“Do Not Honor” refusals
The response “05: Do Not Honor” is a generic error message for refused payments.
It can be caused by various reasons but most frequently by the shopper’s bank. Unfortunately, we don’t have the details on why “Do Not Honor” payments get refused.
What to do with a Do Not Honor transaction
Ask your customer to contact their bank, if they wish to clarify the refusal reason and receive further information. Ask your customer to wait a few hours and try again. Ask your customer to use an alternate card.