diff --git a/docs/my-website/docs/proxy/call_hooks.md b/docs/my-website/docs/proxy/call_hooks.md
index ce34e5ad6..25a46609d 100644
--- a/docs/my-website/docs/proxy/call_hooks.md
+++ b/docs/my-website/docs/proxy/call_hooks.md
@@ -47,6 +47,7 @@ class MyCustomHandler(CustomLogger): # https://docs.litellm.ai/docs/observabilit
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/enterprise/enterprise_hooks/aporio_ai.py b/enterprise/enterprise_hooks/aporio_ai.py
index 6529ddcba..5d1b081fe 100644
--- a/enterprise/enterprise_hooks/aporio_ai.py
+++ b/enterprise/enterprise_hooks/aporio_ai.py
@@ -133,6 +133,7 @@ class _ENTERPRISE_Aporio(CustomLogger):
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/enterprise/enterprise_hooks/banned_keywords.py b/enterprise/enterprise_hooks/banned_keywords.py
index 4d6545eb0..e282ee5ab 100644
--- a/enterprise/enterprise_hooks/banned_keywords.py
+++ b/enterprise/enterprise_hooks/banned_keywords.py
@@ -90,6 +90,7 @@ class _ENTERPRISE_BannedKeywords(CustomLogger):
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/litellm/integrations/custom_logger.py b/litellm/integrations/custom_logger.py
index 98b0da25c..47d28ab56 100644
--- a/litellm/integrations/custom_logger.py
+++ b/litellm/integrations/custom_logger.py
@@ -122,6 +122,7 @@ class CustomLogger:  # https://docs.litellm.ai/docs/observability/custom_callbac
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/litellm/proxy/custom_callbacks1.py b/litellm/proxy/custom_callbacks1.py
index 37e4a6cdb..05028f033 100644
--- a/litellm/proxy/custom_callbacks1.py
+++ b/litellm/proxy/custom_callbacks1.py
@@ -40,6 +40,7 @@ class MyCustomHandler(
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/litellm/proxy/hooks/azure_content_safety.py b/litellm/proxy/hooks/azure_content_safety.py
index 972ac9992..ccadafaf2 100644
--- a/litellm/proxy/hooks/azure_content_safety.py
+++ b/litellm/proxy/hooks/azure_content_safety.py
@@ -1,11 +1,16 @@
-from litellm.integrations.custom_logger import CustomLogger
-from litellm.caching import DualCache
-from litellm.proxy._types import UserAPIKeyAuth
-import litellm, traceback, sys, uuid
-from fastapi import HTTPException
-from litellm._logging import verbose_proxy_logger
+import sys
+import traceback
+import uuid
 from typing import Optional
 
+from fastapi import HTTPException
+
+import litellm
+from litellm._logging import verbose_proxy_logger
+from litellm.caching import DualCache
+from litellm.integrations.custom_logger import CustomLogger
+from litellm.proxy._types import UserAPIKeyAuth
+
 
 class _PROXY_AzureContentSafety(
     CustomLogger
@@ -15,12 +20,12 @@ class _PROXY_AzureContentSafety(
     def __init__(self, endpoint, api_key, thresholds=None):
         try:
             from azure.ai.contentsafety.aio import ContentSafetyClient
-            from azure.core.credentials import AzureKeyCredential
             from azure.ai.contentsafety.models import (
-                TextCategory,
                 AnalyzeTextOptions,
                 AnalyzeTextOutputType,
+                TextCategory,
             )
+            from azure.core.credentials import AzureKeyCredential
             from azure.core.exceptions import HttpResponseError
         except Exception as e:
             raise Exception(
@@ -132,6 +137,7 @@ class _PROXY_AzureContentSafety(
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response,
     ):
diff --git a/litellm/proxy/hooks/dynamic_rate_limiter.py b/litellm/proxy/hooks/dynamic_rate_limiter.py
index 4bf08998a..57985e9a6 100644
--- a/litellm/proxy/hooks/dynamic_rate_limiter.py
+++ b/litellm/proxy/hooks/dynamic_rate_limiter.py
@@ -254,7 +254,7 @@ class _PROXY_DynamicRateLimitHandler(CustomLogger):
         return None
 
     async def async_post_call_success_hook(
-        self, user_api_key_dict: UserAPIKeyAuth, response
+        self, data: dict, user_api_key_dict: UserAPIKeyAuth, response
     ):
         try:
             if isinstance(response, ModelResponse):
@@ -287,7 +287,9 @@ class _PROXY_DynamicRateLimitHandler(CustomLogger):
 
                 return response
             return await super().async_post_call_success_hook(
-                user_api_key_dict, response
+                data=data,
+                user_api_key_dict=user_api_key_dict,
+                response=response,
             )
         except Exception as e:
             verbose_proxy_logger.exception(
diff --git a/litellm/proxy/hooks/presidio_pii_masking.py b/litellm/proxy/hooks/presidio_pii_masking.py
index 933d92550..6af7e3d1e 100644
--- a/litellm/proxy/hooks/presidio_pii_masking.py
+++ b/litellm/proxy/hooks/presidio_pii_masking.py
@@ -322,6 +322,7 @@ class _OPTIONAL_PresidioPIIMasking(CustomLogger):
 
     async def async_post_call_success_hook(
         self,
+        data: dict,
         user_api_key_dict: UserAPIKeyAuth,
         response: Union[ModelResponse, EmbeddingResponse, ImageResponse],
     ):
diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 659dc350f..adecb2eb6 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -3136,7 +3136,7 @@ async def chat_completion(
 
