This is the easy part! For FavePay transactions made to our online partners, the total bill amount will be pre-filled for you.
Use the Fave app on your mobile to scan the QR code displayed on the partner's website. The total bill amount will appear on your mobile readily for you to continue with payment.
The total bill amount will appear after you redirected to the payment page on Fave.
You may also refer here for the full step-by-step guide on making your FavePay transaction online.