea55 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.4.json
index a55d792601..201616ea55 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.5.json
index a55d792601..201616ea55 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.1.json
index 695c14d63e..72998735df 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json
index 28b119a06b..0df9ce2214 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -171,7 +171,7 @@
       "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
@@ -250,7 +251,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -311,7 +312,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 10000,
-              "authorization_code": null,
+              "authorization_code": "969509",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -377,7 +378,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -545,7 +546,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -729,7 +730,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -751,6 +752,7 @@
           "currency": "usd",
           "customer": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -800,7 +802,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -980,7 +982,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -995,6 +997,7 @@
           "invoice": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 10000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1026,7 +1029,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1139,7 +1142,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.2.json",
@@ -1153,7 +1156,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1163,7 +1166,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Customer.create.1.json",
@@ -1177,7 +1180,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.3.json
index 06b82aaac2..07aa9f232b 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -169,7 +169,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.1.json
index fb6f6a135a..a408ce9a79 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.10.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.10.json
index c27c9a0f3d..e89f255431 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.10.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.10.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.11.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.11.json
index 45008f8fef..76b31aeec9 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.11.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.11.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.12.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.12.json
index b54bd8dee1..0c9b2403bc 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.12.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.12.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.13.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.13.json
index aa34ad28b0..bb177aa79f 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.13.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.13.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.2.json
index 7dbb533f71..2fc7788a41 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.3.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.3.json
index 2ee48166d0..67e151c50b 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.4.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.4.json
index ef3245747b..03ce54e16b 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.4.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.4.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.5.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.5.json
index 51624236a9..d8088426ba 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.5.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.6.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.6.json
index fca588c1a1..15bbbc0078 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.6.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.6.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.7.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.7.json
index 8fe6ca52b2..bd47287049 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.7.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.7.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.8.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.8.json
index e59d408df5..d345fab394 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.8.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.8.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.9.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.9.json
index 1fd2971db3..a39a128e25 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.9.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.create.9.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.11.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.11.json
index 8c8e889777..1edc8a98ce 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.11.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.11.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.5.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.5.json
index ffe718d999..0fa75fe9b7 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--Invoice.finalize_invoice.5.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.1.json
index ef4b91e907..62928a7a73 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.10.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.10.json
index b0f7efaeb1..0f7927e241 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.10.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.10.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.11.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.11.json
index 2e5a2ee3b1..7f12185878 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.11.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.11.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.12.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.12.json
index 73565623d8..abb758139e 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.12.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.12.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.13.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.13.json
index 975c908b5e..8d5da0c0e2 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.13.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.13.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 14166,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.2.json
index a0c3fd299d..10f89f2a50 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.3.json
index 555f151b43..c72d1df5e7 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.4.json
index bbb9dc1308..c6a360a909 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.5.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.5.json
index c18ec7c605..9a59f5db6d 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.5.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.6.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.6.json
index 1b3dc0f5a4..c4c080e5f1 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.6.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.6.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.7.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.7.json
index 3a191aef55..07239f4ab9 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.7.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.7.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.8.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.8.json
index 74a2a8f322..322f72daae 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.8.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.8.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.9.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.9.json
index 32fb8514ed..e34bcc2f13 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.9.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--InvoiceItem.create.9.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.create.1.json
index 288e14393c..1b054e18d5 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.list.1.json
index 52ae7b1006..2340685235 100644
--- a/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_fixed_price_plan_upgrade_to_another_fixed_price_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
index 5c1b6d846c..faa708e7de 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.finalize_invoice.1.json
index 7584b60d8e..02c54455bd 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--Invoice.finalize_invoice.1.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 120000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
index aec4ccdc13..847398d1be 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
index 97e2ef9132..60396dd9da 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
index 7629da5325..5d3bd5efc6 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_complimentary_access_plan_upgrade_to_fixed_price_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.1.json
index 13124f441c..eefa42e5b6 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json
index 2e6218fd00..7dbdfb97e8 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 51600,
-              "authorization_code": null,
+              "authorization_code": "221320",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "schedule_server_upgrade_to_fixed_price_business_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 75600,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.3.json
index 93ede6c614..8c28a0c72a 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_server_upgrade_to_fixed_price_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.1.json
index 79657cbb05..f5d55baf74 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.2.json
index 8118f17872..4324b6f7f7 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.finalize_invoice.2.json
index 4d5cfe87e6..08db05d547 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--Invoice.finalize_invoice.2.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 120000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.1.json
index da74bc0cf2..1873780270 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 75600,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.2.json
index 51dc82ab96..603a29591d 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.3.json
index fbc6b9d4a9..d4faf8b5bd 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.create.1.json
index 7b5e82f5e6..23a7f6edc2 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.list.1.json
index 24957532c1..76de90bcfb 100644
--- a/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_server_upgrade_to_fixed_price_business_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json
index 17e52236ef..78659b84dd 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.modify.1.json
index 1c1405e582..06c7f5437f 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.1.json
index 755a6968c0..f4f12a5c63 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.2.json
index 755a6968c0..f4f12a5c63 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.3.json
index 755a6968c0..f4f12a5c63 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.4.json
index 755a6968c0..f4f12a5c63 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.5.json
index 755a6968c0..f4f12a5c63 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.6.json
index e23b221d03..7b7cc687f4 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 3,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.1.json
index 93265da029..e251fb4a2e 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json
index fec608d3fc..82d238236b 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 22200,
-              "authorization_code": null,
+              "authorization_code": "287609",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 46200,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 46200,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Customer.create.1.json",
@@ -1315,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.3.json
index 9e8331889b..222f981ed5 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "schedule_upgrade_to_fixed_price_annual_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.1.json
index 5892e0d8cc..eddf5c42b6 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.2.json
index 814b61bbe9..1a181200e2 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.1.json
index a039387429..7b45d07475 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 46200,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.2.json
index d523ba05ae..14d9d69545 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.3.json
index 7bbe74ef1a..ac4959d755 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.create.1.json
index 2d85c82972..070861b695 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.list.1.json
index 3cd115d703..b05e617b49 100644
--- a/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/schedule_upgrade_to_fixed_price_annual_business_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.1.json
index 031ffd6e69..86b97497db 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json
index 4513f9d222..2eea884c4e 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json
@@ -1,186 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 48000,
-          "amount_overpaid": 0,
-          "amount_paid": 48000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 1,
-          "attempted": true,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "sponsorship_access_for_realms_on_paid_plan--Customer.create.1.json",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 48000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-                "invoice": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 6,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "automatic",
-            "licenses": "6",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 48000,
-          "subtotal_excluding_tax": 48000,
-          "test_clock": null,
-          "total": 48000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 48000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 48000,
-          "attempt_count": 0,
-          "attempted": false,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +23,7 @@
           "currency": "usd",
           "customer": "sponsorship_access_for_realms_on_paid_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
@@ -251,7 +73,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +134,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "921009",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +200,42 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 48000,
+          "amount_requested": 48000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -533,7 +390,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
@@ -547,7 +404,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -702,7 +559,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -732,7 +589,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +611,7 @@
           "currency": "usd",
           "customer": "sponsorship_access_for_realms_on_paid_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +661,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +816,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +842,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +857,7 @@
           "invoice": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +889,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1003,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
@@ -1158,7 +1017,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.3.json
index 9d42eff1db..c830803297 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Event.list.3.json
@@ -1,7 +1,42 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 5000,
+          "amount_requested": 5000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.3.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +191,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.3.json",
@@ -170,7 +205,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -325,7 +360,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.3.json",
@@ -337,6 +372,185 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 48000,
+          "amount_overpaid": 0,
+          "amount_paid": 48000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 1,
+          "attempted": true,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "charge_automatically",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": null,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 48000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+                "invoice": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 6,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/sponsorship_access_for_realms_on_paid_plan--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "automatic",
+            "licenses": "6",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 48000,
+          "subtotal_excluding_tax": 48000,
+          "test_clock": null,
+          "total": 48000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 48000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": null
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 48000,
+          "attempt_count": 0,
+          "attempted": false,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "sponsorship_access_for_realms_on_paid_plan--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.create.1.json
index a6be0925c8..825d01400b 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.finalize_invoice.1.json
index 0b9021cc5d..15bb202a23 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.pay.1.json
index 83f56299c2..e2fcffc432 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--InvoiceItem.create.1.json
index 9ae0578f3f..90bb6f73f4 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.create.1.json
index 388177fd59..059dc286d6 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.list.1.json
index cbc3a5fe5e..0052e9dfa8 100644
--- a/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/sponsorship_access_for_realms_on_paid_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.1.json
index 9099b9de14..ddd2858578 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.1.json
@@ -1,32 +1,39 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "configuration": "bpc_NORMALIZED",
+          "amount_paid": 48000,
+          "amount_requested": 48000,
           "created": 1000000000,
-          "customer": "cus_NORMALIZED",
-          "flow": null,
+          "currency": "usd",
           "id": "stripe_billing_portal_urls--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "locale": null,
