How to Add a Credit Card to Cash App: Steps & Fees

Adding a credit card to Cash App takes about a minute, but there’s one requirement you need to meet first: you must have a bank-issued debit card already linked to your account. Once that’s in place, the option to add a credit card appears in your settings, and you can link it in a few taps.

Link a Debit Card First

Cash App requires a linked debit card before it will let you add a credit card. This is a security measure, and there’s no way around it. If you try to look for the credit card option without a debit card on file, it simply won’t appear.

To link a debit card, open Cash App and tap your profile icon in the top-right corner. Scroll down to the “Linked Banks” section, tap “Add Bank,” and enter your debit card number, expiration date, and CVV. Cash App may verify the card with a small temporary charge that disappears within a few days. Once that debit card is confirmed, you’re ready to add a credit card.

Steps to Add a Credit Card

After your debit card is linked, follow these steps:

  • Open Cash App and tap your profile icon (top-right corner of the home screen).
  • Scroll to “Linked Banks.” You should now see a “Link Credit Card” option that wasn’t available before.
  • Tap “Link Credit Card.”
  • Enter your credit card number, expiration date, and CVV.
  • Tap “Add Card” to confirm.

If the card is accepted, it will appear under your linked payment methods. You can then choose it as your funding source when sending money or making payments.

Choosing Your Payment Source

Cash App lets you pick which linked method funds each transaction. When you’re about to send money, you’ll see a small label below the amount showing your current payment source, such as your Cash App balance, bank account, or debit card. Tap that label to switch to your credit card instead.

Keep in mind that your Cash App balance is used by default. If you want a specific transaction to come from your credit card, you need to select it each time before hitting “Pay.” Cash App does not let you set a credit card as the permanent default funding source.

Fees You Should Know About

Cash App charges a 3% fee on money sent using a credit card. If you send $100 to a friend, $3 goes to Cash App on top of that. Payments funded by a debit card, bank account, or your Cash App balance have no fee. This makes credit cards the most expensive way to send money through the app, so it’s worth considering whether the transaction justifies the extra cost.

There’s a second, less obvious cost. Some credit card issuers treat Cash App transactions as cash advances rather than regular purchases. A cash advance typically comes with its own fee (often 3% to 5% of the transaction amount) and a higher interest rate that starts accruing immediately with no grace period. Whether your issuer classifies Cash App payments this way depends on the card and the issuer’s merchant category policies. Check your credit card’s terms or call the number on the back of your card to ask before using it for large Cash App transactions.

Why Your Credit Card Might Be Rejected

If Cash App won’t accept your credit card, a few common reasons could be at play:

  • No debit card linked yet. The “Link Credit Card” option won’t even appear until a debit card is on your account.
  • Unsupported card network. Cash App supports Visa, Mastercard, American Express, and Discover. Prepaid credit cards or cards from smaller networks may not work.
  • Incorrect card details. Double-check the number, expiration date, and CVV. Even one wrong digit will cause a rejection.
  • Card already linked to another Cash App account. Each card can only be tied to one Cash App account at a time.
  • Security flags. If Cash App detects potentially unauthorized activity on your account, it may block new card additions or decline transactions. You may receive a notification asking you to confirm the activity. Ignoring that notification can cause continued blocks.

If none of these apply and the card still won’t link, try closing and reopening the app, updating to the latest version, or contacting Cash App support through the app’s help menu.

What You Can and Can’t Do With a Credit Card on Cash App

A linked credit card can fund person-to-person payments and purchases through Cash App. It cannot, however, be used to load money directly into your Cash App balance or to buy Bitcoin within the app. Those features require a debit card or bank account.

You also can’t use a linked credit card to fund your physical Cash App Card (the Visa debit card Cash App offers). Spending on the Cash App Card draws from your Cash App balance only. If your balance is zero, the Cash App Card transaction will decline regardless of what credit cards you have linked.

For readers looking to earn credit card rewards on everyday peer-to-peer payments, the 3% Cash App fee will likely eat into or exceed whatever points or cash back you’d earn. A card offering 2% back on all purchases, for example, would still leave you 1% in the negative after Cash App’s fee. Factor that in before relying on a credit card as your go-to funding source in the app.