# 服务端 OpenAPI: 支付

订单、退款、签约、协议支付和支付结果回调。

| 文档 | Method | HTTP Path | 鉴权/凭证 |
| --- | --- | --- | --- |
| [预下单 data 与 dbAuthorization](request-order-data-and-authorization.md) | POST | `/requestOrder`（签名上下文） | 开发者私钥 + 开发者证书 |
| [代扣支付结果回调](withhold-payment-result-callback.md) | POST | `` | X-DB-Authorization 签名/验签 |
| [支付结果回调](payment-result-callback.md) | POST | `` | X-DB-Authorization 签名/验签 |
| [签约结果回调](sign-result-callback.md) | POST | `` | X-DB-Authorization 签名/验签 |
| [退款结果回调](refund-result-callback.md) | POST | `` | X-DB-Authorization 签名/验签 |
| [关闭协议支付订单](close-sign-pay.md) | POST | `/api/trade_basic/v1/developer/close_sign_pay` | X-DB-AccessToken |
| [创建协议支付订单](create-sign-pay.md) | POST | `/api/trade_basic/v1/developer/create_sign_pay` | X-DB-AccessToken + X-DB-SessionToken |
| [推送履约完成通知 fulfill_push_finish](fulfill-push-finish.md) | POST | `/api/trade_basic/v1/developer/fulfill_push_finish` | X-DB-AccessToken |
| [订单查询 order_query](order-query.md) | POST | `/api/trade_basic/v1/developer/order_query` | X-DB-AccessToken |
| [查询签约订单](query-sign-order.md) | POST | `/api/trade_basic/v1/developer/query_sign_order` | X-DB-AccessToken |
| [查询协议支付订单](query-sign-pay.md) | POST | `/api/trade_basic/v1/developer/query_sign_pay` | X-DB-AccessToken |
| [退款创建 refund_create](refund-create.md) | POST | `/api/trade_basic/v1/developer/refund_create` | X-DB-AccessToken |
| [退款查询 refund_query](refund-query.md) | POST | `/api/trade_basic/v1/developer/refund_query` | X-DB-AccessToken |
| [解除签约](terminate-sign.md) | POST | `/api/trade_basic/v1/developer/terminate_sign` | X-DB-AccessToken |