Payment flow

The following figure illustrates the work flow of In-app Payment.

1. Customer checks out in merchant app and chooses to pay with Alipay.
2. Merchant app sends a transaction request to Alipay.
3. Alipay returns a payment link to merchant app.
4. Merchant app processes the payment link and then invokes Alipay app. 
5. Customer completes payment in Alipay app.

User experience

The following example illustrates the key steps of the payment, and assumes that you use a smart phone of iOS system:
1. Buyers buy products or services on mobile application and choose to pay with Alipay:2. Login to pay:3. Enter the payment password to proceed:4. Confirmation pops up when payment has been made successfully:5. Transaction has been completed and buyers can view the transaction details: