Cambodia's digital payment landscape has grown rapidly, driven primarily by the adoption of the unified Bakong KHQR standard. For developers looking to build local e-commerce or subscription platforms, integrating this national payment rail has historically been a complex task due to strict payload requirements and transaction verification standards. This full-stack gateway provides a secure, lightweight implementation of the Bakong KHQR API to simplify payment integration.
Backend QR Generation and Currency Support
The backend layer, built using Node.js and Express.js, serves as the secure middleware that interfaces directly with banking API configurations. When a user initiates a checkout event, the server dynamically generates compliant KHQR codes customized with the merchant ID, transaction details, and multi-currency configurations, supporting both Cambodian Riel (KHR) and US Dollars (USD). This backend structure ensures that payment payloads remain secure from client-side tampering before being rendered.
Real-Time Verification and Frontend Display
On the client side, the application utilizes a simple, responsive frontend built with HTML5, Vanilla JavaScript, and Tailwind CSS to display the payment QR codes. To ensure immediate transaction completion, the backend implements real-time payment tracking, verifying payment success through the API and returning an instant confirmation to the user. This approach establishes a reliable, production-ready framework for handling modern payment flows in Cambodia.
