Mashery does not have a way to track duplicate requests.
Environment
All Supported Platforms
Resolution
Here are some alternate options for this usecase #Rate&Quota Limits If only a particular customer is sending such duplicate calls, please look into configuring lower limits for their apikey(s) or plan(s)
#Caching If most of these duplicates are GET calls, please consider enabling caching on the endpoint(s).
Issue/Introduction
This article provides inputs on whether Mashery can detect and handle duplicate calls.