diff --git a/src/sentry/api/endpoints/project_app_store_connect_credentials.py b/src/sentry/api/endpoints/project_app_store_connect_credentials.py
index 3bd22b63f18841..7908c1270fdb68 100644
--- a/src/sentry/api/endpoints/project_app_store_connect_credentials.py
+++ b/src/sentry/api/endpoints/project_app_store_connect_credentials.py
@@ -154,10 +154,15 @@ def post(self, request: Request, project: Project) -> Response:
         )
         session = requests.Session()
 
-        apps = appstore_connect.get_apps(session, credentials)
+        try:
+            apps = appstore_connect.get_apps(session, credentials)
+        except appstore_connect.UnauthorizedError:
+            raise AppConnectAuthenticationError
+        except appstore_connect.ForbiddenError:
+            raise AppConnectForbiddenError
 
         if apps is None:
-            raise AppConnectAuthenticationError()
+            raise AppConnectAuthenticationError
 
         all_apps = [
             {"name": app.name, "bundleId": app.bundle_id, "appId": app.app_id} for app in apps