The History of Credit Cards: From the First Charge Plates to Today's Cards

The first credit card as we know it today was the Diners Club card, issued in 1950

The Diners Club card came out in February 1950 and worked differently from anything that existed before. A man named Frank McNamara created it after a dinner at a New York restaurant when he realized he had left his wallet at home. Instead of inventing a card that let you borrow money from a bank, he created a card that let you charge a meal at partner restaurants and pay the bill later — usually within 30 days. The card itself was made of cardboard, not plastic, and had the cardholder's name printed on it.

What made Diners Club revolutionary was the network behind it. McNamara didn't just hand out cards; he signed up restaurants to accept them. When you used the card, the restaurant would call Diners Club to verify you were a real cardholder, then submit the charge for payment. Diners Club would pay the restaurant, and you would pay Diners Club. This three-way system — cardholder, merchant, and card company — is still how credit cards work today.

Key Takeaways

• Diners Club issued the first modern credit card in 1950, made of cardboard and designed for restaurant charges.
• Before Diners Club, stores and gas stations issued their own charge plates to regular customers, but these were not networked across merchants.
• Visa and Mastercard arrived in the 1960s and expanded credit cards beyond restaurants to any merchant that joined their network.
• Early credit cards required phone calls to verify each purchase; today's cards process instantly through computer networks.

Charge plates came before credit cards, but they worked only at one store

Before Frank McNamara invented the Diners Club card, department stores and gas stations already let regular customers charge purchases. These were called charge plates — small metal rectangles embossed with your name and account number. A store clerk would place your plate in a machine, slide a piece of paper over it, and press down to imprint your information onto the receipt. You would get a bill in the mail later.

The problem was that each store's charge plate worked only at that store. A Sears charge plate meant nothing at Macy's. A Texaco gas station card couldn't be used at Shell. There was no network connecting them. You might carry five or six charge plates just to shop at different places. This is why Diners Club was such a breakthrough — it was the first card that worked at multiple merchants in multiple cities.

Visa and Mastercard made credit cards available to almost everyone

Diners Club grew quickly, but it stayed focused on restaurants and travel. In 1958, Bank of America launched the BankAmericard, which later became Visa. This was the first credit card issued by a bank rather than a merchant or restaurant company. Bank of America mailed unsolicited cards to customers in California, which caused an uproar — people were furious to receive credit they hadn't asked for. But the card worked, and the bank kept refining it.

Mastercard followed in 1966, created by a group of banks that wanted their own card network to compete with Visa. The key difference between bank-issued cards and Diners Club was that banks were willing to lend you money. With Diners Club, you had to pay your full balance each month. With a Visa or Mastercard, you could carry a balance and pay interest on it — which meant the bank made money not just from merchant fees but from the interest you paid.

By the 1970s, Visa and Mastercard had become the dominant networks. They signed up thousands of merchants — grocery stores, gas stations, department stores, restaurants, hotels. If you had a Visa card, you could use it almost anywhere. This is when credit cards became a standard part of American life instead of a luxury for travelers and restaurant-goers.

How credit cards worked in the early days versus now

In 1950, using a credit card was a slow process. When you handed your Diners Club card to a restaurant server, they would call the Diners Club office to verify that your card was valid and that you hadn't exceeded your credit limit. This could take several minutes. The server would then write down the charge by hand, you would sign the receipt, and the restaurant would mail the slip to Diners Club for payment.

By the 1980s, card readers became common — machines that could read the raised numbers on your card and print them onto a receipt automatically. But verification still required a phone call or, later, a dial-up connection. If the phone line was busy, the merchant would either wait or process the transaction manually and verify it later.

Today, the entire process takes seconds. When you swipe, insert, or tap your card, the merchant's terminal connects instantly to the card network through the internet. The network checks your balance and fraud patterns in real time and approves or declines the transaction before you finish signing. The merchant gets paid within one to three business days. This speed and reliability is why credit cards remain the most common payment method in the United States, even as digital wallets and other payment apps have emerged.

Why credit cards looked and worked so differently in the 1950s

The first credit cards were cardboard because plastic manufacturing wasn't yet reliable or cheap enough for mass production. Diners Club switched to plastic in the mid-1950s, but early plastic cards were thick and brittle. The raised numbers you see on modern cards — called embossing — were necessary because merchants didn't have electronic readers. A clerk would place the card in an imprinter machine, lay a receipt on top, and press down to transfer the numbers onto the paper.

Credit limits were also much lower than today. A Diners Club card in 1950 might have a limit of $200 to $500, which was a significant amount of money at the time but still modest. Banks were cautious about lending to people they didn't know well. Approval required a credit check, references, and proof of income — a process that could take weeks. Today, you can be approved for a credit card in minutes based on an instant credit report.

The shift from charge cards to revolving credit changed everything

Diners Club cards were charge cards, meaning you had to pay the full balance each month. This made them safer for the card company but less flexible for the cardholder. If you charged $500 and didn't have the cash on hand, you were in trouble.

Bank-issued credit cards introduced revolving credit, which meant you could pay part of your balance and carry the rest forward to the next month — with interest. This was more convenient for cardholders but more profitable for banks. A cardholder who paid $500 in interest over a year was far more valuable to a bank than one who paid the full balance monthly.

This shift also changed who could get a card. Charge cards required proof of income and a solid reputation. Revolving credit cards could be issued to younger people, people with less income, and people with shorter credit histories — because the interest payments made the risk worthwhile for the bank. This is why credit cards became so widespread by the 1980s and why today's starter and student cards exist: banks know they can make money even from people with limited credit history.

Frequently Asked Questions

Did credit cards exist before 1950?

Charge plates existed before 1950, but they worked only at a single store or gas station. Diners Club in 1950 was the first card that worked at multiple merchants across different cities, which is why it's considered the first modern credit card.

Why did Bank of America create the BankAmericard if Diners Club already existed?

Diners Club focused on restaurants and travel. Bank of America wanted to create a card that worked at everyday merchants like grocery stores and gas stations. They also wanted to lend money to cardholders, not just let them charge and pay in full each month.

When did credit cards stop requiring phone calls to verify purchases?

Phone verification remained common through the 1980s and early 1990s. Real-time verification became standard in the mid-1990s as internet connections became faster and more reliable. Today, most transactions are approved or declined in seconds.

Why do old credit cards have raised numbers on them?

The raised numbers were designed to work with imprinter machines that merchants used before electronic readers existed. A clerk would place the card in the machine and press down to transfer the numbers onto a receipt. Modern cards still have raised numbers out of habit, even though electronic readers don't need them.

Could you use a credit card anywhere in the 1950s?

No. Diners Club cards worked only at restaurants and hotels that had signed up with the network. It wasn't until Visa and Mastercard expanded in the 1960s and 1970s that credit cards became accepted at most merchants.