You can use Performance Monitoring Toolset to monitor incoming requests and see various metrics for REST, SOAP, or RPC requests.
You can see the following sections in the screen:
It is the total time taken to get the response of an incoming request. The response time of your requests is monitored and collected, and is shown as a line chart. You can further drill down the chart and visualize across various periods.
Top Slow URLs
You can see the time taken by each URL to execute. Based on this data, you can go back to the API and make modifications.
To view the following details, click a url:
The pie-chart displays the distribution of HTTP status codes of your REST API requests.
In the chart below, you can see that seven REST requests resulted in a status of 200. The rest resulted in status 204.
You can click each pie to drill down for details like ART for each URL and the time taken by each URL to execute.
The pie-chart displays the distribution of the number of request types (GET, POST) that were made by the REST API.
To drill down to details, such as, ART, number of requests made, and response time for a URL, click a pie