How do Credit Cards Work?

Know in-depth about how the credit card functions and the common terms and principles related to credit card.
How do Credit Cards Work?
5 min read
08 November 2023

Credit cards have become an integral part of our financial lives, offering convenience and flexibility in managing our expenses. A credit card is essentially a financial tool that allows you to make purchases on credit. It acts as a key to unlock a world of financial opportunities, but how exactly does a credit card work? So, read on to explore how credit cards work, as this article sheds light on the intricacies of their operation.

How does a credit card work?

Understanding how credit cards work is essential for responsible financial management. When you use a credit card, you are essentially borrowing money from the card issuer up to a predetermined limit. From everyday purchases to building credit history, a credit card can be a valuable tool when managed wisely. This article gives you a detailed insight into the mechanics of credit cards, covering aspects such as interest rates, credit limits, and repayment terms that are crucial in making informed decisions about spending and avoiding unnecessary debt.

Understanding the common terms related to how credit cards work

Before delving into the mechanics of credit cards, it is important to know some of the common terms associated with them. These terms form the foundation of credit card transactions and usage.

Credit limit: When you apply for a credit card and are approved, the issuing bank assigns you a credit limit. This limit determines the maximum amount you can spend using your card. It varies from person to person and depends on factors such as credit history, income, and financial stability.

Billing cycle: Credit card transactions are organised into billing cycles, typically lasting a month. At the end of each billing cycle, you receive a statement detailing all your transactions during that period.

Interest-free period: After receiving your statement, you are given a grace period, usually around 20-25 days, to pay off the outstanding balance. If you pay the full amount by the due date, you will not incur any interest charges. This is often referred to as the interest-free period.

Minimum payment: If you cannot pay off the full balance, you have the option to make a minimum payment, usually around 5% of the outstanding balance. However, paying only the minimum payment results in the remaining balance being carried over to the next billing cycle, incurring interest.

Interest charges: If you carry over a balance from one billing cycle to the next, the credit card company will charge you interest on the remaining amount. Credit card interest rates are typically higher than those of other loans or credit forms, making it crucial to pay off your balance in full to avoid excessive interest charges.

Credit card fees: Credit card companies may levy various fees, including annual fees, late payment fees, and cash advance fees. Reading your card's terms and conditions is essential to avoid unexpected fees.

How do credit card transactions work?

The process of making a purchase using a credit card involves several steps, ensuring both security and efficiency. Here is a breakdown of how it works:

Merchant approval: When you use your credit card to make a purchase, the merchant submits your transaction details to the payment gateway for approval. This includes the card number, transaction amount, and other necessary information.

Authorisation request: The payment gateway then forwards this information to your credit card issuer (the bank that issued your card) for authorisation. Your issuer reviews your available credit limit and checks for any transaction limits or unusual activity.

Authorisation response: Your issuer sends back an authorisation response, indicating whether the transaction is approved or declined. If approved, the issuer places a temporary hold on your credit limit for the transaction amount.

Completion of transaction: Once the transaction is approved, the merchant completes the sale, and you receive your purchase. The transaction details are then recorded and become part of your outstanding balance for the billing cycle.

How does a credit card work online?

Credit cards have made online shopping a breeze, but how do they function in the digital realm? The process is quite similar to in-person transactions, with a few additional security measures.

Enter card details: When making an online purchase, you provide your credit card details, including the card number, expiration date, and CVV (Card Verification Value) code.

Payment gateway: The online store's payment gateway encrypts the information you entered and securely sends it to your credit card issuer for authorisation.

Issuer verification: Your issuer reviews the transaction request and checks for any unusual activity or discrepancies. If everything is in order, they approve the transaction.

Transaction completion: With authorisation in hand, the online store processes your purchase, and you receive your digital or physical goods. The transaction details are added to your credit card statement.

Conclusion

In a nutshell, credit cards provide a flexible way to manage your finances, offering a credit limit that you can use for purchases. To make the most of your credit card, remember to pay your bills on time, aim to pay off your full balance each month, keep an eye on your credit utilisation ratio, and be aware of potential fees. By using your credit card wisely, you can unlock its full potential while safeguarding your financial well-being in the process. So, the next time you swipe or click 'buy’, you will have a deeper understanding of how your trusty credit card works.

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Frequently asked questions

How do credit cards work technically?

Credit cards are a line of credit that allows you to borrow money to make purchases. When you use a credit card, the credit card company pays the merchant on your behalf, and you agree to pay back the credit card company the amount you borrowed plus interest.

How does the credit card method work?

When you use a credit card to make a purchase, you are essentially borrowing money from the card issuer. You buy a card with a credit card limit on the agreement to repay the amount spent to the issuer. Each month, you receive a credit card statement that shows the balance owed and the minimum payment due. You have the option to pay the minimum amount or the full balance, which may accrue interest if not paid in full.

How does a credit card payment work?

When you make a credit card payment, you are either paying off the balance owed or making a partial payment towards it. If you pay only the minimum amount due, interest may be added to the remaining balance. When you make a payment, it is applied toward any outstanding balance and fees first. After that, it is applied toward any interest charged, and then toward any remaining balance. It is important to make credit card payments on time to avoid late fees and damage to your credit score.