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.

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

Automate API workflows. Chain HTTP requests. Validate. Zero code.

Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.

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

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