Mockoon is the easiest and quickest way to design and run mock REST APIs.

Monitor network requests and API failures with real-time insights

Get unlimited email addresses and mailboxes for automating end-to-end tests with our simple APIs

JustJSON is a free, simple tool that lets developers quickly create, store, and manage JSON collections. Add, retrieve, and delete data with ease—perfect for testing, JSON placeholder, or mocking data for your apps.

Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Temp mail protects your privacy and keeps your inbox spam-free