>更新时间：2026.07.08

# 微信支付 - JSAPI合单支付（普通商户）文档索引

> JSAPI合单支付，提供商户在微信客户端内部浏览器网页中实现将多个商户的订单（普通商户模式只支持2-10笔订单，单笔收款请使用JSAPI支付）整合为一个订单进行收款的能力。

## 接入指引
- [产品介绍](https://pay.weixin.qq.com/doc/v3/merchant/4012077221.md)
- [常见问题](https://pay.weixin.qq.com/doc/v3/merchant/4013421298.md)
- [开发指引](https://pay.weixin.qq.com/doc/v3/merchant/4012078634.md)
- [开发接入准备](https://pay.weixin.qq.com/doc/v3/merchant/4015764634.md)
- [错误码](https://pay.weixin.qq.com/doc/v3/merchant/4020800335.md)

## API 列表
- [JSAPI合单下单](https://pay.weixin.qq.com/doc/v3/merchant/4012556926.md)
- [JSAPI调起支付](https://pay.weixin.qq.com/doc/v3/merchant/4012266069.md)
- [查询合单订单](https://pay.weixin.qq.com/doc/v3/merchant/4013421222.md)
- [关闭合单订单](https://pay.weixin.qq.com/doc/v3/merchant/4013421225.md)
- [合单订单支付成功回调通知](https://pay.weixin.qq.com/doc/v3/merchant/4013421231.md)
- [退款申请](https://pay.weixin.qq.com/doc/v3/merchant/4013421249.md)
- [查询单笔退款（通过商户退款单号）](https://pay.weixin.qq.com/doc/v3/merchant/4013421261.md)
- [发起异常退款](https://pay.weixin.qq.com/doc/v3/merchant/4013421269.md)
- [退款结果回调通知](https://pay.weixin.qq.com/doc/v3/merchant/4013421273.md)
- [申请交易账单](https://pay.weixin.qq.com/doc/v3/merchant/4013421277.md)
- [申请资金账单](https://pay.weixin.qq.com/doc/v3/merchant/4013421284.md)
- [下载账单](https://pay.weixin.qq.com/doc/v3/merchant/4013421294.md)

## 请求示例
- [JSAPI合单下单 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4012556926-curl.md)
- [JSAPI合单下单 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4012556926-java.md)
- [JSAPI合单下单 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4012556926-go.md)
- [关闭合单订单 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421225-curl.md)
- [关闭合单订单 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421225-java.md)
- [关闭合单订单 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421225-go.md)
- [发起异常退款 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421269-curl.md)
- [发起异常退款 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421269-java.md)
- [发起异常退款 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421269-go.md)
- [查询单笔退款（通过商户退款单号） - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421261-curl.md)
- [查询单笔退款（通过商户退款单号） - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421261-java.md)
- [查询单笔退款（通过商户退款单号） - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421261-go.md)
- [查询合单订单 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421222-curl.md)
- [查询合单订单 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421222-java.md)
- [查询合单订单 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421222-go.md)
- [申请交易账单 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421277-curl.md)
- [申请交易账单 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421277-java.md)
- [申请交易账单 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421277-go.md)
- [申请资金账单 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421284-curl.md)
- [申请资金账单 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421284-java.md)
- [申请资金账单 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421284-go.md)
- [退款申请 - curl 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421249-curl.md)
- [退款申请 - Java 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421249-java.md)
- [退款申请 - Go 示例](https://pay.weixin.qq.com/doc/v3/merchant/4013421249-go.md)

## 附录
- [管理商户号绑定的APPID账号](https://pay.weixin.qq.com/doc/v3/merchant/4013426141.md)

