How Credit Cards Earn From On-Time Payers
Even when you pay on time, the card company usually earns money from merchant processing fees, while also benefiting from annual fees and other services.
Featured in the Friday, September 11 edition →
It's often said that card companies make money only from people who carry a balance — in fact, they can earn revenue from purchases made by customers who pay their bills in full.
A credit card transaction involves several businesses: the card network, the card-issuing bank, and the merchant’s payment processor. The money they collect helps pay for fraud protection, rewards, customer service, technology, and profit.
Think of your card like a ticket that helps a shop accept electronic payments. The shop pays a tiny fee for using that payment system, and part of it goes to the card company.
Understanding this helps when comparing cards, deciding whether rewards are worthwhile, or judging claims that a card is truly free just because you avoid interest.
Suppose you use a card to buy $100 of groceries and pay the full bill by the deadline. The store’s payment partners might withhold a small processing fee from the transaction, and the card company receives its share even though you pay it no interest.
Rewards have a funding source
Cash back and points are generally funded by transaction revenue, annual fees, interest from other customers, or a combination of these.
The network is not always the lender
The logo on a card usually belongs to a payment network, while a separate bank may issue the card, lend the money, and collect fees.
More spending can mean more revenue
A card company may welcome frequent full-balance payers because each purchase can generate processing income without the same default risk as unpaid debt.