Step 1: Prepare to read KHQR

• Developers shall check and test if the acquirer system can generate QR Code compliant with KHQR Specification, or parse KHQR Code from PAYON's aggregator.

How to generate/read KHQR?

This QR code can be generated via Bakong Mobile/Desktop app with Receive Function or by using Bakong page: www.bakong.nbc.org.kh . FIs can also use the API as presented detail in this link: KHQR API specification

Figure 01: PG Display QR Screen

Requirements

Step 01 : Merchant create an order

• Create order at merchant side (eCommerce etc)

• Send order information to PAYON's PG.

Step 02: PAYON's create 3rd party payment invoice.

• 3rd party need to provide API for initialize transaction for QR payment

  • Register Payment Invoice at 3rd party system.

  • Return KHQR String from 3rd party system.

Step 03: Generate QR code

• Get QR code string from 3rd party, then generate to QR code image display as Figure 01.