From 3a56358fd5e2524cda706386366cde0de651c7ef Mon Sep 17 00:00:00 2001
From: puffer <389053104@qq.com>
Date: Thu, 23 Jul 2026 10:22:27 +0800
Subject: [PATCH] fix(responses): preserve websocket api key

---
 litellm/responses/main.py                     |  1 +
 .../test_responses_websocket_all_providers.py | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/litellm/responses/main.py b/litellm/responses/main.py
index 206736f501a..8f7b3177cba 100644
--- a/litellm/responses/main.py
+++ b/litellm/responses/main.py
@@ -2031,6 +2031,7 @@ async def _aresponses_websocket(
     resolved_api_base = dynamic_api_base or litellm_params.api_base or litellm.api_base or None
     resolved_api_key = (
         dynamic_api_key
+        or api_key
         or litellm_params.api_key
         or litellm.api_key
         or litellm.openai_key
diff --git a/tests/test_litellm/responses/test_responses_websocket_all_providers.py b/tests/test_litellm/responses/test_responses_websocket_all_providers.py
index 4509abc7749..8097305fd8d 100644
--- a/tests/test_litellm/responses/test_responses_websocket_all_providers.py
+++ b/tests/test_litellm/responses/test_responses_websocket_all_providers.py
@@ -102,6 +102,32 @@ class TestResponsesAPIWebSocketSupport:
     def test_openai_model_in_websocket_url_default(self):
         assert OpenAIResponsesAPIConfig().model_in_websocket_url() is True
 
+    @pytest.mark.asyncio
+    async def test_openai_websocket_forwards_explicit_api_key(self, monkeypatch):
+        from unittest.mock import AsyncMock
+
+        import litellm
+        from litellm.responses import main as responses_main
+
+        websocket_handler = AsyncMock()
+        monkeypatch.setattr(litellm, "api_key", None)
+        monkeypatch.setattr(litellm, "openai_key", None)
+        monkeypatch.delenv("OPENAI_API_KEY", raising=False)
+        monkeypatch.setattr(
+            responses_main.base_llm_http_handler,
+            "async_responses_websocket",
+            websocket_handler,
+        )
+
+        await responses_main._aresponses_websocket.__wrapped__(
+            model="gpt-4o",
+            websocket=MagicMock(),
+            api_key="explicit-api-key",
+            litellm_logging_obj=MagicMock(),
+        )
+
+        assert websocket_handler.await_args.kwargs["api_key"] == "explicit-api-key"
+
     def test_xai_uses_managed_websocket(self):
         """XAI should use managed websocket handler"""
         config = XAIResponsesAPIConfig()