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.

Simulate APIs, integrations, and environments at enterprise scale.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.

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

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

Swagger UI allows anyone — be it your development team or your end consumers — to visualize and interact with the API’s resources without having any of the implementation logic in place