Development — entry 068 of 100
Postman
Postman is the widely used API platform for designing, testing, documenting, and monitoring APIs, built around collections of saved requests that can be organized into workspaces, run via a CLI/CI runner (Newman), and shared with a team. Beyond the desktop/web client, Postman exposes its own REST API (api.getpostman.com) for programmatically managing collections, environments, and workspaces, authenticated with an X-Api-Key header. The free plan covers individual use with generous request/collection limits; paid Basic, Professional, and Enterprise tiers add larger teams, more API calls, and governance features.
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<a href="https://greatapis.com/api/postman/"><img src="https://greatapis.com/badge/postman.svg" alt="Scored 75 on greatapis.com"></a>Auth quickstart
- Sign up with the provider to get an API key.
- Send it on every request as a header
Authorization: <key> - The exact header isn't documented — Authorization is a common default; confirm in the provider's docs.
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.