 TITLE: What Credit Cards Does Costco Accept? CONTENT: Credit Cards Not Accepted at Costco Warehouses\n----------------------------------------------\nCards from American Express, Discover or MasterCard aren't accepted in Costco stores. However, you can shop online at Costco.com or using the Costco app with cards backed by the Discover and MasterCard network such as:\n*   **Chase Freedom Flex℠**: This card has a 0% intro apr on purchases for 15 months; then the variable APR is 14.99% to 23.74%. Earn 5% cash back on grocery purchases (not including warehouse stores such as Target and Walmart) on up to $12,000 spent in the first year; 5% cash back on up to $1,500 in combined purchases in bonus categories that change each quarter; 5% on Chase travel purchased through Ultimate Rewards®; 3% on dining and drugstores; and 1% on all other purchases. Spend $500 within 3 months of account opening and get a $200 bonus. END