-          "object": "billing_portal.session",
-          "on_behalf_of": null,
-          "return_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1&setup_payment_by_invoice=false",
-          "url": "https://billing.stripe.com/p/session/test_NORMALIZED"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
         }
       },
       "id": "stripe_billing_portal_urls--Event.list.1.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
-        "id": "stripe_billing_portal_urls--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "billing_portal.session.created"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.2.json
index 47806d79f4..6c49d8ec6b 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,13 +156,13 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "stripe_billing_portal_urls--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "stripe_billing_portal_urls--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -170,7 +170,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -325,7 +325,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -348,7 +348,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -370,6 +370,7 @@
           "currency": "usd",
           "customer": "stripe_billing_portal_urls--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -419,7 +420,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -574,7 +575,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "stripe_billing_portal_urls--Event.list.2.json",
@@ -588,7 +589,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -743,7 +744,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "automatically_finalizes_at": 1000000000,
@@ -774,7 +775,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -796,6 +797,7 @@
           "currency": "usd",
           "customer": "stripe_billing_portal_urls--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -845,7 +847,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1000,7 +1002,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1026,7 +1028,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1041,6 +1043,7 @@
           "invoice": "stripe_billing_portal_urls--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1072,7 +1075,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1186,7 +1189,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "stripe_billing_portal_urls--Event.list.2.json",
@@ -1200,7 +1203,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.create.1.json
index c64599fd22..379fe48549 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.finalize_invoice.1.json
index 99211a70bc..e60557b0c7 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.pay.1.json
index 5643837f7c..384c66f8af 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 984000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--InvoiceItem.create.1.json
index 4da62f34e5..7935b1fe84 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.1.json
index 595619cb41..9c16cb05d7 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.1.json
@@ -47,7 +47,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls--billing_portal.Configuration.create.1.json",
@@ -58,6 +59,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.2.json
index 61ee6cc28f..59b72a4484 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.2.json
@@ -47,7 +47,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls--billing_portal.Configuration.create.2.json",
@@ -58,6 +59,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.3.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.3.json
index abc694b2ac..1818b5b71e 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.3.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Configuration.create.3.json
@@ -43,7 +43,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls--billing_portal.Configuration.create.3.json",
@@ -54,6 +55,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Session.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Session.create.1.json
index 8418f16272..758dd14829 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--billing_portal.Session.create.1.json
@@ -3,7 +3,7 @@
   "created": 1000000000,
   "customer": "cus_NORMALIZED",
   "flow": null,
-  "id": "stripe_billing_portal_urls--Event.list.1.json",
+  "id": "stripe_billing_portal_urls--billing_portal.Session.create.1.json",
   "livemode": false,
   "locale": null,
   "object": "billing_portal.session",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.create.1.json
index 9b6d43bdb3..d70cc62057 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.list.1.json
index 2768b453f8..b25fd55e9a 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json
index 3e72230504..e02796cc43 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.modify.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.modify.1.json
index 35fef85e46..531841e5fa 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.1.json
index c74d84222b..54d2205787 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.2.json
index c74d84222b..54d2205787 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.3.json
index c74d84222b..54d2205787 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.4.json
index c74d84222b..54d2205787 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.5.json
index c74d84222b..54d2205787 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.1.json
index cadf89d7b3..d1c126daf8 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.2.json
index c2067743ad..c8d07dd771 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 176000,
-              "authorization_code": null,
+              "authorization_code": "927776",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls_for_remote_realm--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "stripe_billing_portal_urls_for_remote_realm--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 200000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "stripe_billing_portal_urls_for_remote_realm--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 200000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "stripe_billing_portal_urls_for_remote_realm--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "stripe_billing_portal_urls_for_remote_realm--Customer.create.1.json",
@@ -1315,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.3.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.3.json
index ce52598371..d369e255c3 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls_for_remote_realm--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Invoice.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Invoice.create.1.json
index ff39b9b35f..2e1f8be426 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.1.json
index cdbebcf3da..41bc0c163e 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.2.json
index 598e0f31e3..07543cd409 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.1.json
index 5426112ca1..30c1e4aaeb 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.1.json
@@ -43,7 +43,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.1.json",
@@ -54,6 +55,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.2.json
index 88427f8b77..76b8707612 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.2.json
@@ -47,7 +47,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls_for_remote_realm--billing_portal.Configuration.create.2.json",
@@ -58,6 +59,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.1.json
index 2dfbd1f997..89d626e26d 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.1.json
@@ -8,6 +8,6 @@
   "locale": null,
   "object": "billing_portal.session",
   "on_behalf_of": null,
-  "return_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/",
+  "return_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/",
   "url": "https://billing.stripe.com/p/session/test_NORMALIZED"
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.2.json
index 7ade923ab4..4e89af4f3d 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--billing_portal.Session.create.2.json
@@ -8,6 +8,6 @@
   "locale": null,
   "object": "billing_portal.session",
   "on_behalf_of": null,
-  "return_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/",
+  "return_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/",
   "url": "https://billing.stripe.com/p/session/test_NORMALIZED"
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.create.1.json
index e91c1a31f1..85055ef11d 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.list.1.json
index 466e587057..6048eb08dc 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_realm--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.1.json
index 6efaee5c57..5bd29f916b 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.2.json
index 14a552564d..16c8895a6c 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 176000,
-              "authorization_code": null,
+              "authorization_code": "757123",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "stripe_billing_portal_urls_for_remote_server--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls_for_remote_server--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "stripe_billing_portal_urls_for_remote_server--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1092,7 +1094,7 @@
           "total_excluding_tax": 200000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "stripe_billing_portal_urls_for_remote_server--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 200000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "stripe_billing_portal_urls_for_remote_server--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.3.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.3.json
index cd085c5cc7..c1c42e0eb8 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "stripe_billing_portal_urls_for_remote_server--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Invoice.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Invoice.create.1.json
index e3e60bfd97..31be3aece4 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.1.json
index 3a6be45515..dcca97807d 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.2.json
index 7bac0c651f..253ed376e5 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.1.json
index 604b216a11..f77bf5537c 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.1.json
@@ -43,7 +43,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.1.json",
@@ -54,6 +55,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.2.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.2.json
index 6109d157e4..a818fc1a86 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.2.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.2.json
@@ -47,7 +47,8 @@
       "proration_behavior": "none",
       "schedule_at_period_end": {
         "conditions": []
-      }
+      },
+      "trial_update_behavior": "end_trial"
     }
   },
   "id": "stripe_billing_portal_urls_for_remote_server--billing_portal.Configuration.create.2.json",
@@ -58,6 +59,7 @@
     "url": null
   },
   "metadata": {},
+  "name": null,
   "object": "billing_portal.configuration",
   "updated": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.create.1.json
index 758f2f7c58..877050786b 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.list.1.json
index 7b10e559aa..1f33b38a38 100644
--- a/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/stripe_billing_portal_urls_for_remote_server--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.1.json
index 5446d34730..f2210c50ee 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json
index b49c89778c..88ea6eda70 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "858918",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.3.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.3.json
index 0b64d959f6..87ad37573b 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.1.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.1.json
index 8d6558ed9e..cf622e97ec 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.2.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.2.json
index 57f98c7c3b..bcd1721bc0 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.3.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.3.json
index e82417c338..2b3237f17a 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.1.json
index 466e9099e9..bd529933ae 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.2.json
index 07f558bf89..dc3752b828 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 112000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.3.json
index 31cabd9992..6472e29d4f 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 36610,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.4.json
index c3a682da85..bb293eb50c 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 20000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.create.1.json
index 49a7a654ad..782e30b09b 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.list.1.json
index e209dae952..cf796e9ee2 100644
--- a/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_annual_plan_to_monthly_plan_for_automatic_license_management--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.1.json
index c260f16dfa..6b1a642487 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json
index b13ada9699..2fe9d5c280 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4800,
-              "authorization_code": null,
+              "authorization_code": "672739",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -370,7 +371,7 @@
       "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +960,7 @@
           "total_excluding_tax": 4800,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 4800,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": true,
+  "has_more": false,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.3.json
index 6ecaebedec..a3128c0599 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.1.json
index 1cecd0ac1b..06a325a5da 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.2.json
index 39d7368c4f..e0d9ceeb78 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.3.json
index 95569b021d..1d1aecbf87 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.4.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.4.json
index d4d747858a..a3fb449dba 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.4.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.4.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.5.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.5.json
index 7982ecef26..028097f00f 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.5.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.create.5.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.2.json
index 9bdf8d1eec..1e66c1ac20 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.2.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 11200,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.5.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.5.json
index 5648f8ad0c..4fc4ccc396 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.5.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.finalize_invoice.5.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 240000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.list.4.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.list.4.json
index 3e07164919..7d616c4922 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.list.4.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--Invoice.list.4.json
@@ -144,7 +144,7 @@
       "total_excluding_tax": 240000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     },
     {
       "account_country": "US",
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.1.json
index 477456d998..acc0f29cca 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 4800,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.2.json
index 98ff3ef8d5..cc534eac5e 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 11200,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.3.json
index e0b8bb5ba4..a32b76e788 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 160000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.4.json
index fa29992121..49162e021b 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 40000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.5.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.5.json
index 74dc694dd6..be49a8761c 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.5.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.5.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 36830,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.6.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.6.json
index 4df51b44a7..84ae17110b 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.6.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--InvoiceItem.create.6.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 240000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.create.1.json
index ab5951efb5..fecf90a6e7 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.list.1.json
index 3d410ae308..ab0b0c7969 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_automatic_license_management--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.1.json
index d794ef4410..24d1758b12 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json
index 0da4b8e349..a2e2431142 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 28000,
-              "authorization_code": null,
+              "authorization_code": "805162",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 28000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.3.json
index cedea67e0e..149b147e54 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.1.json
index 901d7607a0..f01719f54f 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.2.json
index 5e69270637..1964beeacf 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.3.json
index 031f110e67..5d012168db 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.1.json
index 34507e4d81..2a9f3651a0 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 28000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.2.json
index e502a5001c..d533791352 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 280000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.3.json
index 731aec8442..b9f7b76a35 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 280000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.create.1.json
index fbc28781cb..37bcfac01e 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.list.1.json
index ca58701d03..510b42f7b3 100644
--- a/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_from_monthly_plan_to_annual_plan_for_manual_license_management--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--Event.list.1.json
