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.

Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.

The world’s first API testing platform that auto-generates unit test cases with dependency mocks from API calls. Using advanced AI, it simplifies test creation, debugging, and evolution, ensuring comprehensive coverage and boosting software quality.

Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.

Professional software tool for HTTP testing and debugging