The basic steps to link your card

Open Cash App on your phone and tap the profile icon in the bottom right corner. Select "Add a Bank Account" or "Linked Bank Accounts" depending on your app version. You'll be asked to enter your bank's name, your account number, and your routing number — all three are required. Cash App will then send two small deposits (usually under $1 each) to your bank account within one to two business days. Once those deposits arrive, you return to Cash App, enter the exact amounts, and your account is confirmed.

The whole process typically takes three to five business days from start to finish. Your bank card itself is not what you're linking — you're linking the bank account behind it. Cash App uses this connection to pull money from your account when you send payments or add funds to your Cash App balance.

Key Takeaways

  • You need your bank account number and routing number, which you can find on a check, your bank's website, or by calling your bank.
  • Cash App sends two small test deposits to confirm the account is yours; you must verify the amounts to complete the link.
  • The verification process takes three to five business days because it depends on your bank's processing speed.
  • Once linked, your bank account funds transfers and payments from Cash App; you can link multiple accounts if your bank allows it.

Where to find your account and routing numbers

Your account number and routing number appear on the bottom left of any check from your checking account. The routing number is the first set of nine digits; your account number follows. If you don't have checks, log into your bank's website or mobile app — most banks display both numbers in the account details or settings section, sometimes labeled "Account Information" or "Bank Details."

You can also call your bank's customer service line and ask for both numbers. Have your account number or card number ready when you call. Some banks require you to verify your identity before they'll give you the routing number, so be prepared with your Social Security number or PIN.

What happens during the verification step

After you enter your account and routing numbers, Cash App submits a request to your bank. Your bank then sends two small deposits — typically between $0.01 and $0.99 each — back to Cash App within one to two business days. You'll see these deposits appear in your bank account online or on your statement.

Once you see the deposits, return to Cash App and tap the option to verify the amounts. Enter the exact dollar amounts of both deposits. If you enter them correctly, your bank account is now linked and ready to use. If you enter them wrong, Cash App will ask you to try again; you get multiple attempts, so don't worry about one mistake.

Why the verification takes time

The delay is not Cash App's fault — it's how banks process transfers. When Cash App sends those test deposits, they travel through the banking system (the Federal Reserve's ACH network) rather than moving when ready. Most banks process ACH transfers once per business day, usually in the morning or evening. Weekends and bank holidays add extra days.

If you linked your account on a Friday afternoon, the deposits might not arrive until Tuesday or Wednesday. If you linked it on a holiday, add another day. This is why the process takes three to five business days rather than one or two. Once your bank receives the deposits, you'll see them within hours, and you can verify when ready.

What to do if the deposits don't arrive

Wait until the fifth business day before assuming something went wrong. Business days exclude weekends and federal holidays, so count only Monday through Friday. If it's been five business days and you still don't see the deposits in your bank account, contact Cash App support through the app. Tap your profile icon, scroll to "Support," and describe the problem.

Cash App will ask you to confirm the account number and routing number you entered. If you made a typo, they may be able to cancel the pending deposits and let you try again. If the numbers were correct, Cash App can investigate whether your bank rejected the transfer. Some banks block transfers from payment apps if they don't recognize them; in that case, your bank may require you to call and authorize Cash App before trying again.

Using your linked bank account after verification

Once verified, your bank account becomes your default funding source. When you send money to another Cash App user or pay a merchant through Cash App, the money comes from your linked bank account unless you have a Cash App balance to draw from first. You can also manually add money to your Cash App balance by tapping the balance icon and selecting "Add Cash" — this pulls from your linked account.

You can link multiple bank accounts to the same Cash App if your bank allows it. Some banks restrict how many external connections you can have, so if you try to add a second account and it fails, contact your bank to ask whether they limit third-party connections. You can remove a linked account at any time by going to your profile, selecting "Linked Bank Accounts," and choosing the account to delete.

Security and what Cash App can and cannot do

Cash App cannot withdraw money from your bank account without your permission. The link you create is one-way: Cash App can pull funds when you initiate a transfer or payment, but your bank account cannot be drained by Cash App on its own. Cash App does not store your account number or routing number after verification — it stores a token that represents your account instead.

If your Cash App account is compromised, a thief cannot use your linked bank account to make unauthorized transfers without also having access to your Cash App login. Your bank account itself remains protected by your bank's fraud policies. If you notice unauthorized activity, report it to Cash App when ready through the app's support section and contact your bank to report the fraudulent transfers.

Frequently Asked Questions

Can I use a debit card instead of linking a bank account?

Yes. Cash App accepts debit cards directly without the verification step. Tap your profile icon, select "Add a Card," and enter your debit card number, expiration date, and CVV. The card is ready to use when ready. However, linking a bank account is more find because it doesn't require you to store your card number in the app.

What if I enter the wrong account number?

Cash App will send the test deposits to the wrong account. When you try to verify with the correct amounts, the verification will fail because you won't see those deposits in your account. Contact Cash App support and explain the mistake. They can cancel the pending deposits and let you start over with the correct account number.

Do I need to verify my identity to link a bank account?

Cash App may ask for your name, date of birth, and last four digits of your Social Security number during the linking process, depending on your account history and the amount of money you plan to transfer. This is standard fraud prevention. Have this information ready when you link your account.

Can I link a savings account instead of a checking account?

Yes, Cash App accepts both checking and savings accounts. The process is the same — you enter the account number and routing number, verify the test deposits, and you're done. Some banks process ACH transfers to savings accounts more slowly, so verification might take an extra day or two.

What happens if my bank rejects the test deposits?

Your bank may reject the deposits if it doesn't recognize Cash App or if your account has restrictions on incoming transfers. Contact your bank and ask whether they block transfers from payment apps. If they do, ask them to whitelist Cash App or remove the restriction. Then try linking your account again.