About Postman Postman is the world’s leading API platform, used by more than 20 million developers and 500,000 organizations for building and using APIs.

About Postman Postman is the world’s leading API platform, used by more than 17 million developers and 500,000 organizations worldwide for building and using APIs.

Postman offers a development environment which a developer or a firm could use to build, publish, document, design, monitor, test and debug their APIs.