# 支付服务端接口

* [订单查询接口](zhi-fu-fu-wu-duan-jie-kou/ding-dan-cha-xun-jie-kou)
* [订单异步通知接口](zhi-fu-fu-wu-duan-jie-kou/ding-dan-yi-bu-tong-zhi-jie-kou)
* [签名生成规则](zhi-fu-fu-wu-duan-jie-kou/qian-ming-sheng-cheng-gui-ze)
