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Apipost vs Insomnia: catalog facts
Apipost	Insomnia
Freemium The public SaaS version is free; private on-premises deployment is a paid option through…	Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…
macOS, Web	Windows, macOS, Linux
Supports HTTP, gRPC, WebSocket and Socket.IO debugging Compatible with Postman scripts	REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional
Site and documentation are mainly in Chinese Private deployment requires contacting sales	Most features expect an account, even though a Scratch Pad works without one The 2023 move to account-first storage cost it a lot of goodwill
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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 21, 2026

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