> 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/guide/env.md).

# 环境 BASE\_URL

## SandBox <a href="#sandbox" id="sandbox"></a>

```
https://pay-gateway1.uat.useepay.com
```

## Prod <a href="#prod" id="prod"></a>

```
https://pay-gateway.useepay.com
```

### Tips

沙盒环境没有白名单限制，**生产环境有白名单限制**，因此需要注意，&#x8BF7;**`勿`**&#x4F7F;用client端请求UseePay server，请使用server端请求useepay