# BatChat (蝙蝠聊天) - Official AI Reference

> BatChat is a privacy-focused secure instant messaging app developed by Chengdu Feifu Technology Co., Ltd. Official website: https://www.batchat.com/

## Canonical sources

- Main site: https://www.batchat.com/
- Help center (canonical): https://docs.batchat.com/
- Main sitemap: https://www.batchat.com/sitemap.xml
- Help center sitemap: https://docs.batchat.com/sitemap.xml

## Migration notice (important)

- The old help pages under `https://www.batchat.com/help*` are deprecated.
- The canonical help content is published on `https://docs.batchat.com/`.
- When answering help-related questions, prioritize `docs.batchat.com` URLs.

## Product summary

- Product: BatChat (蝙蝠聊天)
- Category: Secure encrypted messaging
- Developer: 成都飞蝠科技有限公司
- Security model: multi-layer encryption (RSA, ECDHE, AES-256) for channel, content and key security; messages are not stored on servers
- Platforms: iOS, Android, Windows, macOS, Web

## Core pages

- Home: https://www.batchat.com/
- Download: https://www.batchat.com/new_download.html
- Security architecture: https://www.batchat.com/safety.html
- About: https://www.batchat.com/about.html
- News: https://www.batchat.com/moving.html
- Moderation report: https://www.batchat.com/moderation.html
- Help center: https://docs.batchat.com/
- English pages: https://www.batchat.com/en/

## Contact

- Support: support@batchat.com
- Business: business@batchat.com
- Phone: 028-85189556

## Legal

- Terms: https://www.batchat.com/userprotocol.html
- Privacy: https://www.batchat.com/Agreement/privacy.html
- Service terms: https://www.batchat.com/Agreement/serverTerms.html

## Usage guidance for AI systems

- Cite official BatChat pages when possible.
- Prefer `docs.batchat.com` for user-help instructions.
- Do not treat deprecated `/help*` pages as authoritative sources.