Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).

HyperTest is a no-code test automation tool that regresses all your APIs by auto-generating integration tests using your network traffic, also giving a way to reproduce these failures inside actual user-journeys.

Professional software tool for HTTP testing and debugging

ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

RapidAPI for Mac is a full-featured HTTP client that lets you test and describe the APIs you build or consume. It has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions.