APISpider is a lightweight API client for testing, debugging, and documenting REST APIs. It includes request history, collections, environment variables, mock servers, and API docs — all designed to keep your workflow fast and distraction-free.
Requestly Alternatives
Requestly is described as 'Lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc' and is a http(s) debugger in the development category. There are more than 25 alternatives to Requestly for a variety of platforms, including Mac, Windows, Linux, Google Chrome and Web-based apps. The best Requestly alternative is Postman, which is free. Other great apps like Requestly are mitmproxy, Fiddler, Yaak and Hoppscotch.