> For the complete documentation index, see [llms.txt](https://docs.ottpay.com/payment-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ottpay.com/payment-api/alipay-h5.md).

# API for Mobile Browser with Alipay

For easy implementation to call payment request API,  this API protocol is using Request Parameter to send transaction data and Return Redirect URL and Call Back URL

### Production API URL:

```
https://mppay.ottpay.com/wapPay?
```