> For the complete documentation index, see [llms.txt](https://useepay.gitbook.io/developer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://useepay.gitbook.io/developer/reference/notify.md).

# 同步/异步通知

- [同步通知](https://useepay.gitbook.io/developer/reference/notify/redirecturl.md)
- [异步通知](https://useepay.gitbook.io/developer/reference/notify/notifyurl.md): 接口中的notifyUrl