Hoppscotch
Open source API development ecosystem
Founded
2019
Starting Price
$0
Category
Developer Tools
Last updated April 27, 2026
About Hoppscotch
Hoppscotch is a free, open-source API development ecosystem trusted by millions of developers to build, test, document, and collaborate on APIs. It supports REST, GraphQL, WebSocket, MQTT, SSE, and Socket.IO protocols, and is available as a web app, desktop app, or CLI.
Pros & Cons
Pros
- Completely free and open-source with no feature limitations on the free tier
- Extremely lightweight and fast compared to heavier alternatives like Postman
- Supports a wide range of protocols including REST, GraphQL, WebSocket, MQTT, SSE, and Socket.IO
- Self-hosting option keeps sensitive API data within your own infrastructure
- Easy to get started — runs directly in the browser with no installation required
Key Features
RESTful API Testing
Send HTTP requests, inspect responses, and write assertions to validate API behavior
GraphQL Support
Dedicated GraphQL client with schema exploration, auto-completion, and query building
Real-Time Protocol Support
Test WebSocket, MQTT, SSE, and Socket.IO connections directly from the interface
Environment Variables
Manage environment variables and use them across requests for different deployment stages
Team Collaboration
Create workspaces for teams, organize requests in collections, and share them with collaborators in real-time
Self-Hosting
Deploy Hoppscotch on your own servers for full data privacy, security, and compliance
CLI & Desktop App
Platform-agnostic availability via web browser, native desktop application, or command-line interface
Pricing
Free
$0
- Unlimited workspaces
- Unlimited collections
- Unlimited requests
- Unlimited runners
- Community support
Best For
API Development & Debugging
Quickly test and debug REST and GraphQL APIs during development without leaving your browser
Team API Collaboration
Share API collections and workspaces with your development team for consistent testing practices
Self-Hosted API Testing
Deploy on your own infrastructure for organizations with strict data privacy and compliance requirements
Real-Time API Testing
Test WebSocket, MQTT, and SSE connections for real-time applications and IoT projects
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