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.

Postman claims that its API hub is the world’s largest, with customized workspaces built on it and created by Microsoft, Stripe, Meta, Notion, Intel and Oracle, among others.

However, large companies with over 5,000 developers already struggle with API sprawl, according to a survey supporting API platform Postman’s 2023 State of the API Report. Thirty-one percent of ...

Using Postman’s UI, I can hit any internal or external API. We support multiple protocols like HTTP, GraphQL, and gRPC, which are popular in microservices.