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.

ReadyAPI is a low-code API testing platform for development teams that care about creating test automation across any workflow.

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

A modern, resource-friendly REST client for Windows 10

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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