How do I accept contactless payments in CheckoutX POS?

From the home screen, go to the Charge customer option → Enter the products or the amount (which can be added, subtracted, multiplied and divided) → Click Continue → Select Pay by Card if you have multiple payment methods activated → Have the customer tap their card on the NFC-chip in the device. For CheckoutX POS app, the NFC-chip is located somewhere on your device. Usually, it's on the back of the device if you are using Android, or in the front top if you are using an iPhone.