diff --git a/fastapi/applications.py b/fastapi/applications.py
index 4f5e6f1d9..6d427cdc2 100644
--- a/fastapi/applications.py
+++ b/fastapi/applications.py
@@ -1056,7 +1056,7 @@ class FastAPI(Starlette):
     def add_api_route(
         self,
         path: str,
-        endpoint: Callable[..., Coroutine[Any, Any, Response]],
+        endpoint: Callable[..., Any],
         *,
         response_model: Any = Default(None),
         status_code: Optional[int] = None,