1. Log in to the Back Office

Go to login.gpos.co.th , enter your email and password, and click Log In.
Once logged in, select the menu “Store Management” .

2. Access the Payment Method Settings Menu

Select the menu “Charge Management” then click the sub-menu “Payment Management” .

3. Add a New Payment Method

Click the “➕ Add” button to start creating a new payment method.

4. Enter Payment Method Details

In the detail section, specify the name of the payment method, such as :
QR PromptPay, Credit Card, Bank Transfer, etc.

Note : Maximum of 50 characters allowed.

5. Set Usage Status

Choose to Enable or Disable this payment method. If disabled, it will not appear on the POS screen as a payment option.

6. Configure Display Image on Customer Screen

Choose to Enable/Disable the “Show QR code on subscreen during payment
” feature.

Note : This feature is supported on dual-screen POS devices.

6.1 If Enabled Image shown on subscreen

The system will display an option to upload an image. Click “➕ Upload” to add the image to be shown on the customer-facing screen.

Note : Supported formats .jpg , .jpeg , .png and Maximum file size 6 MB

7. Upload a Payment Method Icon

Click “➕ Upload” to add an icon representing this payment method.

Note : Supported formats .jpg , .jpeg , .png and Maximum file size 6 MB

8. Select Refund Method

Choose a refund method to be recorded in the system. Once all fields are complete, click “Ok” to save the payment method.

Note : This is for record-keeping only and does not support automatic refunds.

9. Managing Existing Payment Methods

After adding a payment method, you can manage each one as follows :

• Edit – Change the name, image, status, or refund method.
• Disable – Hide the payment method from appearing on the POS.
• Delete – Remove the payment method entirely from the system.