Overview
End-users choose ZaloPay Payment method on the Merchant Apps, then the ZaloPay App will launch for payment on purpose.

Integration model
Explain the term
End-user: customers who use ZaloPay account
Merchant: seller, individuals or business units, providing services or / and products.
ZaloPay: online payment platform that helps Merchant integrate more convenient forms of payment for End-user.
INTEGRATION STEPS
- End-users choose ZaloPay Payment method on the Merchant application.
- Merchant send request to ZaloPay (create order API). ZaloPay server return the order's information to Merchant-side.
- Merchant application will ask user to allow open ZaloPay app to processing payment, the SDK will open ZaloPay/Zalo app to proceed the payment
- If payment successfully, ZaloPay app auto relaunch Merchant app to display payment result and ZaloPay server will notify Merchant server about this
