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If you're a Costco member wondering whether you can use your credit card at checkout, the answer depends on which card you're holding. Costco has specific payment partnerships that limit which credit cards work in their warehouses—and understanding these restrictions can help you avoid surprises at the register.
Costco exclusively accepts Visa credit cards among major payment brands. This means Mastercard, American Express, and Discover cards cannot be used for credit purchases at Costco warehouses or online.
This wasn't always the case. Costco's payment partnership has shifted over time, and the current Visa-only policy for credit cards has been in place for several years. The partnership reflects a negotiated agreement between Costco and Visa, and it applies across all U.S. warehouse locations.
While credit card options are limited, Costco accepts a broader range of payment methods overall:
| Payment Method | Accepted? |
|---|---|
| Visa credit cards | ✓ Yes |
| Mastercard, Amex, Discover | ✗ No (credit) |
| Debit cards | ✓ Yes |
| Costco Anywhere Visa card | ✓ Yes |
| Cash | ✓ Yes |
| Checks | ✓ Yes (with valid ID) |
| Costco Shop Card (gift card) | ✓ Yes |
| Mobile wallets (Apple Pay, Google Pay, etc.) | ✓ Yes (if linked to accepted payment method) |
If you hold a Costco Anywhere Visa Card, you're using a Visa product co-branded with Costco. These cards are accepted everywhere Visa is accepted—including at Costco—and often come with member benefits like rewards on Costco purchases. This card type sidesteps the credit card restriction because it's technically a Visa card.
When shopping on Costco.com, the payment restrictions differ slightly. Online purchases may accept a broader range of credit cards than warehouse locations. If you plan to shop online regularly and don't hold a Visa, checking Costco.com's payment options during checkout is your best bet—policies can vary by region or membership type.
Costco's Visa-only credit card policy affects members who primarily use other card brands. If you rely on a Mastercard, American Express, or Discover card for cash back, travel rewards, or other benefits, you won't be able to earn those rewards on credit purchases at Costco. You'd need to use a debit card, cash, check, or apply for a Costco Visa card instead.
Before assuming your credit card will work at Costco, verify it's a Visa card. If it's not, debit, cash, or the Costco Anywhere Visa card are your in-warehouse options. Understanding this restriction helps you plan your payment method and avoid checkout delays.
