add litellm_header_name endpoint

litellm/proxy/management_endpoints/key_management_endpoints.py

@@ -914,3 +914,22 @@ async def delete_verification_token(tokens: List, user_id: Optional[str] = None)
         verbose_proxy_logger.debug(traceback.format_exc())
         raise e
     return deleted_tokens
+
+
+@router.get(
+    "/litellm_header_name",
+    include_in_schema=False,
+)
+async def get_litellm_header_name():
+    """
+    Used by LiteLLM Admin UI
+
+    returns the header name that should be used for the Authorization header on requests to litellm
+    """
+    from litellm.proxy.proxy_server import general_settings
+
+    if "litellm_key_header_name" in general_settings:
+        return {"litellm_key_header_name": general_settings["litellm_key_header_name"]}
+    else:
+        # default value
+        return {"litellm_key_header_name": "Authorization"}