Fiddler
FreeFiddler is a free web debugging proxy that logs HTTP(S) traffic between your computer and the Internet. It allows you to inspect and modify traffic, set breakpoints, mock responses, and analyze performance.
Discover Windows Softwares to REST API Debugging.
Provides tools to inspect, test, and debug interactions with RESTful APIs.
Fiddler is a free web debugging proxy that logs HTTP(S) traffic between your computer and the Internet. It allows you to inspect and modify traffic, set breakpoints, mock responses, and analyze performance.