A credit card authorization key is a secure code used to process transactions, confirming purchases and preventing fraud ...

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 ...

Discover how batch credit card processing can save costs with grouped transactions. Learn how it works, key benefits, and considerations for your business.

Don’t ignore potentially fraudulent credit card transactions; instead, take advantage of the protections and refund processes available through your card issuer. Confirm that the transaction is indeed ...

Getting your credit card declined isn’t something you would like to experience in public. An uncomfortable mix of panic, embarrassment, and frustration grips you as the payment processing machine ...

A credit card allows you to borrow money to buy things. That can come with costs (interest and fees) and benefits (rewards, credit-building). Many or all of the products on this page are from partners ...