diff --git a/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py b/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
index 11babb5d4c..37f8cbd7b5 100644
--- a/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
+++ b/tools/documentation_crawler/documentation_crawler/spiders/check_help_documentation.py
@@ -8,37 +8,48 @@ from .common.spiders import BaseDocumentationSpider
 from typing import Any, List, Set
 
 
-def get_help_images_dir(help_images_path: str) -> str:
+def get_images_dir(images_path: str) -> str:
     # Get index html file as start url and convert it to file uri
     dir_path = os.path.dirname(os.path.realpath(__file__))
-    target_path = os.path.join(dir_path, os.path.join(*[os.pardir] * 4), help_images_path)
+    target_path = os.path.join(dir_path, os.path.join(*[os.pardir] * 4), images_path)
     return os.path.realpath(target_path)
 
 
-class HelpDocumentationSpider(BaseDocumentationSpider):
-    name = "help_documentation_crawler"
-    start_urls = ['http://localhost:9981/help']
-    deny_domains = []  # type: List[str]
-    deny = ['/privacy']
-    help_images_path = "static/images/help"
-    help_images_static_dir = get_help_images_dir(help_images_path)
+class UnusedImagesLinterSpider(BaseDocumentationSpider):
+    images_path = ""
 
     def __init__(self, *args: Any, **kwargs: Any) -> None:
         super().__init__(*args, **kwargs)
         self.static_images = set()  # type: Set[str]
+        self.images_static_dir = get_images_dir(self.images_path)  # type: str
 
     def _is_external_url(self, url: str) -> bool:
-        is_external = url.startswith('http') and 'localhost:9981/help' not in url
-        if self._has_extension(url) and 'localhost:9981/static/images/help' in url:
+        is_external = url.startswith('http') and self.start_urls[0] not in url
+        if self._has_extension(url) and 'localhost:9981/{}'.format(self.images_path) in url:
             self.static_images.add(basename(urlparse(url).path))
         return is_external or self._has_extension(url)
 
     def closed(self, *args: Any, **kwargs: Any) -> None:
-        unused_images = set(os.listdir(self.help_images_static_dir)) - self.static_images
+        unused_images = set(os.listdir(self.images_static_dir)) - self.static_images
         if unused_images:
-            exception_message = "The following images are not used in help documentation " \
+            exception_message = "The following images are not used in documentation " \
                                 "and can be removed: {}"
             self._set_error_state()
             unused_images_relatedpath = [
-                os.path.join(self.help_images_path, img) for img in unused_images]
+                os.path.join(self.images_path, img) for img in unused_images]
             raise Exception(exception_message.format(', '.join(unused_images_relatedpath)))
+
+
+class HelpDocumentationSpider(UnusedImagesLinterSpider):
+    name = "help_documentation_crawler"
+    start_urls = ['http://localhost:9981/help']
+    deny_domains = []  # type: List[str]
+    deny = ['/privacy']
+    images_path = "static/images/help"
+
+
+class APIDocumentationSpider(UnusedImagesLinterSpider):
+    name = 'api_documentation_crawler'
+    start_urls = ['http://localhost:9981/api']
+    deny_domains = []  # type: List[str]
+    images_path = "static/images/api"
diff --git a/tools/test-help-documentation b/tools/test-help-documentation
index e607ceb489..12d33326c0 100755
--- a/tools/test-help-documentation
+++ b/tools/test-help-documentation
@@ -26,10 +26,12 @@ LOG_FILE = 'var/help-documentation/server.log'
 external_host = "localhost:9981"
 
 with test_server_running(options.force, external_host, log_file=LOG_FILE, dots=True, use_db=False):
-    ret = subprocess.call(('scrapy', 'crawl_with_status', 'help_documentation_crawler'),
-                          cwd='tools/documentation_crawler')
+    ret_help_doc = subprocess.call(('scrapy', 'crawl_with_status', 'help_documentation_crawler'),
+                                   cwd='tools/documentation_crawler')
+    ret_api_doc = subprocess.call(('scrapy', 'crawl_with_status', 'api_documentation_crawler'),
+                                  cwd='tools/documentation_crawler')
 
-if ret != 0:
+if ret_help_doc != 0 or ret_api_doc != 0:
     print("\033[0;91m")
     print("Failed")
     print("\033[0m")
@@ -39,4 +41,4 @@ else:
     print("\033[0m")
 
 
-sys.exit(ret)
+sys.exit(ret_help_doc or ret_api_doc)