What does WeChat Pay SDK mean?

WeChat payment is a payment function integrated in WeChat client, and users can complete the fast payment process through mobile phones. Wechat payment is based on bank card fast payment, providing users with safe, fast and efficient payment services. Users only need to associate a bank card with WeChat and complete the identity authentication, then they can turn the smartphone with WeChat app into a universal wallet, and then they can purchase the goods and services of the cooperative merchants. When paying, the user only needs to enter the password on the smart phone, and the payment can be completed without any swiping steps. The whole process is simple and smooth. At present, WeChat payment has realized credit card payment, code scanning payment, WeChat official account payment and APP payment, and provided new marketing tools such as corporate red envelopes, vouchers and discounts to meet different payment scenarios of users and merchants.