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Apipost vs EchoAPI: catalog facts
Apipost	EchoAPI
Freemium The public SaaS version is free; private on-premises deployment is a paid option through…	Freemium Usable without an account, with paid plans listed on the pricing page.
macOS, Web	Command line
Supports HTTP, gRPC, WebSocket and Socket.IO debugging Compatible with Postman scripts	Works without logging in and offline Runs Postman scripts
Site and documentation are mainly in Chinese Private deployment requires contacting sales	Closed source Some features are tied to paid plans
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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