A modern, terminal-based API testing and development tool with a clean TUI (Text User Interface). Postboy helps you design, test, and debug HTTP requests efficiently, all from your terminal.
- Intuitive TUI: Clean, keyboard-driven interface for rapid API testing.
- Request Composer: Easily create and edit HTTP requests (GET, POST, PUT, DELETE, etc.).
- History Management: Automatically saves and organizes your request history.
- Response Viewer: Pretty-prints JSON, XML, and raw responses.
- Theming: Switch between ten different themes.
- Mock Server: Quickly spin up mock endpoints for local testing.
- Logging: Detailed request/response logs for debugging.
- Keyboard Shortcuts: Efficient navigation and actions.
- Configurable: Customize settings to fit your workflow.
npm i -g postboy-tui@latest
#or
bun i -g postboy-tui@latest-
Launch TUI interface:
postboy-tui ui
-
Send a test API request (interactive prompt):
postboy-tui run
-
List available mock API endpoints:
postboy-tui mock-list
A clean, keyboard-driven interface designed for productivity. Navigate between panels, compose requests and view responses without leaving your terminal.
Create and edit HTTP requests with support for all major methods. Add headers, body and query parameters with ease.
Automatically saves every request you make. Browse, search and re-run previous requests.
View responses in a pretty-printed format. Supports JSON, XML and raw text. Syntax highlighting for easy reading.
Switch between light and dark themes to suit your preference.

- categorized mock api lists
- get a bunch of mock apis for testing the clients under development.
Detailed logs of all requests and responses, including headers, status codes, and timings.
Navigate and perform actions quickly using intuitive keyboard shortcuts.
Customize settings such as themes, default headers, and more to fit your workflow.
Contributions are welcome! Please open issues or submit pull requests for new features, bug fixes, or improvements.
- Fork the repository
- Create your feature branch (
git checkout -b feature/YourFeature) - Commit your changes (
git commit -m 'Add some feature') - Push to the branch (
git push origin feature/YourFeature) - Open a pull request
For support, questions, or feedback, please open an issue or contact the maintainer.