Postman - The Collaboration Platform for API Development
HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.
Insomnia REST - The most intuitive cross-platform REST API Client ð´
API Fortress - API performance, accuracy, and uptime testing. Without code.
RESTer - A REST client for almost any web service (Firefox and Chrome extension).
Bearer - Bearer is an open source, fast and accurate static application security testing (SAST) tool that analyze your source code to discover, filter and prioritize security and privacy risks.