# Webhook API

- [概述](/webhook-api/gai-shu.md)
- [查询用户账户余额](/webhook-api/cha-xun-yong-hu-zhang-hu-yu-e.md)
- [执行外部系统调额](/webhook-api/zhi-xing-wai-bu-xi-tong-tiao-e.md)
- [取消外部系统调额](/webhook-api/qu-xiao-wai-bu-xi-tong-tiao-e.md)