Hoppscotch — Open-Source API Development Platform

Hoppscotch Features

Protocol Support

Testing AI APIs

POST https://api.openai.com/v1/chat/completions

Headers:
  Authorization: Bearer {{OPENAI_API_KEY}}
  Content-Type: application/json

Body:
{
  "model": "gpt-4o",
  "messages": [{"role": "user", "content": "Hello!"}],
  "stream": true
}

// Response streams in real-time in the SSE tab

Collections & Environments

• Organize requests into folders and collections
• Environment variables (dev, staging, production)
• Share collections with team members
• Import/export Postman collections

Pre/Post Request Scripts

// Pre-request: Generate timestamp
pw.env.set("timestamp", Date.now().toString());

// Post-request: Extract token
const token = pw.response.body.access_token;
pw.env.set("auth_token", token);

CLI for CI/CD

npm install -g @hoppscotch/cli
hopp test -e production my-collection.json

Team Workspaces

• Shared collections and environments
• Role-based access control
• Real-time collaboration
• Activity history

Keyboard-First Design

Every action has a shortcut. Send request: Ctrl+Enter. New request: Ctrl+N. Switch tabs: Ctrl+1-9.

FAQ

Q: What is Hoppscotch? A: Hoppscotch is an open-source API platform with 78,700+ GitHub stars for testing REST, GraphQL, WebSocket, SSE, and gRPC APIs. Fast, keyboard-driven Postman alternative.

Q: Can I import my Postman collections? A: Yes. Hoppscotch imports Postman v2 collections, OpenAPI/Swagger specs, and cURL commands.

Q: Is Hoppscotch free? A: Yes, open-source under MIT license. Web app is free. Self-host for free.