index cc8e7e4008..9aea1b72df 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 4800,
+          "amount_requested": 4800,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "switch_now_free_trial_from_annual_to_monthly--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "switch_now_free_trial_from_annual_to_monthly--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "switch_now_free_trial_from_annual_to_monthly--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.create.1.json
index 56fc574a88..d042054e40 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.list.1.json
index 610e5580bb..d3bb14aeb2 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_annual_to_monthly--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--Event.list.1.json
index dd7b1e287a..09d49066cf 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.create.1.json
index f426578d75..c1dd27230c 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.list.1.json
index 961ba00070..210fb95ead 100644
--- a/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_now_free_trial_from_monthly_to_annual--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Customer.create_balance_transaction.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Customer.create_balance_transaction.1.json
index 83d765d497..78ab15921a 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Customer.create_balance_transaction.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Customer.create_balance_transaction.1.json
@@ -1,12 +1,12 @@
 {
-  "amount": -2219,
+  "amount": -805,
   "checkout_session": null,
   "created": 1000000000,
   "credit_note": null,
   "currency": "usd",
   "customer": "cus_NORMALIZED",
   "description": "Credit from early termination of active plan",
-  "ending_balance": -2219,
+  "ending_balance": -805,
   "id": "switch_realm_from_standard_to_plus_plan--Customer.create_balance_transaction.1.json",
   "invoice": null,
   "livemode": false,
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.1.json
index c62110833e..fe39b17f8d 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.1.json
@@ -1,44 +1,27 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "address": null,
-          "balance": 0,
+          "amount_paid": 7200,
+          "amount_requested": 7200,
           "created": 1000000000,
-          "currency": null,
-          "default_source": null,
-          "delinquent": false,
-          "description": "zulip (Zulip Dev)",
-          "discount": null,
-          "email": "hamlet@zulip.com",
-          "id": "switch_realm_from_standard_to_plus_plan--Customer.create.1.json",
-          "invoice_prefix": "NORMALIZED",
-          "invoice_settings": {
-            "custom_fields": null,
-            "default_payment_method": "pm_NORMALIZED",
-            "footer": null,
-            "rendering_options": null
-          },
+          "currency": "usd",
+          "id": "switch_realm_from_standard_to_plus_plan--Event.list.1.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "realm_id": "1",
-            "realm_str": "zulip"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "name": null,
-          "next_invoice_sequence": 1,
-          "object": "customer",
-          "phone": null,
-          "preferred_locales": [],
-          "shipping": null,
-          "tax_exempt": "none",
-          "test_clock": null
-        },
-        "previous_attributes": {
-          "invoice_settings": {
-            "default_payment_method": null
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
           }
         }
       },
@@ -47,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "switch_realm_from_standard_to_plus_plan--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "customer.updated"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.2.json
index 860251a509..973263cb04 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -172,7 +172,7 @@
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "switch_realm_from_standard_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "330222",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -370,7 +371,7 @@
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -533,7 +534,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -702,7 +703,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "switch_realm_from_standard_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +960,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.3.json
index dd1e109a9d..66d419aa4c 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.3.json",
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -325,7 +325,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "switch_realm_from_standard_to_plus_plan--Event.list.3.json",
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.1.json
index 9c8fd4c1d2..f5f7718ad2 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.2.json
index dc00d9a35c..a105a40229 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.create.2.json
@@ -84,7 +84,7 @@
   },
   "shipping_cost": null,
   "shipping_details": null,
-  "starting_balance": -2219,
+  "starting_balance": -805,
   "statement_descriptor": "Zulip Cloud Plus",
   "status": "draft",
   "status_transitions": {
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.1.json
index a3a3a2bc00..b0307cad51 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.2.json
index 3a3058e5b7..daac9cd340 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.finalize_invoice.2.json
@@ -2,10 +2,10 @@
   "account_country": "US",
   "account_name": "NORMALIZED",
   "account_tax_ids": null,
-  "amount_due": 117781,
+  "amount_due": 119195,
   "amount_overpaid": 0,
   "amount_paid": 0,
-  "amount_remaining": 117781,
+  "amount_remaining": 119195,
   "amount_shipping": 0,
   "application": null,
   "attempt_count": 0,
@@ -125,7 +125,7 @@
   },
   "shipping_cost": null,
   "shipping_details": null,
-  "starting_balance": -2219,
+  "starting_balance": -805,
   "statement_descriptor": "Zulip Cloud Plus",
   "status": "open",
   "status_transitions": {
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.pay.1.json
index 4dfb40b9ca..9817eee038 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.1.json
index 0fa9ae384e..2bf715cbc6 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.2.json
index 032a68c4f5..7c9fa5072e 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.create.1.json
index 8beaf07902..16959bd487 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.list.1.json
index 16d17c2f7c..9ac545cccf 100644
--- a/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/switch_realm_from_standard_to_plus_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.1.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.1.json
index e2fcc8562d..c524c022e6 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json
index fa736801fe..3f34f9ab67 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json
@@ -1,185 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 800000,
-          "amount_overpaid": 0,
-          "amount_paid": 800000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "update_licenses_of_manual_plan_from_billing_page--Customer.create.1.json",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 800000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-                "invoice": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 100,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "manual",
-            "licenses": "100",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 800000,
-          "subtotal_excluding_tax": 800000,
-          "test_clock": null,
-          "total": 800000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 800000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 800000,
-          "auto_advance": true,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +23,7 @@
           "currency": "usd",
           "customer": "update_licenses_of_manual_plan_from_billing_page--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +73,42 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 28000,
+          "amount_requested": 28000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -419,7 +277,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -605,7 +463,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +485,7 @@
           "currency": "usd",
           "customer": "update_licenses_of_manual_plan_from_billing_page--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +535,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -857,7 +716,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +731,7 @@
           "invoice": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 800000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +763,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +877,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
@@ -1031,7 +891,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +941,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.3.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.3.json
index 564477a416..aa4d6e79a0 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -168,6 +168,184 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 800000,
+          "amount_overpaid": 0,
+          "amount_paid": 800000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 800000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+                "invoice": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 100,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/update_licenses_of_manual_plan_from_billing_page--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "manual",
+            "licenses": "100",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 800000,
+          "subtotal_excluding_tax": 800000,
+          "test_clock": null,
+          "total": 800000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 800000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 800000,
+          "auto_advance": true,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "update_licenses_of_manual_plan_from_billing_page--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.1.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.1.json
index fdb39228d7..338d4004e6 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.2.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.2.json
index 8e3b78f60d..aa3a65bb17 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.3.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.3.json
index e63190bbed..86943d38fd 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.3.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.4.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.4.json
index f716d8964d..3e7cf93574 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.4.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--Invoice.create.4.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.1.json
index b0eab6bdef..904292e11b 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 800000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.2.json
index a32bd3a3e0..3418aa3415 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 400000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.3.json
index 207173d5c6..60f2195b84 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 1200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.4.json b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.4.json
index a3dec6b01b..ae39c3ad48 100644
--- a/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.4.json
+++ b/corporate/tests/stripe_fixtures/update_licenses_of_manual_plan_from_billing_page--InvoiceItem.create.4.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 960000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Charge.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Charge.list.1.json
index 29955545eb..6ef6f5a748 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 48000,
-          "authorization_code": null,
+          "authorization_code": "037102",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.1.json
index f97c074010..ed6c9753aa 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.2.json
index 71f2318213..0a4d394cef 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.3.json
index 6e7252ae64..bbd1f6a727 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card--Event.list.3.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_by_card--Charge.list.1.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "037102",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card--Event.list.3.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +960,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "upgrade_by_card--Event.list.3.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card--Event.list.3.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1211,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.4.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.4.json
index f6e3f564b9..9794ee70bc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Event.list.4.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--Invoice.create.1.json
index 25b128b92c..10d88b5437 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--InvoiceItem.create.1.json
index fdb49752ec..232c162870 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.create.1.json
index 6f9ecc5ef7..ea9d51b2b6 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.list.1.json
index 6e3d005a86..67c04bc1da 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Charge.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Charge.list.1.json
index 816bd03a32..54c9ef48e5 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 120000,
-          "authorization_code": null,
+          "authorization_code": "356934",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.1.json
index c886dbcb8c..14ddb62185 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.2.json
index e20ab42036..1e3c9a7057 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -172,7 +172,7 @@
       "id": "upgrade_by_card_to_plus_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_by_card_to_plus_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_by_card_to_plus_plan--Charge.list.1.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 120000,
-              "authorization_code": null,
+              "authorization_code": "356934",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "upgrade_by_card_to_plus_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 120000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_to_plus_plan--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.3.json
index 86f85fd628..88b7edc36f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Invoice.create.1.json
index f896bad5fb..a9b587d4eb 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--InvoiceItem.create.1.json
index 2af6727d3a..6e33e18a0c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 120000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.create.1.json
index e897753745..98d11f099a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.list.1.json
index 3ae04ecd0e..c3f658ccf4 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_to_plus_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Charge.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Charge.list.1.json
index 2bc392b171..888640a360 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 48000,
-          "authorization_code": null,
+          "authorization_code": "433764",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.1.json
index 0e6fc13b8d..fede5e2a0f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json
index 0fdf4cbe1c..2c518070a8 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "433764",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,168 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 1200000,
+          "amount_overpaid": 0,
+          "amount_paid": 0,
+          "amount_remaining": 1200000,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": true,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 1200000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard - renewal",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+                "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1388631845,
+                  "start": 1357095845
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 150,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {},
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "open",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": null,
+            "voided_at": null
+          },
+          "subtotal": 1200000,
+          "subtotal_excluding_tax": 1200000,
+          "test_clock": null,
+          "total": 1200000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 1200000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        }
+      },
+      "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice.sent"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -297,7 +458,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -482,7 +643,168 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 960000,
+          "amount_overpaid": 0,
+          "amount_paid": 0,
+          "amount_remaining": 960000,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": true,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 960000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard - renewal",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+                "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1420167845,
+                  "start": 1388631845
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 120,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {},
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "open",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": null,
+            "voided_at": null
+          },
+          "subtotal": 960000,
+          "subtotal_excluding_tax": 960000,
+          "test_clock": null,
+          "total": 960000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 960000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        }
+      },
+      "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice.sent"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -504,6 +826,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_with_outdated_lower_seat_count--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -553,7 +876,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -734,7 +1057,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -749,6 +1072,7 @@
