
What Is Signature Debit in Payment Processing? Costs, Interchange, and Examples
Signature debit sits in a confusing middle ground between debit and credit. For merchants, it looks like a card payment, settles like a credit card transaction, and is priced very differently from domestic debit. Understanding how it works matters because it can affect processing costs, especially for U.S. cardholders. What Signature Debit Actually Is Signature debit is a debit card transaction that runs over a credit card network rather than a domestic debit network. Instead

