The Merchant QR Code Payment solution is making use of a static QR code to represent the account of a merchant. In this payment solution, the customer needs to scan the QR code and then input the amount to complete the payment.
To provide such a payment service, one solution is that the merchant integrates with Alipay system through the interfaces that have been developed for this product.
This document targets at the technical person who are intending to integrate with the Merchant QR Code Payment solution.
Quick Response Code (QR Code) consists of black squares arranged in a square grid on a white background, which can be read by an imaging device and processed. The required data are then extracted from patterns that are present in both horizontal and vertical components of the image, as depicted below.
In this Merchant QR Code payment solution, a merchant can use a static QR Code to represent their cashier account.
In this context, the interface is the channel that the Alipay system provides the relevant service by invoking the corresponding APIs with the required parameter values. Throughout this guide, we may use interface and serive interchangeably.