Hoppscotch

About

Hoppscotch is an open-source API development ecosystem — a lightweight, fast alternative to Postman and Insomnia. Available as a web app, desktop app, CLI, and PWA, it covers REST, GraphQL, WebSocket, Server-Sent Events, Socket.IO, and MQTT. Features include collections and folders, environments and variables, pre-request scripts and post-request tests, team workspaces with RBAC, code snippets in 10+ languages, and an optional proxy to bypass CORS. Self-host, use on-prem, or run the cloud version.

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