hoppscotch
Alternative to Postman
Hoppscotch is a browser-based API development and testing tool. It requires no installation and supports REST, GraphQL, WebSocket, SSE, and more protocols with a fast, responsive interface.
- Browser-based with no installation, accessible by simply navigating to a URL
- Multi-protocol support for REST, GraphQL, WebSocket, SSE, MQTT, and gRPC
- Collection management for organizing and saving API requests in folders
- Environment variables for one-click switching between development and production
- Team features with real-time collection sharing and collaboration
- PWA support with Service Worker for offline access and native app-like experience
Built with Vue.js and Nuxt, Hoppscotch supports self-hosting alongside free use at hoppscotch.io. It serves as a lightweight, open Postman alternative favored by developers seeking fast API workflows.
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