           "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -780,168 +1104,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 400000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 400000,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 400000,
-                "currency": "usd",
-                "description": "Additional license (Jan 2, 2012 - Jan 2, 2013)",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-                "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 50,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 400000,
-          "subtotal_excluding_tax": 400000,
-          "test_clock": null,
-          "total": 400000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 400000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": null,
-        "idempotency_key": null
-      },
-      "type": "invoice.sent"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1055,7 +1218,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
@@ -1069,7 +1232,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1117,167 +1280,6 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "customer.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 1200000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 1200000,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 1200000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard - renewal",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-                "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1388631845,
-                  "start": 1357095845
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 150,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 1200000,
-          "subtotal_excluding_tax": 1200000,
-          "test_clock": null,
-          "total": 1200000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 1200000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": null,
-        "idempotency_key": null
-      },
-      "type": "invoice.sent"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.3.json
index e22668760e..2bd6facc06 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -339,7 +339,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -518,7 +518,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -540,6 +540,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json
index 6277a38747..6d922067af 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json
@@ -1,167 +1,5 @@
 {
-  "data": [
-    {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 960000,
-          "amount_overpaid": 0,
-          "amount_paid": 0,
-          "amount_remaining": 960000,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": true,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 960000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard - renewal",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json",
-                "invoice": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1420167845,
-                  "start": 1388631845
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 120,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json/lines"
-          },
-          "livemode": false,
-          "metadata": {},
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "open",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": null,
-            "voided_at": null
-          },
-          "subtotal": 960000,
-          "subtotal_excluding_tax": 960000,
-          "test_clock": null,
-          "total": 960000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 960000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        }
-      },
-      "id": "upgrade_by_card_with_outdated_lower_seat_count--Event.list.4.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": null,
-        "idempotency_key": null
-      },
-      "type": "invoice.sent"
-    }
-  ],
+  "data": [],
   "has_more": false,
   "object": "list",
   "url": "/v1/events"
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.5.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.5.json
deleted file mode 100644
index 6d922067af..0000000000
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Event.list.5.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "data": [],
-  "has_more": false,
-  "object": "list",
-  "url": "/v1/events"
-}
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Invoice.create.1.json
index 50eeee48e1..6a0e0b4847 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--InvoiceItem.create.1.json
index 7ce2accd70..955f25b825 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.create.1.json
index 67daaac56f..056a596b4d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.list.1.json
index 08c7f521f4..5875a147f8 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_lower_seat_count--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Charge.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Charge.list.1.json
index eb92ab94c5..aa1bb46f3d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 48000,
-          "authorization_code": null,
+          "authorization_code": "989631",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.1.json
index d876497a37..1afca1fc9d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.2.json
index 0f880d3cf7..eefa27e8ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_with_outdated_seat_count--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_seat_count--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_by_card_with_outdated_seat_count--Charge.list.1.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "989631",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -533,7 +534,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.2.json",
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -702,7 +703,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_with_outdated_seat_count--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_seat_count--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +960,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "upgrade_by_card_with_outdated_seat_count--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.3.json
index 9056e54df0..1a05c7381d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.3.json",
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -325,7 +325,7 @@
           "total_excluding_tax": 48000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.3.json",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.4.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.4.json
index d87a45b377..ed166e6adb 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Event.list.4.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -162,7 +162,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -332,7 +332,7 @@
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.4.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_by_card_with_outdated_seat_count--Event.list.4.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -340,7 +340,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -362,6 +362,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_seat_count--Event.list.4.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -411,7 +412,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -584,7 +585,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -599,6 +600,7 @@
           "invoice": "upgrade_by_card_with_outdated_seat_count--Event.list.4.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 136000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -630,7 +632,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -736,7 +738,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count--Event.list.4.json",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.1.json
index 9060c096f6..ac549492e1 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.2.json
index 2924205a98..a7880ac555 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.finalize_invoice.1.json
index 831b613063..2e18d09563 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.list.2.json
index f07f0f57ab..55b8b97096 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.list.2.json
@@ -298,7 +298,7 @@
       "total_excluding_tax": 48000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.pay.1.json
index 6849c6248c..1f963f3aae 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 48000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.1.json
index dc1243d991..ed024ae74c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.2.json
index 9255dcc2e0..3a18615980 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 136000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.create.1.json
index f9cf9b7f69..8a9ab49e6e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.list.1.json
index e8ab8c693c..71c3be10ad 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Charge.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Charge.list.1.json
index 828d6a085f..49b8aa745e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Charge.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Charge.list.1.json
@@ -58,7 +58,7 @@
       "payment_method_details": {
         "card": {
           "amount_authorized": 40000,
-          "authorization_code": null,
+          "authorization_code": "409943",
           "brand": "visa",
           "checks": {
             "address_line1_check": "pass",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.1.json
index f6f739a97a..fdb61e6cde 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json
index 939bb7eaa7..9b49a8ce7a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json
@@ -1,186 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 40000,
-          "amount_overpaid": 0,
-          "amount_paid": 40000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 1,
-          "attempted": true,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Customer.create.1.json",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 40000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-                "invoice": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 5,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "automatic",
-            "licenses": "5",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 40000,
-          "subtotal_excluding_tax": 40000,
-          "test_clock": null,
-          "total": 40000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 40000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 40000,
-          "attempt_count": 0,
-          "attempted": false,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +23,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Charge.list.1.json",
@@ -251,7 +73,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +134,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 40000,
-              "authorization_code": null,
+              "authorization_code": "409943",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +200,42 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 48000,
+          "amount_requested": 48000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -533,7 +390,7 @@
           "total_excluding_tax": 40000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
@@ -547,7 +404,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -702,7 +559,7 @@
           "total_excluding_tax": 40000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "effective_at": null,
@@ -732,7 +589,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +611,7 @@
           "currency": "usd",
           "customer": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +661,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -958,7 +816,7 @@
           "total_excluding_tax": 40000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -984,7 +842,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +857,7 @@
           "invoice": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 40000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +889,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1003,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
@@ -1158,7 +1017,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1208,7 +1067,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json
index fad6a6d07d..35543e58f3 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json
@@ -1,7 +1,42 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 120000,
+          "amount_requested": 120000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +191,7 @@
           "total_excluding_tax": 40000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json",
@@ -170,7 +205,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -325,7 +360,7 @@
           "total_excluding_tax": 40000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json",
@@ -337,6 +372,185 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 40000,
+          "amount_overpaid": 0,
+          "amount_paid": 40000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 1,
+          "attempted": true,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "charge_automatically",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": null,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 40000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+                "invoice": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 5,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "automatic",
+            "licenses": "5",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 40000,
+          "subtotal_excluding_tax": 40000,
+          "test_clock": null,
+          "total": 40000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 40000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": null
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 40000,
+          "attempt_count": 0,
+          "attempted": false,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.create.1.json
index 23de27d530..8d666e3ae4 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.finalize_invoice.1.json
index 5e5e9ce45f..39bfc09f80 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 40000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.list.2.json
index 16264418a7..d0a9d9a09d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.list.2.json
@@ -152,7 +152,7 @@
       "total_excluding_tax": 40000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.pay.1.json
index eaee219c30..b5006f8fb0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 40000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--InvoiceItem.create.1.json
index 92f5d64305..8ebb692856 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 40000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.create.1.json
index e625423a75..35fcc86cea 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.list.1.json
index d9f0276bcb..2b537308c1 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_card_with_outdated_seat_count_and_minimum_for_plan_tier--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.1.json
index 0bd79d8b86..8397990a78 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.1.json
@@ -1,162 +1,28 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 40000,
-          "amount_overpaid": 0,
-          "amount_paid": 40000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 1,
-          "attempted": true,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
+          "amount_paid": 120000,
+          "amount_requested": 120000,
           "created": 1000000000,
           "currency": "usd",
-          "custom_fields": null,
-          "customer": "cus_NORMALIZED",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
           "id": "upgrade_by_invoice--Event.list.1.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 40000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_by_invoice--Event.list.1.json",
-                "invoice": "upgrade_by_invoice--Event.list.1.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "ii_NORMALIZED",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 5,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_by_invoice--Event.list.1.json/lines"
-          },
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
           "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "automatic",
-            "licenses": "5",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
           },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
           "status": "paid",
           "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 40000,
-          "subtotal_excluding_tax": 40000,
-          "test_clock": null,
-          "total": 40000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 40000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
         }
       },
       "id": "upgrade_by_invoice--Event.list.1.json",
@@ -164,10 +30,10 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "upgrade_by_invoice--Event.list.1.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+        "id": null,
+        "idempotency_key": null
       },
-      "type": "invoice.payment_succeeded"
+      "type": "invoice_payment.paid"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.2.json
index 5845f9a5ee..ffc7d1c256 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -171,7 +171,7 @@
       "id": "upgrade_by_invoice--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_by_invoice--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "upgrade_by_invoice--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_invoice--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +251,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -419,7 +420,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -605,7 +606,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +628,7 @@
           "currency": "usd",
           "customer": "upgrade_by_invoice--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_invoice--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +678,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +833,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +859,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +874,7 @@
           "invoice": "upgrade_by_invoice--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +906,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +1020,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_invoice--Event.list.2.json",
@@ -1031,7 +1034,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +1084,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.3.json
index a62e20ba83..f810533463 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Invoice.create.1.json
index 751a5970e9..dea39f9c15 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice--InvoiceItem.create.1.json
