What Credit Cards Does Costco Take? A Complete Guide to Paying at Costco
If you've ever stood at a Costco register and wondered whether your card would work, you're not alone. Costco has one of the more specific payment policies among major retailers — and understanding it before you shop can save you an awkward moment at checkout.
Costco Only Accepts Visa Credit Cards
The short answer: Costco accepts only Visa credit cards at its warehouse locations and on Costco.com. This has been the case since 2016, when Costco ended its long-standing partnership with American Express and signed an exclusive deal with Visa.
That means if you walk in with a Mastercard, Discover, or American Express credit card, you won't be able to use it — regardless of your credit limit or card tier.
This exclusivity arrangement is common in retail. Costco negotiated favorable processing fee terms with Visa in exchange for the exclusive credit card access, which is part of how the warehouse model keeps operating costs lean.
What Other Payment Methods Does Costco Accept?
While only Visa credit cards are accepted, Costco is fairly flexible in other ways:
| Payment Type | Accepted at Warehouse | Accepted Online |
|---|---|---|
| Visa credit cards | ✅ Yes | ✅ Yes |
| Mastercard credit cards | ❌ No | ❌ No |
| American Express | ❌ No | ❌ No |
| Discover | ❌ No | ❌ No |
| Visa debit cards | ✅ Yes | ✅ Yes |
| Mastercard debit cards | ✅ Yes | ✅ Yes |
| PIN-based debit (any network) | ✅ Yes | ❌ No |
| Costco Cash Cards | ✅ Yes | ✅ Yes |
| EBT/SNAP | ✅ Yes | ✅ Yes |
| Mobile payments (Apple Pay, etc.) | ✅ Yes* | Varies |
| Personal checks | ✅ Yes | ❌ No |
*Mobile pay acceptance depends on the underlying card network linked to the wallet — if your Apple Pay or Google Pay is funded by a Visa, it generally works.
The Costco Anywhere Visa® Card by Citi
Costco's co-branded credit card — the Costco Anywhere Visa® Card issued by Citi — is naturally accepted everywhere Costco takes Visa. It's designed specifically for frequent Costco shoppers and earns rewards in categories like gas, dining, travel, and Costco purchases.
A few things worth knowing about this card without getting into specific rates or figures:
- It requires a Costco membership to apply and maintain the card
- Rewards are issued annually as a certificate redeemable at Costco, not as ongoing cash back
- It functions as a Visa everywhere Visa is accepted — not just at Costco
- Approval is handled by Citi, meaning your credit profile determines whether you qualify
Because this card sits in the rewards card category with no annual fee (beyond the Costco membership itself), it tends to be positioned for people with established credit histories rather than those just starting out.
Does Your Credit Score Affect Which Visa Cards Work at Costco? 🤔
Here's where things shift. Any Visa credit card — from a basic secured Visa to a premium travel rewards Visa — will technically be accepted at the register. Costco doesn't screen cards based on credit tier.
But your credit profile absolutely affects which Visa cards you can qualify for in the first place. That's the underlying variable most shoppers don't think about.
What Issuers Look at When You Apply for a Visa Card
When you apply for any Visa credit card — including the Costco Citi card — the issuing bank evaluates:
- Credit score — a general benchmark; higher scores typically open access to more rewards-heavy products
- Credit utilization — how much of your available revolving credit you're currently using
- Payment history — whether you've paid on time consistently
- Length of credit history — how long your oldest and average accounts have been open
- Recent hard inquiries — how many new credit applications you've submitted recently
- Income and debt obligations — your capacity to repay
Someone with a thin credit file or recent derogatory marks may qualify for a basic secured Visa, which will work fine at Costco — but may not qualify for a rewards Visa or the Costco-specific card. Someone with a long, clean credit history and strong income has a wider range of Visa options available to them.
The Practical Spectrum 💳
- Building credit: A secured Visa linked to a deposit account will work at Costco checkout, even if it earns no rewards
- Fair credit: Unsecured basic Visa cards become accessible, though rewards may be limited
- Good to excellent credit: Rewards Visas, travel cards, and co-branded cards like the Costco Citi card come into range
- Premium credit profiles: High-tier travel Visas with elevated rewards structures become available
The card in your wallet isn't just a payment tool — it reflects where your credit profile currently sits.
One Thing Worth Knowing About Debit
If you have a Mastercard or Amex credit card but also carry a debit card on any major network, you can still shop at Costco. The credit card restriction doesn't extend to debit. This is an easy workaround many shoppers overlook when they realize their credit card won't work at the warehouse.
Why This Matters Beyond the Register
Costco's Visa-only policy makes the network printed on your credit card more consequential than it might be elsewhere. For most retail purchases, Visa, Mastercard, Discover, and Amex are largely interchangeable. At Costco — and at any merchant with a single-network agreement — they're not.
If Costco is part of your regular shopping routine, it's one of the factors worth considering when you're thinking about which card to carry or apply for next. Whether the Costco Citi card specifically makes sense, or whether another Visa would serve you better, depends entirely on your spending patterns, your existing credit profile, and where your score sits right now.