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Test HTTP endpoints directly from your browser without CORS restrictions.\n\n## Architecture\n\n```\npostmaster/\n├── apps/\n│   ├── api/     # Express proxy server (Bun runtime)\n│   └── web/     # React frontend (Vite + TypeScript)\n└── package.json # Monorepo root\n```\n\n## Tech Stack\n\n**Frontend:** React 18, TypeScript, Vite, Tailwind CSS, Radix UI  \n**Backend:** Express, Bun, Axios, Zod, Pino\n\n## Features\n\n- Send HTTP requests (GET, POST, PUT, PATCH, DELETE)\n- Custom headers and query parameters\n- JSON body editor\n- Request history\n- Optional CORS proxy bypass\n\n## Environment Variables\n\n| Variable         | App | Default                           | Description    |\n| ---------------- | --- | --------------------------------- | -------------- |\n| `PORT`           | API | `3000`                            | Server port    |\n| `VITE_PROXY_URL` | Web | `http://localhost:3000/api/proxy` | Proxy endpoint |\n\n## API Endpoints\n\n```\nPOST /api/proxy\n```\n\n**Request Body:**\n\n```json\n{\n  \"url\": \"https://api.example.com/data\",\n  \"method\": \"GET\",\n  \"headers\": { \"Authorization\": \"Bearer token\" },\n  \"data\": {}\n}\n```\n\n## Security\n\nThe proxy server includes SSRF protection:\n\n- Blocks localhost, private IPs, and cloud metadata endpoints\n- Blocks IPv4-mapped IPv6 addresses\n- Disables redirect following\n- Request timeout (30s) and size limits (10MB)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdcs-soni%2Fpostmaster","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdcs-soni%2Fpostmaster","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdcs-soni%2Fpostmaster/lists"}