index dfdd4bbff6..1a5f1b4fed 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.1.json
index 65e9dcd648..6c8c0952af 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.2.json
index e72a6aa272..348e28d71d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 1476000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -171,7 +171,7 @@
       "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "upgrade_by_invoice_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +251,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -405,7 +406,7 @@
           "total_excluding_tax": 1476000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
@@ -419,7 +420,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -574,7 +575,7 @@
           "total_excluding_tax": 1476000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "automatically_finalizes_at": 1000000000,
@@ -605,7 +606,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +628,7 @@
           "currency": "usd",
           "customer": "upgrade_by_invoice_to_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +678,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +833,7 @@
           "total_excluding_tax": 1476000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +859,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +874,7 @@
           "invoice": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 1476000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +906,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +1020,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_invoice_to_plus_plan--Event.list.2.json",
@@ -1031,7 +1034,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +1084,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.3.json
index ad5dd1ad53..c333436bd9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 1476000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_by_invoice_to_plus_plan--Event.list.3.json",
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.create.1.json
index 54da755b30..6f9e133171 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.finalize_invoice.1.json
index f6088207e4..70aa5bca0f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 1476000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.list.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.list.1.json
index afbcc08bee..30b0cf647c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.list.1.json
@@ -152,7 +152,7 @@
       "total_excluding_tax": 1476000,
       "total_pretax_credit_amounts": [],
       "total_taxes": [],
-      "webhooks_delivered_at": 1000000000
+      "webhooks_delivered_at": null
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.pay.1.json
index ee152bddce..5ca76e6496 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 1476000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--InvoiceItem.create.1.json
index c5f4bd2f97..83e2509ba4 100644
--- a/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_by_invoice_to_plus_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 1476000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.create.1.json
index 02b847874b..3e52bcfd22 100644
--- a/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.list.1.json
index 6d51d4ab03..d1c0f1fea8 100644
--- a/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_complimentary_access_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.create.1.json
index 69f35a3e62..d1fb95e32c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.list.1.json
index bbd7b382d5..9b6fae0bd0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_license_counts--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.create.1.json
index 1b40986dbb..891fe1abfa 100644
--- a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.finalize_invoice.1.json
index 62e378ae9b..f6c1f262e1 100644
--- a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 320000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.refresh.1.json b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.refresh.1.json
index 62e378ae9b..f6c1f262e1 100644
--- a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.refresh.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.refresh.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 320000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.retrieve.1.json b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.retrieve.1.json
index 62e378ae9b..f6c1f262e1 100644
--- a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--Invoice.retrieve.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 320000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--InvoiceItem.create.1.json
index a3c73d4705..0ae07de286 100644
--- a/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_pay_by_invoice--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 320000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.1.json
index 636bb03d2f..dfe1bfd120 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.2.json
index 15e75fc3d2..1cbdd76def 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -180,7 +180,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -202,6 +202,7 @@
           "currency": "usd",
           "customer": "upgrade_race_condition_during_card_upgrade--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_race_condition_during_card_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_race_condition_during_card_upgrade--Event.list.2.json",
@@ -251,7 +252,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +313,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 48000,
-              "authorization_code": null,
+              "authorization_code": "070062",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -378,7 +379,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -547,7 +548,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -732,7 +733,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -754,6 +755,7 @@
           "currency": "usd",
           "customer": "upgrade_race_condition_during_card_upgrade--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_race_condition_during_card_upgrade--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -803,7 +805,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -984,7 +986,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -999,6 +1001,7 @@
           "invoice": "upgrade_race_condition_during_card_upgrade--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 48000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1030,7 +1033,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1144,7 +1147,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_race_condition_during_card_upgrade--Event.list.2.json",
@@ -1158,7 +1161,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.3.json
index 0cd4cb90e8..3c30679c70 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -170,7 +170,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Invoice.create.1.json
index a7c2ac4430..27f88242b9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--InvoiceItem.create.1.json
index 02ae3239fe..de70be3810 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 48000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.create.1.json
index 0db606afc1..5a56f7cc04 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.list.1.json
index 1f46955870..f116e4db11 100644
--- a/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_race_condition_during_card_upgrade--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json
index c93e52770d..cbf422a0df 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.modify.1.json
index c37581e372..417f384c28 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.1.json
index fa4cc1317d..5b6f56e4ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.2.json
index fa4cc1317d..5b6f56e4ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.3.json
index fa4cc1317d..5b6f56e4ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.4.json
index fa4cc1317d..5b6f56e4ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.5.json
index fa4cc1317d..5b6f56e4ab 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.6.json
index 1f99eb86a5..7d61fb1c45 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.7.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.7.json
index 1f99eb86a5..7d61fb1c45 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.7.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Customer.retrieve.7.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.1.json
index 900fc12031..de156483c3 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json
index 31530d8cf5..24389412a9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json
@@ -1,134 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "amount": 1850,
-          "amount_captured": 1850,
-          "amount_refunded": 0,
-          "application": null,
-          "application_fee": null,
-          "application_fee_amount": null,
-          "balance_transaction": "txn_NORMALIZED",
-          "billing_details": {
-            "address": {
-              "city": "San Francisco",
-              "country": "US",
-              "line1": "123 Main St",
-              "line2": null,
-              "postal_code": "12345",
-              "state": "CA"
-            },
-            "email": null,
-            "name": "John Doe",
-            "phone": null,
-            "tax_id": null
-          },
-          "calculated_statement_descriptor": "ZULIP BASIC",
-          "captured": true,
-          "created": 1000000000,
-          "currency": "usd",
-          "customer": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
-          "description": "Payment for Invoice",
-          "destination": null,
-          "dispute": null,
-          "disputed": false,
-          "failure_balance_transaction": null,
-          "failure_code": null,
-          "failure_message": null,
-          "fraud_details": {},
-          "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
-          "livemode": false,
-          "metadata": {},
-          "object": "charge",
-          "on_behalf_of": null,
-          "order": null,
-          "outcome": {
-            "advice_code": null,
-            "network_advice_code": null,
-            "network_decline_code": null,
-            "network_status": "approved_by_network",
-            "reason": null,
-            "risk_level": "normal",
-            "risk_score": 0,
-            "seller_message": "Payment complete.",
-            "type": "authorized"
-          },
-          "paid": true,
-          "payment_intent": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
-          "payment_method": "pm_NORMALIZED",
-          "payment_method_details": {
-            "card": {
-              "amount_authorized": 1850,
-              "authorization_code": null,
-              "brand": "visa",
-              "checks": {
-                "address_line1_check": "pass",
-                "address_postal_code_check": "pass",
-                "cvc_check": "pass"
-              },
-              "country": "US",
-              "exp_month": 1,
-              "exp_year": 9999,
-              "extended_authorization": {
-                "status": "disabled"
-              },
-              "fingerprint": "NORMALIZED",
-              "funding": "credit",
-              "incremental_authorization": {
-                "status": "unavailable"
-              },
-              "installments": null,
-              "last4": "4242",
-              "mandate": null,
-              "multicapture": {
-                "status": "unavailable"
-              },
-              "network": "visa",
-              "network_token": {
-                "used": false
-              },
-              "network_transaction_id": "100110997670110",
-              "overcapture": {
-                "maximum_amount_capturable": 1850,
-                "status": "unavailable"
-              },
-              "regulated_status": "unregulated",
-              "three_d_secure": null,
-              "wallet": null
-            },
-            "type": "card"
-          },
-          "radar_options": {},
-          "receipt_email": "hamlet@zulip.com",
-          "receipt_number": null,
-          "receipt_url": "https://pay.stripe.com/receipts/invoices/NORMALIZED?s=ap",
-          "refunded": false,
-          "review": null,
-          "shipping": null,
-          "source": null,
-          "source_transfer": null,
-          "statement_descriptor": "Zulip Basic",
-          "statement_descriptor_suffix": null,
-          "status": "succeeded",
-          "transfer_data": null,
-          "transfer_group": null
-        }
-      },
-      "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "charge.succeeded"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +209,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +433,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +455,7 @@
           "currency": "usd",
           "customer": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +505,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +766,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +781,7 @@
           "invoice": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +813,42 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 22200,
+          "amount_requested": 22200,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1028,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1043,7 @@
           "invoice": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 3850,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1075,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1188,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
@@ -1291,7 +1202,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1212,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Customer.create.1.json",
@@ -1315,7 +1226,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json
index c0d9a8de9c..0e1736cfda 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -203,13 +203,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -411,13 +411,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -629,13 +629,13 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,9 +657,10 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
-          "latest_charge": "ch_NORMALIZED",
+          "latest_charge": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
           "livemode": false,
           "metadata": {},
           "next_action": null,
@@ -700,10 +701,137 @@
       "object": "event",
       "pending_webhooks": 0,
       "request": {
-        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "payment_intent.succeeded"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount": 1850,
+          "amount_captured": 1850,
+          "amount_refunded": 0,
+          "application": null,
+          "application_fee": null,
+          "application_fee_amount": null,
+          "balance_transaction": "txn_NORMALIZED",
+          "billing_details": {
+            "address": {
+              "city": "San Francisco",
+              "country": "US",
+              "line1": "123 Main St",
+              "line2": null,
+              "postal_code": "12345",
+              "state": "CA"
+            },
+            "email": null,
+            "name": "John Doe",
+            "phone": null,
+            "tax_id": null
+          },
+          "calculated_statement_descriptor": "ZULIP BASIC",
+          "captured": true,
+          "created": 1000000000,
+          "currency": "usd",
+          "customer": "cus_NORMALIZED",
+          "description": "Payment for Invoice",
+          "destination": null,
+          "dispute": null,
+          "disputed": false,
+          "failure_balance_transaction": null,
+          "failure_code": null,
+          "failure_message": null,
+          "fraud_details": {},
+          "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
+          "livemode": false,
+          "metadata": {},
+          "object": "charge",
+          "on_behalf_of": null,
+          "order": null,
+          "outcome": {
+            "advice_code": null,
+            "network_advice_code": null,
+            "network_decline_code": null,
+            "network_status": "approved_by_network",
+            "reason": null,
+            "risk_level": "normal",
+            "risk_score": 0,
+            "seller_message": "Payment complete.",
+            "type": "authorized"
+          },
+          "paid": true,
+          "payment_intent": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.2.json",
+          "payment_method": "pm_NORMALIZED",
+          "payment_method_details": {
+            "card": {
+              "amount_authorized": 1850,
+              "authorization_code": "212474",
+              "brand": "visa",
+              "checks": {
+                "address_line1_check": "pass",
+                "address_postal_code_check": "pass",
+                "cvc_check": "pass"
+              },
+              "country": "US",
+              "exp_month": 1,
+              "exp_year": 9999,
+              "extended_authorization": {
+                "status": "disabled"
+              },
+              "fingerprint": "NORMALIZED",
+              "funding": "credit",
+              "incremental_authorization": {
+                "status": "unavailable"
+              },
+              "installments": null,
+              "last4": "4242",
+              "mandate": null,
+              "multicapture": {
+                "status": "unavailable"
+              },
+              "network": "visa",
+              "network_token": {
+                "used": false
+              },
+              "network_transaction_id": "100110997670110",
+              "overcapture": {
+                "maximum_amount_capturable": 1850,
+                "status": "unavailable"
+              },
+              "regulated_status": "unregulated",
+              "three_d_secure": null,
+              "wallet": null
+            },
+            "type": "card"
+          },
+          "radar_options": {},
+          "receipt_email": "hamlet@zulip.com",
+          "receipt_number": null,
+          "receipt_url": "https://pay.stripe.com/receipts/invoices/NORMALIZED?s=ap",
+          "refunded": false,
+          "review": null,
+          "shipping": null,
+          "source": null,
+          "source_transfer": null,
+          "statement_descriptor": "Zulip Basic",
+          "statement_descriptor_suffix": null,
+          "status": "succeeded",
+          "transfer_data": null,
+          "transfer_group": null
+        }
+      },
