diff --git a/litellm/responses/main.py b/litellm/responses/main.py
index 6ad1fea5ac..e844d86716 100644
--- a/litellm/responses/main.py
+++ b/litellm/responses/main.py
@@ -201,7 +201,7 @@ def responses(
             return litellm_completion_transformation_handler.response_api_handler(
                 model=model,
                 input=input,
-                responses_api_request=ResponsesAPIOptionalRequestParams(),
+                responses_api_request=response_api_optional_params,
                 custom_llm_provider=custom_llm_provider,
                 _is_async=_is_async,
                 stream=stream,