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ApipostHoppscotch
Freemium

The public SaaS version is free; private on-premises deployment is a paid option through…

 Freemium

Free and open source under the MIT licence, including self-hosting. A paid cloud plan…

macOS, Web Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Supports HTTP, gRPC, WebSocket and Socket.IO debugging
  • Compatible with Postman scripts
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Site and documentation are mainly in Chinese
  • Private deployment requires contacting sales
  • The browser version needs an extension or the desktop app to reach local services
  • Team collaboration features are the paid part
Downloadable app, Web application Web application, Downloadable app, Self-hosted, Browser extension
Closed source Open source
License not stated License: MIT
Not stated if an account is needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

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