Design, debug, and test APIs locally or in the cloud

Real API Design-first Development Platform Design. Debug. Test. Document. Mock. Build APIs Faster & Together.

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.

REST API client library for .NET

API Testing Platform that automatically generates unit test cases with dependency mocks from API calls