+      "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "upgrade_remote_realm_user_to_monthly_basic_plan--Event.list.3.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "charge.succeeded"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Invoice.create.1.json
index 0d11b3f91e..2e6f5be607 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.1.json
index fbe1001862..7417d7d04f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 3850,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.2.json
index 3c919e0a77..cd2dfb2215 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.create.1.json
index 0bad1b57dc..636a7ef97d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.list.1.json
index 861c5bd3b8..ef674a816c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_remote_realm_user_to_monthly_basic_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.1.json
index 3226a61ce1..ef9d11a530 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json
index bd0afdb92a..f79fef771c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json
@@ -1,185 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 10000,
-          "amount_overpaid": 0,
-          "amount_paid": 10000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 1,
-          "attempted": true,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "charge_automatically",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "upgrade_server_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
-          "discounts": [],
-          "due_date": null,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 10000,
-                "currency": "usd",
-                "description": "Zulip Basic",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-                "invoice": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "10000"
-                },
-                "quantity": 1,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "2",
-            "current_plan_id": "None",
-            "license_management": "automatic",
-            "licenses": "18",
-            "on_free_trial": "False",
-            "plan_tier": "103"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Basic",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 10000,
-          "subtotal_excluding_tax": 10000,
-          "test_clock": null,
-          "total": 10000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 10000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": null
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 10000,
-          "attempt_count": 0,
-          "attempted": false,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 2,
-      "request": {
-        "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -243,7 +65,7 @@
       "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 1,
+      "pending_webhooks": 0,
       "request": {
         "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -251,7 +73,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -312,7 +134,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 10000,
-              "authorization_code": "858239",
+              "authorization_code": "643507",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -340,7 +162,7 @@
               "network_token": {
                 "used": false
               },
-              "network_transaction_id": "749857738210088",
+              "network_transaction_id": "100110997670110",
               "overcapture": {
                 "maximum_amount_capturable": 10000,
                 "status": "unavailable"
@@ -370,7 +192,7 @@
       "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 2,
+      "pending_webhooks": 0,
       "request": {
         "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -378,7 +200,42 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "amount_paid": 176000,
+          "amount_requested": 176000,
+          "created": 1000000000,
+          "currency": "usd",
+          "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+          "invoice": "in_NORMALIZED",
+          "is_default": true,
+          "livemode": false,
+          "object": "invoice_payment",
+          "payment": {
+            "payment_intent": "pi_NORMALIZED",
+            "type": "payment_intent"
+          },
+          "status": "paid",
+          "status_transitions": {
+            "canceled_at": null,
+            "paid_at": 1000000000
+          }
+        }
+      },
+      "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice_payment.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -418,7 +275,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": 1000000000,
@@ -532,7 +389,7 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         }
       },
       "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
@@ -546,7 +403,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -586,7 +443,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": 1000000000,
@@ -700,7 +557,7 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         },
         "previous_attributes": {
           "effective_at": null,
@@ -730,7 +587,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -802,7 +659,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -842,7 +699,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": null,
@@ -956,7 +813,7 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -982,7 +839,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -997,6 +854,7 @@
           "invoice": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 10000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1028,7 +886,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1068,7 +926,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": null,
@@ -1155,7 +1013,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1205,7 +1063,7 @@
       "type": "customer.updated"
     }
   ],
-  "has_more": false,
+  "has_more": true,
   "object": "list",
   "url": "/v1/events"
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json
index ca1da9db16..4952553806 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -41,7 +41,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": 1000000000,
@@ -155,13 +155,13 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         }
       },
       "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 2,
+      "pending_webhooks": 0,
       "request": {
         "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -169,7 +169,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
           "default_payment_method": null,
           "default_source": null,
           "default_tax_rates": [],
-          "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+          "description": null,
           "discounts": [],
           "due_date": null,
           "effective_at": 1000000000,
@@ -323,18 +323,196 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": null
+          "webhooks_delivered_at": 1000000000
         }
       },
       "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 1,
+      "pending_webhooks": 0,
       "request": {
         "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 10000,
+          "amount_overpaid": 0,
+          "amount_paid": 10000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 1,
+          "attempted": true,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "charge_automatically",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": null,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 10000,
+                "currency": "usd",
+                "description": "Zulip Basic",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+                "invoice": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "10000"
+                },
+                "quantity": 1,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "2",
+            "current_plan_id": "None",
+            "license_management": "automatic",
+            "licenses": "18",
+            "on_free_trial": "False",
+            "plan_tier": "103"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Basic",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 10000,
+          "subtotal_excluding_tax": 10000,
+          "test_clock": null,
+          "total": 10000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 10000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 10000,
+          "attempt_count": 0,
+          "attempted": false,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "upgrade_server_to_fixed_price_monthly_basic_plan--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
index b36ec163ca..1e041caa6a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": null,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.2.json
index b5c581a40b..c04cc144ea 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.2.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": null,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.3.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.3.json
index 7abdad728f..1f0e86cfdd 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.create.3.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": null,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.1.json
index aba3c72ca0..c6c6eef03e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.1.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": 1000000000,
@@ -149,5 +149,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": null
+  "webhooks_delivered_at": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.2.json
index 08b13a9a7d..3f3315e0d3 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.2.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": 1000000000,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.3.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.3.json
index 13b099138d..32b728c1bf 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.finalize_invoice.3.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": 1000000000,
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.pay.1.json
index b4d3a5d361..2765e19590 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--Invoice.pay.1.json
@@ -35,7 +35,7 @@
   "default_payment_method": null,
   "default_source": null,
   "default_tax_rates": [],
-  "description": "If paying by bank transfer outside of the US, use the OUR option for who should pay bank transfer fees, to make sure that your invoice is paid in full.",
+  "description": null,
   "discounts": [],
   "due_date": null,
   "effective_at": 1000000000,
@@ -149,5 +149,5 @@
   "total_excluding_tax": 10000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": null
+  "webhooks_delivered_at": 1000000000
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
index 94d1ace399..d8c96e20d5 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.2.json
index 329eff414b..2ac0d71e17 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.3.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.3.json
index 165877e003..047ac7aeaa 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--InvoiceItem.create.3.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
index 8e74c672f6..eb5f3ab603 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
@@ -13,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -35,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -50,7 +69,7 @@
   "livemode": false,
   "locale": null,
   "metadata": {
-    "remote_server_user_id": "1",
+    "remote_server_user_id": "15",
     "type": "card_update"
   },
   "mode": "setup",
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
index c385d9e6c8..9716ef286e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
@@ -15,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -37,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -52,7 +71,7 @@
       "livemode": false,
       "locale": null,
       "metadata": {
-        "remote_server_user_id": "1",
+        "remote_server_user_id": "15",
         "type": "card_update"
       },
       "mode": "setup",
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.1.json
index 456c0df1c7..73e2837af0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.2.json
index 96fb578720..6694898af2 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 4300,
-              "authorization_code": null,
+              "authorization_code": "869905",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -120,7 +120,7 @@
       "id": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "upgrade_server_user_to_monthly_basic_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -2000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 6300,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.3.json
index 286179a969..dafdd76d3b 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_server_user_to_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Invoice.create.1.json
index 4214192451..4f6e3fd15c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.1.json
index a7b705d8a8..c5c6931c5a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6300,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.2.json
index b003ab3525..9dd6f26f17 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -2000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.create.1.json
index 4546b28023..0aee63066a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.list.1.json
index d90b8ef18a..1035dd273f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_server_user_to_monthly_basic_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.1.json
index e550129a34..6b636b7e5e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.2.json
index 8a3ceb3f3a..4c90db86c0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.2.json
@@ -1,185 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
-      "created": 1000000000,
-      "data": {
-        "object": {
-          "account_country": "US",
-          "account_name": "NORMALIZED",
-          "account_tax_ids": null,
-          "amount_due": 984000,
-          "amount_overpaid": 0,
-          "amount_paid": 984000,
-          "amount_remaining": 0,
-          "amount_shipping": 0,
-          "application": null,
-          "attempt_count": 0,
-          "attempted": false,
-          "auto_advance": false,
-          "automatic_tax": {
-            "disabled_reason": null,
-            "enabled": false,
-            "liability": null,
-            "provider": null,
-            "status": null
-          },
-          "automatically_finalizes_at": null,
-          "billing_reason": "manual",
-          "collection_method": "send_invoice",
-          "created": 1000000000,
-          "currency": "usd",
-          "custom_fields": null,
-          "customer": "upgrade_to_fixed_price_plus_plan--Customer.create.1.json",
-          "customer_address": null,
-          "customer_email": "hamlet@zulip.com",
-          "customer_name": null,
-          "customer_phone": null,
-          "customer_shipping": null,
-          "customer_tax_exempt": "none",
-          "customer_tax_ids": [],
-          "default_payment_method": null,
-          "default_source": null,
-          "default_tax_rates": [],
-          "description": null,
-          "discounts": [],
-          "due_date": 1000000000,
-          "effective_at": 1000000000,
-          "ending_balance": 0,
-          "footer": null,
-          "from_invoice": null,
-          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
-          "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
-          "issuer": {
-            "type": "self"
-          },
-          "last_finalization_error": null,
-          "latest_revision": null,
-          "lines": {
-            "data": [
-              {
-                "amount": 984000,
-                "currency": "usd",
-                "description": "Zulip Cloud Standard",
-                "discount_amounts": [],
-                "discountable": false,
-                "discounts": [],
-                "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-                "invoice": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-                "livemode": false,
-                "metadata": {},
-                "object": "line_item",
-                "parent": {
-                  "invoice_item_details": {
-                    "invoice_item": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-                    "proration": false,
-                    "proration_details": {
-                      "credited_items": null
-                    },
-                    "subscription": null
-                  },
-                  "subscription_item_details": null,
-                  "type": "invoice_item_details"
-                },
-                "period": {
-                  "end": 1357095845,
-                  "start": 1325473445
-                },
-                "pretax_credit_amounts": [],
-                "pricing": {
-                  "price_details": {
-                    "price": "price_NORMALIZED",
-                    "product": "prod_NORMALIZED"
-                  },
-                  "type": "price_details",
-                  "unit_amount_decimal": "8000"
-                },
-                "quantity": 123,
-                "taxes": []
-              }
-            ],
-            "has_more": false,
-            "object": "list",
-            "total_count": 1,
-            "url": "/v1/invoices/upgrade_to_fixed_price_plus_plan--Event.list.2.json/lines"
-          },
-          "livemode": false,
-          "metadata": {
-            "billing_schedule": "1",
-            "current_plan_id": "None",
-            "license_management": "manual",
-            "licenses": "123",
-            "on_free_trial": "False",
-            "plan_tier": "1",
-            "user_id": "10"
-          },
-          "next_payment_attempt": null,
-          "number": "NORMALIZED",
-          "object": "invoice",
-          "on_behalf_of": null,
-          "parent": null,
-          "payment_settings": {
-            "default_mandate": null,
-            "payment_method_options": null,
-            "payment_method_types": null
-          },
-          "period_end": 1000000000,
-          "period_start": 1000000000,
-          "post_payment_credit_notes_amount": 0,
-          "pre_payment_credit_notes_amount": 0,
-          "receipt_number": null,
-          "rendering": {
-            "amount_tax_display": null,
-            "pdf": {
-              "page_size": "letter"
-            },
-            "template": null,
-            "template_version": null
-          },
-          "shipping_cost": null,
-          "shipping_details": null,
-          "starting_balance": 0,
