Email and SMS APIs for developers, QA teams, and marketing. Create and control phone numbers and email accounts at scale.

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.

Free Disposable Temporary Email address Generator

Simulate APIs, integrations, and environments at enterprise scale.

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.

Explore your app like a real user, operating a real web browser, handling login (with MFA), handling email interactions, all whilst operating large multi-step user journeys. Any bugs are reported along with auto-generated Playwright tests.