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HoppscotchApipost
Freemium

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

 Freemium

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

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

Checked September 21, 2026

Checked October 1, 2026

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