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Postman vs EchoAPI: catalog facts
Postman	EchoAPI
Freemium A free tier covers individual use with limits on collaborators, collection runs and…	Freemium Usable without an account, with paid plans listed on the pricing page.
Windows, macOS, Linux, Web, Browser extension	Command line
The most widely used API client, so collections and tutorials for it are everywhere Collections with environments, pre-request and test scripts, and a built-in runner	Works without logging in and offline Runs Postman scripts
Built around a cloud workspace, and an account is effectively required Offline and local-only use has become harder over successive versions	Closed source Some features are tied to paid plans
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.