-          "statement_descriptor": "Zulip Cloud Standard",
-          "status": "paid",
-          "status_transitions": {
-            "finalized_at": 1000000000,
-            "marked_uncollectible_at": null,
-            "paid_at": 1000000000,
-            "voided_at": null
-          },
-          "subtotal": 984000,
-          "subtotal_excluding_tax": 984000,
-          "test_clock": null,
-          "total": 984000,
-          "total_discount_amounts": [],
-          "total_excluding_tax": 984000,
-          "total_pretax_credit_amounts": [],
-          "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
-        },
-        "previous_attributes": {
-          "amount_paid": 0,
-          "amount_remaining": 984000,
-          "auto_advance": true,
-          "status": "open",
-          "status_transitions": {
-            "paid_at": null
-          }
-        }
-      },
-      "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-      "livemode": false,
-      "object": "event",
-      "pending_webhooks": 0,
-      "request": {
-        "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
-        "idempotency_key": "00000000-0000-0000-0000-000000000000"
-      },
-      "type": "invoice.updated"
-    },
-    {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +23,7 @@
           "currency": "usd",
           "customer": "upgrade_to_fixed_price_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +73,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -419,7 +242,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -605,7 +428,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +450,7 @@
           "currency": "usd",
           "customer": "upgrade_to_fixed_price_plus_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +500,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +655,7 @@
           "total_excluding_tax": 984000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +681,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +696,7 @@
           "invoice": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 984000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +728,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +842,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
@@ -1031,7 +856,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +906,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1126,6 +951,167 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "customer.created"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 100,
+          "amount_overpaid": 0,
+          "amount_paid": 0,
+          "amount_remaining": 100,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": true,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 100,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard - renewal",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+                "invoice": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1388631845,
+                  "start": 1357095845
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "100"
+                },
+                "quantity": 1,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_to_fixed_price_plus_plan--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {},
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "open",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": null,
+            "voided_at": null
+          },
+          "subtotal": 100,
+          "subtotal_excluding_tax": 100,
+          "test_clock": null,
+          "total": 100,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 100,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": null
+        }
+      },
+      "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": null,
+        "idempotency_key": null
+      },
+      "type": "invoice.sent"
     }
   ],
   "has_more": true,
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.3.json
index f2ebafd6cc..31c3dd0444 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -168,6 +168,184 @@
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
       },
       "type": "invoice.paid"
+    },
+    {
+      "api_version": "2025-09-30.clover",
+      "created": 1000000000,
+      "data": {
+        "object": {
+          "account_country": "US",
+          "account_name": "NORMALIZED",
+          "account_tax_ids": null,
+          "amount_due": 984000,
+          "amount_overpaid": 0,
+          "amount_paid": 984000,
+          "amount_remaining": 0,
+          "amount_shipping": 0,
+          "application": null,
+          "attempt_count": 0,
+          "attempted": false,
+          "auto_advance": false,
+          "automatic_tax": {
+            "disabled_reason": null,
+            "enabled": false,
+            "liability": null,
+            "provider": null,
+            "status": null
+          },
+          "automatically_finalizes_at": null,
+          "billing_reason": "manual",
+          "collection_method": "send_invoice",
+          "created": 1000000000,
+          "currency": "usd",
+          "custom_fields": null,
+          "customer": "cus_NORMALIZED",
+          "customer_address": null,
+          "customer_email": "hamlet@zulip.com",
+          "customer_name": null,
+          "customer_phone": null,
+          "customer_shipping": null,
+          "customer_tax_exempt": "none",
+          "customer_tax_ids": [],
+          "default_payment_method": null,
+          "default_source": null,
+          "default_tax_rates": [],
+          "description": null,
+          "discounts": [],
+          "due_date": 1000000000,
+          "effective_at": 1000000000,
+          "ending_balance": 0,
+          "footer": null,
+          "from_invoice": null,
+          "hosted_invoice_url": "https://invoice.stripe.com/i/acct_NORMALIZED/test_NORMALIZED?s=ap",
+          "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+          "invoice_pdf": "https://pay.stripe.com/invoice/acct_NORMALIZED/test_NORMALIZED/pdf?s=ap",
+          "issuer": {
+            "type": "self"
+          },
+          "last_finalization_error": null,
+          "latest_revision": null,
+          "lines": {
+            "data": [
+              {
+                "amount": 984000,
+                "currency": "usd",
+                "description": "Zulip Cloud Standard",
+                "discount_amounts": [],
+                "discountable": false,
+                "discounts": [],
+                "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+                "invoice": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+                "livemode": false,
+                "metadata": {},
+                "object": "line_item",
+                "parent": {
+                  "invoice_item_details": {
+                    "invoice_item": "ii_NORMALIZED",
+                    "proration": false,
+                    "proration_details": {
+                      "credited_items": null
+                    },
+                    "subscription": null
+                  },
+                  "subscription_item_details": null,
+                  "type": "invoice_item_details"
+                },
+                "period": {
+                  "end": 1357095845,
+                  "start": 1325473445
+                },
+                "pretax_credit_amounts": [],
+                "pricing": {
+                  "price_details": {
+                    "price": "price_NORMALIZED",
+                    "product": "prod_NORMALIZED"
+                  },
+                  "type": "price_details",
+                  "unit_amount_decimal": "8000"
+                },
+                "quantity": 123,
+                "taxes": []
+              }
+            ],
+            "has_more": false,
+            "object": "list",
+            "total_count": 1,
+            "url": "/v1/invoices/upgrade_to_fixed_price_plus_plan--Event.list.2.json/lines"
+          },
+          "livemode": false,
+          "metadata": {
+            "billing_schedule": "1",
+            "current_plan_id": "None",
+            "license_management": "manual",
+            "licenses": "123",
+            "on_free_trial": "False",
+            "plan_tier": "1",
+            "user_id": "10"
+          },
+          "next_payment_attempt": null,
+          "number": "NORMALIZED",
+          "object": "invoice",
+          "on_behalf_of": null,
+          "parent": null,
+          "payment_settings": {
+            "default_mandate": null,
+            "payment_method_options": null,
+            "payment_method_types": null
+          },
+          "period_end": 1000000000,
+          "period_start": 1000000000,
+          "post_payment_credit_notes_amount": 0,
+          "pre_payment_credit_notes_amount": 0,
+          "receipt_number": null,
+          "rendering": {
+            "amount_tax_display": null,
+            "pdf": {
+              "page_size": "letter"
+            },
+            "template": null,
+            "template_version": null
+          },
+          "shipping_cost": null,
+          "shipping_details": null,
+          "starting_balance": 0,
+          "statement_descriptor": "Zulip Cloud Standard",
+          "status": "paid",
+          "status_transitions": {
+            "finalized_at": 1000000000,
+            "marked_uncollectible_at": null,
+            "paid_at": 1000000000,
+            "voided_at": null
+          },
+          "subtotal": 984000,
+          "subtotal_excluding_tax": 984000,
+          "test_clock": null,
+          "total": 984000,
+          "total_discount_amounts": [],
+          "total_excluding_tax": 984000,
+          "total_pretax_credit_amounts": [],
+          "total_taxes": [],
+          "webhooks_delivered_at": 1000000000
+        },
+        "previous_attributes": {
+          "amount_paid": 0,
+          "amount_remaining": 984000,
+          "auto_advance": true,
+          "status": "open",
+          "status_transitions": {
+            "paid_at": null
+          }
+        }
+      },
+      "id": "upgrade_to_fixed_price_plus_plan--Event.list.3.json",
+      "livemode": false,
+      "object": "event",
+      "pending_webhooks": 0,
+      "request": {
+        "id": "upgrade_to_fixed_price_plus_plan--Event.list.2.json",
+        "idempotency_key": "00000000-0000-0000-0000-000000000000"
+      },
+      "type": "invoice.updated"
     }
   ],
   "has_more": false,
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.1.json
index 218270b179..cd1a46af9c 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.2.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.2.json
index 2456be6966..bf9e2c2e98 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.finalize_invoice.2.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.finalize_invoice.2.json
index bfd25f964c..a912eccdc5 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.finalize_invoice.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--Invoice.finalize_invoice.2.json
@@ -142,5 +142,5 @@
   "total_excluding_tax": 36000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.1.json
index cf7aade69d..1bd6a15401 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 984000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.2.json
index c1ebb00b03..50a5a50e8f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_to_fixed_price_plus_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 36000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.create.1.json
index 93c318e5f2..1ad2d57b8a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.modify.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.modify.1.json
index b07603b25e..4efee36be9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.1.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.2.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.3.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.4.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.5.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.6.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.7.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.7.json
index 60ff9393b2..ce78f48418 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.7.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Customer.retrieve.7.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Event.list.1.json
index 12cd20e13b..1c758b8b3e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_user_to_basic_plan_free_trial--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.create.1.json
index 6a58960233..0942d27212 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.list.1.json
index 59f4ed53be..55cd3fe437 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--Event.list.1.json
index 780f666769..610db6e487 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.create.1.json
index 952395a0c9..61123cb8ee 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.list.1.json
index 0d7adf81d3..36ff164e3a 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_basic_plan_free_trial_remote_server--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://selfhosting.testserver/server/6cde5f7a-1f7e-4978-9716-49f69ebfc9fe/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.create.1.json
index bb120a0da7..3ed6676b50 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.modify.1.json
index b64cbaf549..59fbb497d0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.1.json
index 0417856518..ff6332a1dc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.2.json
index 0417856518..ff6332a1dc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.3.json
index 0417856518..ff6332a1dc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.4.json
index 0417856518..ff6332a1dc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.5.json
index 0417856518..ff6332a1dc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.6.json
index 1dc7a58022..c4013aff9e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.7.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.7.json
index 1dc7a58022..c4013aff9e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.7.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Customer.retrieve.7.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.1.json
index 670f5f064a..0443a80897 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.2.json
index 5a5483b5b5..7ab8bc7de6 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -62,7 +62,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 176000,
-              "authorization_code": null,
+              "authorization_code": "997175",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -128,7 +128,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -336,7 +336,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -560,7 +560,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -582,6 +582,7 @@
           "currency": "usd",
           "customer": "upgrade_user_to_business_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_user_to_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -631,7 +632,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -892,7 +893,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -907,6 +908,7 @@
           "invoice": "upgrade_user_to_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": -24000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -938,7 +940,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1118,7 +1120,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1133,6 +1135,7 @@
           "invoice": "upgrade_user_to_business_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 200000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1164,7 +1167,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1277,7 +1280,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_user_to_business_plan--Event.list.2.json",
@@ -1291,7 +1294,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1301,7 +1304,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_user_to_business_plan--Customer.create.1.json",
@@ -1315,7 +1318,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.3.json
index 6fe19ef62e..db1c3db39d 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -209,7 +209,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -417,7 +417,7 @@
       "type": "invoice.paid"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -635,7 +635,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -657,6 +657,7 @@
           "currency": "usd",
           "customer": "cus_NORMALIZED",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_user_to_business_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "ch_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Invoice.create.1.json
index 72a1221d98..2a48b14f4e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.1.json
index e6576d31b7..fa115a3452 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 200000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.2.json
index b3adb22ca5..de10a7bb0f 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": -24000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.create.1.json
index 561547361a..f11ed6fa38 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.list.1.json
index 30984dc4fd..c33339353e 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_business_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json
index 8eba66ff46..36219b6ef0 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.modify.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.modify.1.json
index 916468a481..807f8b9697 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.modify.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.modify.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -19,7 +19,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.1.json
index edc495ca62..eba576bef9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.1.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.2.json
index edc495ca62..eba576bef9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.2.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.3.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.3.json
index edc495ca62..eba576bef9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.3.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.4.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.4.json
index edc495ca62..eba576bef9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.4.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.4.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.5.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.5.json
