Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of ...

Credit card processing fees range 1.7-2.05% in-person and 2.25-3.25% online. PCI non-compliance costs $10-100/month; security ...

Credit card authentication is a way of verifying that a person attempting a credit card transaction is who they say they are and that they are authorized to use that card.

A pending transaction is a charge that shows up on your credit card statement but hasn’t been reduced from your balance yet. Merchants may also place a pending transaction — or hold — on your account ...