Go to the Deliveroo app and log-in/register for a Deliveroo account.
Go to "My Account"
Click on 'Vouchers and Credit'
Click 'Add Code' (iOS) or the '+' button (Android)
Enter the gift card code and press 'Submit'
If the code has been redeemed successfully you will see the below notification.
You will now see the balance added to your account credit.
The balance will automatically be deducted from the gift card balance when you place orders.
If you have any issues redeeming codes please contact firstname.lastname@example.org.