diff --git a/litellm/integrations/datadog.py b/litellm/integrations/datadog.py
index d835b3d670..98c71597d1 100644
--- a/litellm/integrations/datadog.py
+++ b/litellm/integrations/datadog.py
@@ -91,12 +91,12 @@ class DataDogLogger:
                 "id": id,
                 "call_type": call_type,
                 "cache_hit": cache_hit,
-                "startTime": start_time,
-                "endTime": end_time,
-                "responseTime (seconds)": response_time,
+                "start_time": start_time,
+                "end_time": end_time,
+                "response_time": response_time,
                 "model": kwargs.get("model", ""),
                 "user": kwargs.get("user", ""),
-                "modelParameters": optional_params,
+                "model_parameters": optional_params,
                 "spend": kwargs.get("response_cost", 0),
                 "messages": messages,
                 "response": response_obj,