diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index a600ac018..df5acdeec 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -444,6 +444,7 @@ def _get_pydantic_json_dict(pydantic_obj: BaseModel) -> dict:
 def get_custom_headers(
     *,
     user_api_key_dict: UserAPIKeyAuth,
+    call_id: Optional[str] = None,
     model_id: Optional[str] = None,
     cache_key: Optional[str] = None,
     api_base: Optional[str] = None,
@@ -455,6 +456,7 @@ def get_custom_headers(
 ) -> dict:
     exclude_values = {"", None}
     headers = {
+        "x-litellm-call-id": call_id,
         "x-litellm-model-id": model_id,
         "x-litellm-cache-key": cache_key,
         "x-litellm-model-api-base": api_base,
@@ -2895,6 +2897,7 @@ async def chat_completion(
         ):  # use generate_responses to stream responses
             custom_headers = get_custom_headers(
                 user_api_key_dict=user_api_key_dict,
+                call_id=logging_obj.litellm_call_id,
                 model_id=model_id,
                 cache_key=cache_key,
                 api_base=api_base,
@@ -2925,6 +2928,7 @@ async def chat_completion(
         fastapi_response.headers.update(
             get_custom_headers(
                 user_api_key_dict=user_api_key_dict,
+                call_id=logging_obj.litellm_call_id,
                 model_id=model_id,
                 cache_key=cache_key,
                 api_base=api_base,
@@ -3138,6 +3142,7 @@ async def completion(
         ):  # use generate_responses to stream responses
             custom_headers = get_custom_headers(
                 user_api_key_dict=user_api_key_dict,
+                call_id=logging_obj.litellm_call_id,
                 model_id=model_id,
                 cache_key=cache_key,
                 api_base=api_base,
@@ -3158,6 +3163,7 @@ async def completion(
         fastapi_response.headers.update(
             get_custom_headers(
                 user_api_key_dict=user_api_key_dict,
+                call_id=logging_obj.litellm_call_id,
                 model_id=model_id,
                 cache_key=cache_key,
                 api_base=api_base,