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

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

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

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.

Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.

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