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Credit Card Glossary: Terms and Definitions

Confused by credit card terms?'s glossary of credit card definitions will help. From account holder to Regulation Z, we have defined the most-common and most-confusing credit card terms.

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Interchange fee

The interchange fee, also called the discount rate or swipe fee, is the sum paid by merchants to the credit card processor as a fee for accepting credit cards. The amount of the rate will vary depending on the type of transaction, but averages about 2 percent of the purchase amount. The interchange fee is typically higher for online purchases than for in-person purchases, because in the latter, the card is physically present and available for inspection.