index edc495ca62..eba576bef9 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.5.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.5.json
@@ -5,7 +5,7 @@
   "currency": null,
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.6.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.6.json
index dfed9ea689..9ebaa5d8b6 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.6.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Customer.retrieve.6.json
@@ -5,7 +5,7 @@
   "currency": "usd",
   "default_source": null,
   "delinquent": false,
-  "description": "zulip.testserver 5ae8113e-cd0",
+  "description": "zulip.testserver 1b9e1a25-900",
   "discount": null,
   "email": "hamlet@zulip.com",
   "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -69,7 +69,7 @@
   "livemode": false,
   "metadata": {
     "remote_realm_host": "zulip.testserver",
-    "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+    "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
   },
   "name": null,
   "next_invoice_sequence": 2,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.1.json
index 44d01c7197..ce919765cc 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -11,7 +11,7 @@
           "currency": null,
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -25,7 +25,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json
index e3d36060c0..def7d8c358 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -171,7 +171,7 @@
       "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
@@ -250,7 +251,7 @@
       "type": "payment_intent.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -311,7 +312,7 @@
           "payment_method_details": {
             "card": {
               "amount_authorized": 10000,
-              "authorization_code": null,
+              "authorization_code": "832068",
               "brand": "visa",
               "checks": {
                 "address_line1_check": "pass",
@@ -369,7 +370,7 @@
       "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 2,
       "request": {
         "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -377,7 +378,7 @@
       "type": "charge.succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -545,7 +546,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -729,7 +730,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -751,6 +752,7 @@
           "currency": "usd",
           "customer": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -800,7 +802,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -954,7 +956,7 @@
           "total_excluding_tax": 10000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -980,7 +982,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -995,6 +997,7 @@
           "invoice": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 10000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -1026,7 +1029,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1139,7 +1142,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.2.json",
@@ -1153,7 +1156,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1163,7 +1166,7 @@
           "currency": "usd",
           "default_source": null,
           "delinquent": false,
-          "description": "zulip.testserver 5ae8113e-cd0",
+          "description": "zulip.testserver 1b9e1a25-900",
           "discount": null,
           "email": "hamlet@zulip.com",
           "id": "upgrade_user_to_fixed_price_monthly_basic_plan--Customer.create.1.json",
@@ -1177,7 +1180,7 @@
           "livemode": false,
           "metadata": {
             "remote_realm_host": "zulip.testserver",
-            "remote_realm_uuid": "5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8"
+            "remote_realm_uuid": "1b9e1a25-9000-419d-bb13-59cab3446e68"
           },
           "name": null,
           "next_invoice_sequence": 1,
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.3.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.3.json
index b017c3f389..50efeb39eb 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -169,7 +169,7 @@
       "type": "invoice.payment_succeeded"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Invoice.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
index e83663ca79..3c50899c34 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--Invoice.create.1.json
@@ -108,5 +108,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
index c4ea208359..aa7b4e7560 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 10000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
index 498c641e50..95943ca687 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
-  "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
+  "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
@@ -79,7 +101,7 @@
   "status": "open",
   "submit_type": null,
   "subscription": null,
-  "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+  "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
   "total_details": null,
   "ui_mode": "hosted",
   "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
index 233fefa090..b1582de0e4 100644
--- a/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_user_to_fixed_price_monthly_basic_plan--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
-      "cancel_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/upgrade/?manual_license_management=false&tier=1",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
+      "cancel_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
@@ -81,7 +103,7 @@
       "status": "open",
       "submit_type": null,
       "subscription": null,
-      "success_url": "http://selfhosting.testserver/realm/5ae8113e-cd0a-4aaf-990c-a2ddb35b37d8/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
+      "success_url": "http://selfhosting.testserver/realm/1b9e1a25-9000-419d-bb13-59cab3446e68/billing/event_status/?stripe_session_id={CHECKOUT_SESSION_ID}",
       "total_details": null,
       "ui_mode": "hosted",
       "url": "https://checkout.stripe.com/c/pay/cs_test_NORMALIZED",
diff --git a/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.create.1.json b/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.create.1.json
index 4bec5513cf..e70722be95 100644
--- a/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.create.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.create.1.json
@@ -1,5 +1,7 @@
 {
-  "adaptive_pricing": null,
+  "adaptive_pricing": {
+    "enabled": false
+  },
   "after_expiration": null,
   "allow_promotion_codes": null,
   "amount_subtotal": null,
@@ -11,10 +13,27 @@
     "status": null
   },
   "billing_address_collection": "required",
+  "branding_settings": {
+    "background_color": "#ffffff",
+    "border_style": "rounded",
+    "button_color": "#0074d4",
+    "display_name": "Sandbox",
+    "font_family": "default",
+    "icon": {
+      "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+      "type": "file"
+    },
+    "logo": {
+      "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+      "type": "file"
+    }
+  },
   "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
   "client_reference_id": null,
   "client_secret": null,
   "collected_information": {
+    "business_name": null,
+    "individual_name": null,
     "shipping_details": null
   },
   "consent": null,
@@ -33,7 +52,9 @@
   "customer_creation": null,
   "customer_details": {
     "address": null,
+    "business_name": null,
     "email": "hamlet@zulip.com",
+    "individual_name": null,
     "name": null,
     "phone": null,
     "tax_exempt": null,
@@ -53,6 +74,7 @@
   },
   "mode": "setup",
   "object": "checkout.session",
+  "origin_context": null,
   "payment_intent": null,
   "payment_link": null,
   "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.list.1.json b/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.list.1.json
index 4e368da20b..c346267122 100644
--- a/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.list.1.json
+++ b/corporate/tests/stripe_fixtures/upgrade_with_uncaught_exception--checkout.Session.list.1.json
@@ -1,7 +1,9 @@
 {
   "data": [
     {
-      "adaptive_pricing": null,
+      "adaptive_pricing": {
+        "enabled": false
+      },
       "after_expiration": null,
       "allow_promotion_codes": null,
       "amount_subtotal": null,
@@ -13,10 +15,27 @@
         "status": null
       },
       "billing_address_collection": "required",
+      "branding_settings": {
+        "background_color": "#ffffff",
+        "border_style": "rounded",
+        "button_color": "#0074d4",
+        "display_name": "Sandbox",
+        "font_family": "default",
+        "icon": {
+          "file": "file_1RCGizRVfKEFJaqcFHPvd6rl",
+          "type": "file"
+        },
+        "logo": {
+          "file": "file_1RCGiyRVfKEFJaqc9ny0K376",
+          "type": "file"
+        }
+      },
       "cancel_url": "http://zulip.testserver/upgrade/?manual_license_management=false&tier=1",
       "client_reference_id": null,
       "client_secret": null,
       "collected_information": {
+        "business_name": null,
+        "individual_name": null,
         "shipping_details": null
       },
       "consent": null,
@@ -35,7 +54,9 @@
       "customer_creation": null,
       "customer_details": {
         "address": null,
+        "business_name": null,
         "email": "hamlet@zulip.com",
+        "individual_name": null,
         "name": null,
         "phone": null,
         "tax_exempt": null,
@@ -55,6 +76,7 @@
       },
       "mode": "setup",
       "object": "checkout.session",
+      "origin_context": null,
       "payment_intent": null,
       "payment_link": null,
       "payment_method_collection": "always",
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.1.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.1.json
index 270fc20d45..b4568d1333 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.1.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.1.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -148,7 +148,7 @@
           "total_excluding_tax": 36000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "validate_licenses_for_manual_plan_management--Event.list.1.json",
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.2.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.2.json
index 488d9ecbe9..9ec813435c 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.2.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.2.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 56000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_paid": 0,
@@ -171,7 +171,7 @@
       "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
       "livemode": false,
       "object": "event",
-      "pending_webhooks": 0,
+      "pending_webhooks": 1,
       "request": {
         "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
         "idempotency_key": "00000000-0000-0000-0000-000000000000"
@@ -179,7 +179,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -201,6 +201,7 @@
           "currency": "usd",
           "customer": "validate_licenses_for_manual_plan_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -250,7 +251,7 @@
       "type": "payment_intent.canceled"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -405,7 +406,7 @@
           "total_excluding_tax": 56000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
@@ -419,7 +420,7 @@
       "type": "invoice.finalized"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -574,7 +575,7 @@
           "total_excluding_tax": 56000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "automatically_finalizes_at": 1000000000,
@@ -605,7 +606,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -627,6 +628,7 @@
           "currency": "usd",
           "customer": "validate_licenses_for_manual_plan_management--Customer.create.1.json",
           "description": "Payment for Invoice",
+          "excluded_payment_method_types": null,
           "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
           "last_payment_error": null,
           "latest_charge": null,
@@ -676,7 +678,7 @@
       "type": "payment_intent.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -831,7 +833,7 @@
           "total_excluding_tax": 56000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         },
         "previous_attributes": {
           "amount_due": 0,
@@ -857,7 +859,7 @@
       "type": "invoice.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -872,6 +874,7 @@
           "invoice": "validate_licenses_for_manual_plan_management--Event.list.2.json",
           "livemode": false,
           "metadata": {},
+          "net_amount": 56000,
           "object": "invoiceitem",
           "parent": null,
           "period": {
@@ -903,7 +906,7 @@
       "type": "invoiceitem.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1017,7 +1020,7 @@
           "total_excluding_tax": 0,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "validate_licenses_for_manual_plan_management--Event.list.2.json",
@@ -1031,7 +1034,7 @@
       "type": "invoice.created"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -1081,7 +1084,7 @@
       "type": "customer.updated"
     },
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.3.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.3.json
index 8ddd9bbc4c..b4131f5e38 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.3.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Event.list.3.json
@@ -1,7 +1,7 @@
 {
   "data": [
     {
-      "api_version": "2025-04-30.basil",
+      "api_version": "2025-09-30.clover",
       "created": 1000000000,
       "data": {
         "object": {
@@ -156,7 +156,7 @@
           "total_excluding_tax": 56000,
           "total_pretax_credit_amounts": [],
           "total_taxes": [],
-          "webhooks_delivered_at": 1000000000
+          "webhooks_delivered_at": null
         }
       },
       "id": "validate_licenses_for_manual_plan_management--Event.list.3.json",
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.create.1.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.create.1.json
index 0493e85089..135364cebe 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.create.1.json
@@ -109,5 +109,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.finalize_invoice.1.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.finalize_invoice.1.json
index b87fe77744..fa7ea3fd8a 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.finalize_invoice.1.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.finalize_invoice.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 56000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.pay.1.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.pay.1.json
index 78c27e6df1..83bbec63c5 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.pay.1.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--Invoice.pay.1.json
@@ -150,5 +150,5 @@
   "total_excluding_tax": 56000,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--InvoiceItem.create.1.json
index 361bf4ca18..75bad22ce2 100644
--- a/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/validate_licenses_for_manual_plan_management--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 56000,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.1.json b/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.1.json
index 792b528cde..0d5b19cd34 100644
--- a/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.1.json
+++ b/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.1.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.2.json b/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.2.json
index c6bc825a03..d32817d348 100644
--- a/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.2.json
+++ b/corporate/tests/stripe_fixtures/void_all_open_invoices--Invoice.create.2.json
@@ -101,5 +101,5 @@
   "total_excluding_tax": 0,
   "total_pretax_credit_amounts": [],
   "total_taxes": [],
-  "webhooks_delivered_at": 1000000000
+  "webhooks_delivered_at": null
 }
diff --git a/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.1.json b/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.1.json
index f060f79180..cc762d5c9d 100644
--- a/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.1.json
+++ b/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.1.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6400,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.2.json b/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.2.json
index 50af32c8a4..ce6482f453 100644
--- a/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.2.json
+++ b/corporate/tests/stripe_fixtures/void_all_open_invoices--InvoiceItem.create.2.json
@@ -10,6 +10,7 @@
   "invoice": "in_NORMALIZED",
   "livemode": false,
   "metadata": {},
+  "net_amount": 6400,
   "object": "invoiceitem",
   "parent": null,
   "period": {
diff --git a/uv.lock b/uv.lock
index a4c64e29fb..fbb6627767 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4959,15 +4959,15 @@ wheels = [
 
 [[package]]
 name = "stripe"
-version = "12.5.1"
+version = "13.0.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "requests" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/bd/92/f1b72783e13662026efc7d3f0fc201230edab55edd1604326a97162d8ce4/stripe-12.5.1.tar.gz", hash = "sha256:5407d092c355c31393e767d2dcb2d5a8c3980caa9a073acb32d0ccb3c01b04b5", size = 1432826, upload-time = "2025-09-05T13:27:07.976Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d8/36/edac714e44a1a0048e74cc659b6070b42dd7027473e8f9f06a727b3860b6/stripe-13.0.1.tar.gz", hash = "sha256:5869739430ff73bd9cd81275abfb79fd4089e97e9fd98d306a015f5defd39a0d", size = 1263853, upload-time = "2025-10-03T19:37:17.335Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1d/8d/f4c2f047eedc943aea573cb56af2c9481b2d97ee8de9819f8c5d87e9ba34/stripe-12.5.1-py2.py3-none-any.whl", hash = "sha256:39b47b331dfe933ce6cf6bd654e0ae9ba082caa9d1dd8d0ae9ae48293975f115", size = 1664067, upload-time = "2025-09-05T13:27:05.559Z" },
+    { url = "https://files.pythonhosted.org/packages/3a/ac/a911f3c850420ab42447f5c049f570e55f34e0aa0b2e6a1d1a059a5656c4/stripe-13.0.1-py3-none-any.whl", hash = "sha256:7804cee14580ab37bbc1e5f6562e49dea0686ab3cb34384eb9386387ed8ebd0c", size = 1849008, upload-time = "2025-10-03T19:37:14.953Z" },
 ]
 
 [[package]]
diff --git a/version.py b/version.py
index 139a4a75e6..985661a743 100644
--- a/version.py
+++ b/version.py
@@ -50,4 +50,4 @@ API_FEATURE_LEVEL = 427
 #   historical commits sharing the same major version, in which case a
 #   minor version bump suffices.
 
-PROVISION_VERSION = (354, 0)  # bumped 2025-10-23 to upgrade Python requirements
+PROVISION_VERSION = (355, 0)  # bumped 2025-10-28 to upgrade stripe