4. Payment Flow Overview

4.1 Merchant Scan Overview


  1. Customers select merchandise products.
  2. Cashier places the order and chooses the payment channel.
  3. Cashiers scan QR/barcode from customer e-wallet apps. © 2005 - 2025 Fiuu (Formerly known as Razer Merchant Services) PCI-DSS v4.0 compliant & ISO/IEC 27001:2022 certified All rights reserved. All trademarks are the property of their respective owners. 17 Fiuu ^ Powering Future Payments
  4. Merchant servers capture QR/barcode and request payment service to the payment gateway server.
  5. Merchant process payment upon receiving of payment response from payment gateway.

4.2 Customer Scan Overview


  1. Customers select merchandise products.
  2. Cashier places the order and chooses the payment channel.
  3. Merchant server requests Pre-Create Transaction QR Code service to PG server.
  4. Merchant displays QR on screen while getting Pre-Create Transaction QR Code response from PG server.
  5. Customer scan the on screen QR code with e-wallet apps and complete the payment in apps
  6. PG will callback payment notifi cation to the merchant server upon receiving a success callback from the provider.
  7. Merchant process payment upon receive payment notifi cation from PG

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Merchant required to perform payment reversal if NOT getting payment notification from PG after 1 minute or 60 seconds