What Is a Credit Card?
Credit cards can be useful tools. They provide a convenient way to pay for purchases, help you build credit and may offer rewards on everyday spending. From understanding interest and fees to choosing the right card, knowing the basics may help you get the most out of your account.
What Is a Credit Card?
A credit card is a form of payment that allows you to borrow money to make purchases. When you use it, you're drawing from a line of credit — a revolving borrowing limit provided by the card issuer. The issuer pays the cost on your behalf right away, then you repay the issuer.
What Are the Types of Credit Cards?
Most credit cards fall into a few broad categories:
- Standard credit card: An everyday credit card used for general purchases and building credit.
- Secured credit card: A card that requires a security deposit and may help you build or rebuild credit.
- Retail or store card: A card issued by or tied to a specific retailer that may offer store-related discounts or perks.
Credit cards may also include features designed for different financial goals. For example:
- Rewards features: Earn cashback, points or travel rewards on purchases.
- Balance transfer offers: Move existing debt to a card with a promotional interest rate.
- Cash advance access: Withdraw cash from your available credit line, typically with additional fees and interest.
How’s a credit card different from a debit card?
The main difference is where the money comes from:
- Credit card: Lets you borrow money from the card issuer that you repay later
- Debit card: Uses your own money directly from your checking account
Credit cards may include interest charges and late payment fees. Debit cards don't charge interest, but spending more than what's available in your account could result in a declined transaction or, in some cases, an overdraft fee.
How Do Credit Cards Work?
When you use a credit card, the card issuer pays for your purchase and adds that amount to your balance (the total you owe). You then repay the issuer. If you pay your balance in full by the due date, you can typically avoid interest charges during the card's grace period.
Each billing cycle, you'll receive a statement showing your purchases, fees, interest charges and payment information. While the statement shows your full balance, it also lists the minimum payment amount. Paying only the minimum keeps your account in good standing, but interest may continue to accrue on the remaining balance, increasing the total cost over time.
Your card also comes with terms and conditions that explain details like interest rates (APR), fees and your responsibilities as a cardholder. Reviewing these details can help you understand how your account works and what to expect, since each card is different.
What’s a credit limit?
A credit limit is the maximum amount you can borrow on a credit card through a revolving line of credit. Spending reduces your available credit, and paying down your balance restores it so you can borrow again.
Your card issuer sets your limit based on factors like your credit history. Over time, your limit may increase if you use credit responsibly, make payments on time and demonstrate that you can manage your account well. If you miss payments or go over your limit, your issuer may charge fees or lower your limit.
What are credit card fees?
Depending on your card and how you use it, you may see different fees. Common types of fees include:
- Annual fees: Applied each year to keep the card open
- Balance transfer fees: Added when you move a balance from one card to another
- Cash advance fees: Charged when you use your card to withdraw cash
- Foreign transaction fees: Applied when you make purchases in another country or currency
- Late payment fees: Charged if you don’t pay at least the minimum amount by the due date
- Penalty fees: Added if you break the card’s terms, like going over your limit
What’s interest on a credit card?
Interest is the fee you may pay for borrowing money with a credit card. If you pay your full balance by the due date, you can typically avoid interest on purchases during the grace period. If you carry a balance beyond the grace period, the card issuer charges interest on what you owe. You’ll see this rate as an APR (annual percentage rate), which is the yearly interest rate charged on unpaid balances.
Many card issuers calculate interest daily. This means interest can accrue each day and continue to add up while a balance remains unpaid. The longer a balance goes unpaid, the more interest you may owe.
How Does a Credit Card Affect My Credit Score?
Your credit score is a three-digit number that helps predict how likely you are to repay borrowed money on time. Credit scores take factors like payment history, amounts owed, length of credit history and recent credit activity into account. Lenders use this information when evaluating credit applications.
Using a credit card responsibly can help increase your score. For example:
- Making on-time payments builds a positive payment history.
- Keeping lower balances compared to your credit limit (credit utilization) supports your score.
- Having an account for a long time shows consistent credit use.
- Creating fewer new accounts in a short period may help you avoid temporary credit drops.
On the other hand, missing payments, carrying high balances or opening many accounts at once could negatively affect your score. Checking your credit reports regularly can help you spot errors or issues early.
How Do I Apply for a Credit Card?
To apply for a credit card, you’ll complete an application with a card issuer. You can usually apply online, in person or by mail.
During the application, you may need to provide your personal information (name, address, date of birth and Social Security number) and your income information. This helps the issuer decide if you can repay what you borrow. The issuer may also perform a credit check, which may cause a small, temporary impact on your credit score.
They review this information to decide whether to approve your application and what terms to offer.
If approved, you’ll receive your card in the mail along with your account details. If they decline your application, the issuer will mail a notice explaining why.
How many credit cards should I have?
There’s no set limit to how many credit cards you can have. The right number depends on what you can manage comfortably based on your spending habits and lifestyle.
At the same time, it’s important to only have as many cards as you can keep track of and pay responsibly. Having multiple cards may give you more available credit, but that benefit might disappear if balances grow too high or there are missed payments.
Which Credit Card Is Best?
There’s no single “best” credit card. The right one depends on your spending habits, financial goals and credit history.
When comparing options, consider a few key factors:
- APR: A higher rate means higher costs if you carry a balance.
- Fees: Take a look at annual fees, balance transfer fees and other charges.
- Rewards: Check how you can earn and use rewards and whether they expire.
- Credit limit: The amount you’re approved for may vary.
- Card terms: Review the agreement to understand rates, fees and your responsibilities.
Before choosing, think about how you’ll use the card and whether it still makes sense if rates or costs change over time.
Does KeyBank Offer Credit Cards?
KeyBank offers a range of credit cards designed for different needs — whether you’re looking to earn cashback or focus on lower interest rates.
KeyBank credit cards include features that make managing your account easier, like access to your FICO® Score1, mobile and online banking and account alerts to help you stay on track. You may also get added security tools, like the ability to lock your card or report it lost quickly.
If you’re exploring your options, you can review KeyBank’s credit card offerings or connect with a banker to find one that fits your goals.