How to Refund SumUp Transactions on the POS
Integrate your credit card payments providers with AirPOS
If you are using the AirPOS App Store version 3.8.18, and have previously setup your Zettle integration in your backoffice, you should first disable Zettle in Payments Settings, before updating your
The iZettle Card Reader 2 now connects to your tablet via Low Energy Bluetooth and doesn't need to be paired with your tablet in the same way as before.
You can access these settings by tapping or clicking on the settings cogwheel and selecting 'Payments' from the left margin
If you should need to refund a sale that was made using iZettle this can be done entirely within the AirPOS application if you are refunding the entire transaction. The process is fully integrated with AirPOS.