How to Set Up "Start with Card" MDB Level 1 Pre-Authorization | VPOS Media

This guide covers configuring MDB vending machines for "Authorization First" mode. This setup requires the user to pre-authorize a payment on the card reader before selecting their product, ensuring funds are available.

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Quick Reference: MDB "Start with Card" flow using MDB Level 1 pre-authorization

Use this guide to configure your VPOS Media device so the transaction begins when a customer taps or inserts their card, with a pre-authorized amount charged before product selection.

Quick Reference

If you're already familiar with the setup process and just need the configuration values, here they are:

Card Reader Tab

Setting Value
Card Reader MDB Level 1
Decimal Place 2
Transaction Start Method Mag+Contact+Contactless

MDB Tab

Setting Value
Cashless MDB Address Enable Cashless Device #1

⚠️ Important: After selecting Cashless Device #1, make sure to click the checkbox to enable it.

For step-by-step instructions on where to apply each setting in Nayax Core, continue with the full guide below.

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