If your purchase amount comes to more than the available funds in your Zip account, you'll need to make a copayment to cover the difference in order to complete the purchase.
How to make a copayment instore
You can pay the difference via cash or card, depending on which payment methods the store accepts.
How to make a copayment online
You'll be prompted to enter an alternative payment method to cover the difference. Your copayment needs to come from a debit card.
If your copayment has been accepted, the balance will be charged to your Zip account. If the co-payment you are trying to make is too high then you might need to apply for a limit increase or simply contact customer care.
Need a larger limit?
Look at applying for Zip Money.