About Postman Postman is the world's leading API platform, used by more than 20 million developers and 500,000 organizations worldwide 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.

LOS ANGELES, June 04, 2025--POST/CON — Postman, the world’s leading API collaboration platform, today announced new capabilities that make it dramatically easier to design, test, deploy, and ...

Postman’s API network already features an API hub with contributions from over 18,000 companies, which now, in turn, also allows its users to build AI agents that can interact with these APIs.

Postman, a five-year-old startup that is attempting to simplify development, tests and management of APIs through its platform, has raised $50 million in a new round to scale its business.