diff --git a/rest_framework-stubs/test.pyi b/rest_framework-stubs/test.pyi
index 00f5a6617..0b862369e 100644
--- a/rest_framework-stubs/test.pyi
+++ b/rest_framework-stubs/test.pyi
@@ -81,14 +81,18 @@ class APIClient(APIRequestFactory, DjangoClient):
 
 class APITransactionTestCase(testcases.TransactionTestCase):
     client_class: Type[APIClient] = ...
+    client: APIClient
 
 class APITestCase(testcases.TestCase):
     client_class: Type[APIClient] = ...
+    client: APIClient
 
 class APISimpleTestCase(testcases.SimpleTestCase):
     client_class: Type[APIClient] = ...
+    client: APIClient
 
 class APILiveServerTestCase(testcases.LiveServerTestCase):
     client_class: Type[APIClient] = ...
+    client: APIClient
 
 class URLPatternsTestCase(testcases.SimpleTestCase): ...
diff --git a/tests/typecheck/test_test.yml b/tests/typecheck/test_test.yml
new file mode 100644
index 000000000..69940d325
--- /dev/null
+++ b/tests/typecheck/test_test.yml
@@ -0,0 +1,28 @@
+- case: test_testcases_client_api
+  parametrized:
+  - test_class: APITransactionTestCase
+  - test_class: APITestCase
+  - test_class: APISimpleTestCase
+  - test_class: APILiveServerTestCase
+  main: |
+    from rest_framework import test, status
+
+    class MyTest(test.{{ test_class }}):
+        def test_example(self) -> None:
+            reveal_type(self.client) # N: Revealed type is "rest_framework.test.APIClient"
+            response = self.client.get('/', format="json")
+            self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
+            self.assertEqual(response.data, {"detail": {"not_found"}})
+
+- case: test_testcases_client_api_urlpatterns
+  main: |
+    from typing import Union, List
+    from django.urls import URLPattern, URLResolver
+    from rest_framework import test, status
+
+    class MyTest(test.URLPatternsTestCase):
+        urlpatterns : List[Union[URLPattern, URLResolver]] = []
+        def test_example(self) -> None:
+            reveal_type(self.client) # N: Revealed type is "django.test.client.Client"
+            response = self.client.get('/', format="json")
+            self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)