How to Add a Payment Gateway

How to Add a Payment Gateway

How to Add a Payment Gateway

Vendtill Back Office


Vendtill POS supports integration with PAX and Wallee payment devices, enabling seamless card transactions directly through your POS system.

Step 1: Add Payment Gateway via Back Office

  1. Login to POS Back Office.
  2. Select Settings from the main menu.
  3. Go to Payment Types.
  4. Click Add Payment Type to create a new payment type.
  5. Tick Payment Gateway Enable.
  6. Select PAX or Wallee from the dropdown menu.
  7. Click Update to save.

 Ensure the payment device is connected to the same Wi-Fi network as the POS device.

Step 2.1: Configure PAX Terminal (A920)

  1. Open the Sierra App on your A920 terminal.
  2. Tap the Function tab and enter the password.
  3. Go to System Settings → scroll to the bottom → ECR-Terminal Integration Mode → change from Internal POS/Standalone to External POS.
  4. Go to Wi-Fi Settings, select your network, and enter password: pax9876@@.
  5. Note the terminal’s IP address for linking in POS.
  6. After setup, use the TYTS Application for processing payments.
  1. Open POS App → main menu → Settings.
  2. Select Payment Gateway.
  3. Enter the payment device’s IP Address and Port.
  4. Enable the status toggle and click Save.

Step 3: How to Do a Transaction

  1. Open POS App → New Sale.
  2. Select the item(s) and click Charge.
  3. In the payment interface, select the correct payment type from the dropdown.
  4. Click Charge and tick the correct gateway.
  5. Customer completes payment by tapping, swiping, or entering card details on the terminal.

Special Note

The Vendtill POS App currently supports PAX and Wallee devices only. For assistance with setup or adding other payment gateways, contact support@vendtill.com


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