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

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