Yes, someone can deposit money into your account — here's how it actually works

Yes. Another person can put money into your bank account without your permission present, as long as they know your account number and routing number. They do not need your PIN, your password, or your signature. The bank will accept the deposit and credit it to your account. This is how payroll deposits work, how bill payments arrive, and how friends or family send you money.

The deposit lands in your account within one to three business days in most cases, depending on how the money is sent. Once it arrives, it is your money — the person who sent it cannot take it back without your consent, though they can ask you to return it.

Key Takeaways

  • Someone needs only your account number and routing number to deposit money into your account; they do not need your password or permission.
  • The most common methods are ACH transfers (one to three business days), wire transfers (same day or next day), and in-person cash deposits at your bank branch.
  • Once money lands in your account, it belongs to you and the sender cannot reverse the deposit without your agreement.
  • If you receive money by mistake or from someone you do not trust, you can contact your bank to report it, but the bank will not remove it without a court order or the sender's request.

The four main ways someone deposits money into your account

ACH transfer is the slowest but most common method. The sender provides your account number and routing number (both printed on the bottom left of your checks, or available through your bank's website). They initiate the transfer through their bank or an online payment service. The money moves through the Automated Clearing House network and typically arrives in one to three business days. This is how employers deposit paychecks and how most bill payment services work.

Wire transfer is faster but costs money — usually $15 to $30 per transfer. The sender goes to their bank in person or online, provides your account number, routing number, and full name, and the bank sends the money directly. It arrives the same day or next business day. Wire transfers are used for large sums, urgent payments, or time-sensitive situations.

In-person cash deposit at your bank branch is when ready. Someone walks into your bank with cash, gives your name and account number, and the teller deposits it. The money is available right away. This only works at your specific bank's branches, not at other banks.

Mobile payment apps like Venmo, PayPal, or Cash App allow someone to send you money if they have your username or phone number linked to the app. The money lands in the app's account first, and you transfer it to your bank account from there, which takes one to three business days.

What information someone needs to send you money

For an ACH transfer, they need your account number and routing number. Your routing number is a nine-digit code that identifies your specific bank. Your account number is unique to you. Both are on the bottom left of your checks. If you do not have checks, you can find both numbers by logging into your bank's website or calling the bank's customer service line.

For a wire transfer, they need your account number, routing number, full name as it appears on your account, and sometimes your address. Some banks also ask for a SWIFT code if the money is coming from outside the United States.

For a cash deposit, they need only your name and account number — they can ask the teller to look up your account if they are not sure of the number.

For a mobile payment app, they need only your username, phone number, or email address associated with the app.

What happens if money is deposited by mistake

If someone deposits money into your account by accident — they meant to send it to someone else, or they sent the wrong amount — the money is still yours until the sender or their bank requests it back. You are not required to return it, but most people do.

If you want to return it, you can contact the person directly and ask how they want to receive it back. You can send it back through the same method they used, or through a different method if that is easier. If you do not know who sent it, contact your bank and ask them to trace the deposit. They can usually tell you which bank it came from, and you can contact that bank to find out who initiated it.

If you keep money that was sent to you by mistake and the sender later disputes it with their bank, the bank may reverse the deposit and charge you a fee. This is rare, but it can happen. The safest approach is to return money you know was sent in error.

Deposits from people you do not trust

If someone deposits money into your account and you did not ask them to, or if you are concerned about where the money came from, you can report it to your bank. The bank will not remove the money without a court order or the sender's written request, but they will note it in your account file.

If the deposit is connected to fraud, theft, or illegal activity, contact your bank when ready and then file a report with the Federal Trade Commission at reportfraud.ftc.gov. Do not spend the money. If law enforcement is investigating, they may freeze your account or require you to return it.

If someone is sending you money repeatedly and you want them to stop, you can ask your bank to block deposits from that person's account or bank. This is called a block or a filter, and most banks can set it up in a few minutes.

Timing: when the money actually arrives

MethodTime to arriveCost
ACH transfer1–3 business daysFree
Wire transferSame day or next business day$15–$30
Cash deposit in personwhen readyFree
Mobile payment app1–3 business days (app to bank)Free or $1–$2

Business days are Monday through Friday, excluding federal holidays. If someone initiates a transfer on Friday evening, it will not arrive until Monday or Tuesday. If they initiate it on a holiday, it will not arrive until the next business day after that.

Some banks offer faster ACH transfers called "same-day ACH," but this is not standard and depends on both banks participating in the program. Ask your bank whether they offer it.

Frequently Asked Questions

Can someone deposit money into my account if they only know my name?

No, not through ACH or wire transfer. They need your account number and routing number. In person at your bank branch, a teller might be able to look up your account by name if you have a unique name, but they will ask for identification or other verification. Mobile payment apps work with just a username or phone number, but you have to have set up an account with that app first.

What if I give someone my account number and they steal money instead of depositing it?

Your account number alone cannot be used to withdraw money — they would also need your PIN or online banking password. If someone withdraws money without your permission, contact your bank when ready. Report it as fraud or unauthorized withdrawal. Your bank will investigate and may reverse the transaction and return the money to your account, depending on how quickly you report it.

Do I have to accept a deposit into my account?

No. If someone is sending you money and you do not want to receive it, you can ask your bank to block deposits from that person's bank. You can also ask the person directly to stop. If money arrives anyway, you can return it or ask your bank to help you contact the sender to arrange a return.

Can someone deposit money into my account from another country?

Yes, but it takes longer and may cost more. International wire transfers usually take three to five business days and cost $25 to $50. International ACH transfers exist but are less common. The sender's bank will ask for your SWIFT code (an international bank identifier) in addition to your account number and routing number. Exchange rates may explore, so the amount that arrives may be slightly less than what they sent.

Is it safe to give someone my account number and routing number?

Yes, for deposits. These numbers are printed on your checks and are meant to be shared so people can send you money. However, do not share your PIN, password, or the three-digit security code on the back of your debit card. If someone has those, they can withdraw money or make purchases without your permission.