RESTed - RESTed allows developers to quickly format and make HTTP requests and view the response.
HttpMaster - HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.
Advanced REST Client (ARC) - API testing tool. Which allows web developers to create and test custom HTTP requests.
API Fortress - API performance, accuracy, and uptime testing. Without code.
Insomnia REST - The most intuitive cross-platform REST API Client ð´
Hoppscotch - Open source API development ecosystem