Alipay+ SDK encapsulates and processes complex scenarios between merchant and Mobile Payment Provider (also known as MPP). Therefore, by using SDKs Mobile Payment Provider and Merchants can save efforts in payment scenarios where Issuing Participant's apps are involved.
Alipay+ client SDK and server SDK are provided for your choice. Depending on the product you use, you might integrate only Client SDK or both client and server SDK. Read this document for more information about how to use the SDKs and the SDK interfaces.