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API DashHoppscotch
Free

Free and open source.

 Freemium

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

Windows, macOS, Linux Windows, macOS, Linux, Web, Self-hosted, Browser extension
  • Generates client code in several languages
  • Previews 40+ response media types
  • Opens in a browser tab with nothing to install
  • HTTP, GraphQL, WebSocket, Server-Sent Events, Socket.IO and MQTT
  • Younger project than established API clients
  • No browser or mobile version
  • 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, Downloadable app, Self-hosted, Browser extension
Open source Open source
License not stated License: MIT
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

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