diff --git a/tweepy/api.py b/tweepy/api.py
index 5dfb6d03a..64348462a 100644
--- a/tweepy/api.py
+++ b/tweepy/api.py
@@ -131,6 +131,8 @@ def request(
                 continue
             if k in params:
                 raise TweepError(f'Multiple values for parameter {k} supplied!')
+            if k not in endpoint_parameters:
+                log.warning(f'Unexpected parameter: {k}')
             params[k] = str(arg)
 
         log.debug("PARAMS: %r", params)