# 订单

- [预授权撤销](https://useepay.gitbook.io/developer/reference/api-reference-xin-yong-ka/order/authorizationvoid.md): 可对预授权交易进行撤销操作，撤销成功后，客户被冻结的资金将被解冻。
- [退款](https://useepay.gitbook.io/developer/reference/api-reference-xin-yong-ka/order/refund.md): 退款 API 支持全额退款和多次部分退款
- [订单详情](https://useepay.gitbook.io/developer/reference/api-reference-xin-yong-ka/order/order-detail.md): 当出现交互超时、异常时，可通过订单查询接口查询预授权、预授权完成、支付、预授权撤销、退款交易。
- [预授权完成](https://useepay.gitbook.io/developer/reference/api-reference-xin-yong-ka/order/capture.md): 请款扣除之前被预订的金额。预授权完成，只能在预授权成功才能被执行。预授权完成的金额，只能小于预授权的 金额，不能大于预授权的金额。


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