         ### CALL HOOKS ### - modify outgoing data
         response = await proxy_logging_obj.post_call_success_hook(
-            user_api_key_dict=user_api_key_dict, response=response
+            data=data, user_api_key_dict=user_api_key_dict, response=response
         )
 
         hidden_params = (
@@ -3350,6 +3350,11 @@ async def completion(
                 media_type="text/event-stream",
                 headers=custom_headers,
             )
+        ### CALL HOOKS ### - modify outgoing data
+        response = await proxy_logging_obj.post_call_success_hook(
+            data=data, user_api_key_dict=user_api_key_dict, response=response
+        )
+
         fastapi_response.headers.update(
             get_custom_headers(
                 user_api_key_dict=user_api_key_dict,
diff --git a/litellm/proxy/utils.py b/litellm/proxy/utils.py
index d1d17d0ef..94862db9a 100644
--- a/litellm/proxy/utils.py
+++ b/litellm/proxy/utils.py
@@ -717,6 +717,7 @@ class ProxyLogging:
 
     async def post_call_success_hook(
         self,
+        data: dict,
         response: Union[ModelResponse, EmbeddingResponse, ImageResponse],
         user_api_key_dict: UserAPIKeyAuth,
     ):
@@ -738,7 +739,9 @@ class ProxyLogging:
                     _callback = callback  # type: ignore
                 if _callback is not None and isinstance(_callback, CustomLogger):
                     await _callback.async_post_call_success_hook(
-                        user_api_key_dict=user_api_key_dict, response=response
+                        user_api_key_dict=user_api_key_dict,
+                        data=data,
+                        response=response,
                     )
             except Exception as e:
                 raise e
diff --git a/litellm/tests/test_azure_content_safety.py b/litellm/tests/test_azure_content_safety.py
index 7b040fb25..dc80c163c 100644
--- a/litellm/tests/test_azure_content_safety.py
+++ b/litellm/tests/test_azure_content_safety.py
@@ -1,8 +1,13 @@
 # What is this?
 ## Unit test for azure content safety
-import sys, os, asyncio, time, random
-from datetime import datetime
+import asyncio
+import os
+import random
+import sys
+import time
 import traceback
+from datetime import datetime
+
 from dotenv import load_dotenv
 from fastapi import HTTPException
 
@@ -13,11 +18,12 @@ sys.path.insert(
     0, os.path.abspath("../..")
 )  # Adds the parent directory to the system path
 import pytest
+
 import litellm
 from litellm import Router, mock_completion
-from litellm.proxy.utils import ProxyLogging
-from litellm.proxy._types import UserAPIKeyAuth
 from litellm.caching import DualCache
+from litellm.proxy._types import UserAPIKeyAuth
+from litellm.proxy.utils import ProxyLogging
 
 
 @pytest.mark.asyncio
@@ -177,7 +183,13 @@ async def test_strict_output_filtering_01():
 
     with pytest.raises(HTTPException) as exc_info:
         await azure_content_safety.async_post_call_success_hook(
-            user_api_key_dict=UserAPIKeyAuth(), response=response
+            user_api_key_dict=UserAPIKeyAuth(),
+            data={
+                "messages": [
+                    {"role": "system", "content": "You are an helpfull assistant"}
+                ]
+            },
+            response=response,
         )
 
     assert exc_info.value.detail["source"] == "output"
@@ -216,7 +228,11 @@ async def test_strict_output_filtering_02():
     )
 
     await azure_content_safety.async_post_call_success_hook(
-        user_api_key_dict=UserAPIKeyAuth(), response=response
+        user_api_key_dict=UserAPIKeyAuth(),
+        data={
+            "messages": [{"role": "system", "content": "You are an helpfull assistant"}]
+        },
+        response=response,
     )
 
 
@@ -251,7 +267,11 @@ async def test_loose_output_filtering_01():
     )
 
     await azure_content_safety.async_post_call_success_hook(
-        user_api_key_dict=UserAPIKeyAuth(), response=response
+        user_api_key_dict=UserAPIKeyAuth(),
+        data={
+            "messages": [{"role": "system", "content": "You are an helpfull assistant"}]
+        },
+        response=response,
     )
 
 
@@ -286,5 +306,9 @@ async def test_loose_output_filtering_02():
     )
 
     await azure_content_safety.async_post_call_success_hook(
-        user_api_key_dict=UserAPIKeyAuth(), response=response
+        user_api_key_dict=UserAPIKeyAuth(),
+        data={
+            "messages": [{"role": "system", "content": "You are an helpfull assistant"}]
+        },
+        response=response,
     )
diff --git a/litellm/tests/test_presidio_masking.py b/litellm/tests/test_presidio_masking.py
index 193fcf113..35a03ea5e 100644
--- a/litellm/tests/test_presidio_masking.py
+++ b/litellm/tests/test_presidio_masking.py
@@ -88,7 +88,11 @@ async def test_output_parsing():
         mock_response="Hello <PERSON>! How can I assist you today?",
     )
     new_response = await pii_masking.async_post_call_success_hook(
-        user_api_key_dict=UserAPIKeyAuth(), response=response
+        user_api_key_dict=UserAPIKeyAuth(),
+        data={
+            "messages": [{"role": "system", "content": "You are an helpfull assistant"}]
+        },
+        response=response,
     )
 
     assert (