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.

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

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

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

Playwright enables reliable end-to-end testing for modern web apps.

Unifying API testing, API Performance testing, API Mocks and UI testing.