Open source API development platform that runs in the browser
Hoppscotch is an open source API client that runs in the browser, as a desktop app or on your own server. It tests REST, GraphQL, WebSocket, Socket.IO, MQTT and server-sent events with collections, environments, pre-request scripts and tests. Teams can share workspaces, and organizations can self-host the whole platform with Docker. A browser extension helps send requests that CORS would otherwise block.
- features
- 4
- alternatives
- 6
- platforms
- 6
- Updated
- Oct 12, 2026
Features
Our take
Pros
- Runs in the browser with nothing to install
- Supports REST, GraphQL, WebSocket, Socket.IO, MQTT and SSE
- The whole platform can be self-hosted with Docker
Cons
- In the browser, CORS limits require an extension or proxy
- Some team and enterprise features are paid
Editorial assessment by the Alternatives.tools team, based on what the product is known for. Not a user review.
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