Why haven’t I received cashback for my recent Zip Rewards transaction? If you have not received cashback on an eligible transaction please contact our customer care team below with the date and the amount of the purchase. Rewards terms & conditions can be found here. Related articles How long does it take for Rewards to be applied? How do I contact Zip Support? | Zip Australia Redeem Rewards in your Zip App! Will my Rewards balance expire? What are Zip Rewards?