Credit Cards · Tools · Glossary · A-terms · Automated Clearing House (ACH)

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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Automated Clearing House (ACH)

The Automated Clearing House, or ACH, is a network of financial institutions that processes many types of consumer payments, including debit and credit card transactions. Most consumers don't interact directly with the system, but if you have a direct deposit of your check or make a monthly mortgage payment, you're likely using the Automated Clearing House transaction network.