What happens if my single-use card purchase is declined? If the purchase is unsuccessful, the Zip single-use card will still be valid and you can try to complete the purchase again. If the error is ongoing you, unfortunately, may not be able to use a single-use card to shop on that website. Related articles Why am I seeing an error message when trying to pay with my single-use card? Is there a maximum spend when using a single-use card? What is Shop Everywhere? Where do single-use card purchases show in my account? Can I use my Zip single-use card for subscription services?