NIUM sends additional parameters with response of APIs documenting performance details as below:
- x-request-duration-ms: This header parameter shall be sent by NIUM in API response to each request and the value shall be the execution time in milliseconds.
- x-request-start-time: This header parameter shall be sent by NIUM in API response and the value shall be the UTC time for the start of execution of an API at NIUM end.