API-Xray

日本語はこちら

A fully open-source browser extension developer tool released under the MIT License. It captures, inspects, and analyzes API request/response logs in real-time, featuring an instant JWT decoder and cURL command generator.

Copyright (c) 2026-present cyan-cs

1. Features

• Real-time API Tracking: Capture and view request history, status codes, and methods inside a clean UI.
• Instant JWT Decoder: Automatically detects authorization headers, extracts payload claims, and checks token expiration status.
• Call Frequency Stats: View call frequency metrics to find bottlenecks instantly.
• Developer Utilities: Copy response JSON, download full logs, or generate exact cURL commands with a single click.

2. Installation

Since this extension is built with Plasmo, you can load it into your browser as an unpacked extension:

1. Download or clone this repository.
2. Run npm install and npm run build to generate the production build.
3. Open Chrome and navigate to chrome://extensions/.
4. Enable Developer mode (top-right toggle).
5. Click Load unpacked and select the build/chrome-mv3-prod folder.

3. Build & Development

This project uses npm as the standard package manager.

Development Mode

Run the live-reloading development server:

npm run dev

Build for Production

Compile and bundle the extension:

npm run build

4. Configuration & Workflow

• ESLint & Prettier: Standardized configurations are included (.eslintrc.json, .prettierrc.mjs) to keep the codebase clean.
• GitHub Actions: Includes an optional production-ready workflow for automated browser store publishing via Plasmo BPP.

5. License

All API-Xray code is released under the MIT License.

6. Privacy Policy

For the detailed Privacy Policy, please refer to PRIVACY.en.md.

7. Support

If you like it, I'd appreciate it if you could give it a star!