WeChat Pay

• Overview
• Countries & currencies
• Integration
• Process flows
• Testing
• Additional information
• FAQ

Process flows

In order to integrate WeChat Pay, please refer to our API Reference.

State Transition Diagram

Transaction flow - Desktop

1. The consumer places an order on your website and chooses to pay with WeChat Pay.
2. WeChat Pay checks the payment details and creates an order at their platform.
3. WeChat Pay send back the QR code data to Worldline. 
4. Merchant Displays the QR code to the consumer with the order amount.
5. Consumer scans the QR code in WeChat App on his mobile phone.
6. Real-time feedback on the transaction approval from WeChat Pay once the consumer completes the payment via the WeChat App.
7. Consumer WeChat APP communicates the payment results to WeChat Pay platform.
8. WeChat Pay communicates the payment result back to Worldline.
9. The payment status is communicated to you in real-time.
10. The funds are transferred within a few days after we are settled by WeChat Pay for the transaction.
11. We remit the collected payments to you. It also provides online and offline daily reports informing you on the payments received. Individual payments’ status is always available in the payment console.

Transaction flow - Mobile

1. The consumer places an order on your website and chooses to pay with WeChat Pay.
2. WeChat Pay checks the payment details and creates an order at their platform.
3. WeChat Pay send back the URL-intent to Worldline. 
4. Merchant Displays the URL-intent in a button to the consumer with the order amount.
5. Consumer selects the button and the WeChat APP launches automatically
6. Consumer WeChat APP communicates the payment results to WeChat Pay platform.
7. WeChat Pay communicates the payment result back to Worldline.
8. The payment status is communicated to you in real-time.
9. The funds are transferred within a few days after we are settled by WeChat Pay for the transaction.
10. We remit the collected payments to you. It also provides online and offline daily reports informing you on the payments received. Individual payments’ status is always available in the payment console.