postmanについて、ここに記述してください。
https://blog.postman.com/what-is-an-api-first-company/
What Is an API-First Company? Kin Lane December 1, 2021· 9 mins
What is Postman?
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.