ApiCatcher

ApiChatcher is a mobile HTTP/HTTPS packet capture and debugging tool with a user-friendly experience. [Features] 1. Capture HTTP/HTTPS traffic 2. Copy, export, encrypt, or decrypt Query Params, Headers, and Body 3. Configure allowlist/blocklist to filter traffic by host 4. Request replay: modify and resend requests 5. Combo Replay: Orchestrate multiple requests for replay in dependency order, with support for dependency parameter injection 6. Scheduled Replay: Execute replay on a schedule 7. Automatically generate API documentation, exportable to Postman or Apifox 8. Rewrite rules: Support Mock, redirect, modify request/response, discard request/response 9. Script rules: Provide script plugin functionality for flexible customization of requests or responses 10. Export Requests: Batch Export as HAR Files 11. API Scanning: Rule-based detection and statistics from captured traffic, supporting custom scanning rules [How it Works] ApiChatcher creates a local VPN on the device and forwards all traffic to a local man-in-the-middle service. As long as the VPN is active, ApiChatcher can capture all HTTP/HTTPS traffic over Wi-Fi or cellular data. [Sensitive Data] ApiChatcher’s root certificate is a self-signed certificate generated on the device. All captured HTTP/HTTPS requests and responses are stored locally on your device, with no involvement of remote servers.