# UPay API

## 🇨🇳 简体中文

- [介绍](https://docs.upay.ink/api/cn/doc.md): 本文阅读对象：使用 UPay 收款系统的技术架构师、研发工程师、系统运维工程师。通过本文档，商户可了解 UPay 接入的技术、接入的产品业务、流程、接入规范等信息，以便于商户顺利完成接入工作。
- [常见问题](https://docs.upay.ink/api/cn/faq.md): UPay API 常见问题，如有其他问题请联系客服。
- [安全说明](https://docs.upay.ink/api/cn/introduction/security.md)
- [签名算法](https://docs.upay.ink/api/cn/introduction/signature.md)
- [公共参数](https://docs.upay.ink/api/cn/introduction/public-parameters.md)
- [提交订单](https://docs.upay.ink/api/cn/order/submit-order.md)
- [订单分页查询](https://docs.upay.ink/api/cn/order/order-paging-inquiry.md)
- [订单异步通知](https://docs.upay.ink/api/cn/order/order-notify.md)
- [手动补单](https://docs.upay.ink/api/cn/order/supplement.md)
- [收银台](https://docs.upay.ink/api/cn/order/cashier.md)
- [提交代付](https://docs.upay.ink/api/cn/payment-out/withdrawal.md)
- [代付异步通知](https://docs.upay.ink/api/cn/payment-out/withdraw-asynchronous-notification.md)
- [提交订单](https://docs.upay.ink/api/cn/onramp/submit-order.md)
- [订单异步通知](https://docs.upay.ink/api/cn/onramp/order-notify.md)
- [电商平台支付插件](https://docs.upay.ink/api/cn/woocommerce/e-commerce.md)
- [法币闪兑支付插件](https://docs.upay.ink/api/cn/woocommerce/on-ramp.md)

## 🇺🇸 English

- [Introduction](https://docs.upay.ink/api/doc.md)
- [FAQ](https://docs.upay.ink/api/faq.md): UPay API FAQ. If you have any other questions, please contact customer service.
- [Security Notes](https://docs.upay.ink/api/introduction/security.md)
- [Signature Algorithm](https://docs.upay.ink/api/introduction/signature.md)
- [Public Parameters](https://docs.upay.ink/api/introduction/public-parameters.md)
- [Submit Order](https://docs.upay.ink/api/order/submit-order.md)
- [Order Asynchronous Notification](https://docs.upay.ink/api/order/order-notify.md)
- [Order Paging Query](https://docs.upay.ink/api/order/order-paging-query.md)
- [Manual replenishment order](https://docs.upay.ink/api/order/supplement.md)
- [Cashier](https://docs.upay.ink/api/order/cashier.md)
- [Withdrawal](https://docs.upay.ink/api/payment-out/withdrawal.md)
- [Withdraw Asynchronous Notification](https://docs.upay.ink/api/payment-out/withdraw-asynchronous-notification.md)
- [WooCommerce](https://docs.upay.ink/api/payment-out/woocommerce.md)
- [WooCommerce – WordPress plugin](https://docs.upay.ink/api/woocommerce/woocommerce.md)
- [Upay Ramp Gateway Plugin](https://docs.upay.ink/api/woocommerce/upay-ramp-gateway-plugin.md)