Overpayment Scams

Illustration of Overpayment Scams — personal finance documents on a desk

By ZapScam Editorial Team · Last updated: April 2026 · Reviewed for accuracy

Americans lost $12.5 billion to fraud in 2024, according to the FTC.

Quick Answer

Overpayment scams trick sellers by sending a fraudulent payment for more than the agreed price and then requesting a refund of the difference, with the FBI's Internet Crime Complaint Center (IC3) receiving 2,194 complaints for this scam type in 2025.

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How It Works

1
A scammer, posing as a buyer, contacts a seller on an online marketplace like Facebook Marketplace or Craigslist and agrees to purchase an item.
2
The scammer sends a payment for more than the asking price, typically using a counterfeit cashier's check, personal check, or a fraudulent online payment.
3
The scammer provides an urgent excuse for the overpayment, such as a mistake or needing extra funds to cover shipping costs, and asks the seller to deposit the payment and immediately send back the excess amount.
4
The seller sends the "refund" using an irreversible method like a wire transfer, gift card, or peer-to-peer payment app. Days or weeks later, the bank discovers the original payment was fraudulent, reverses the deposit, and the seller is liable for the full amount, losing the money they sent to the scammer.

Red Flags

What to Do If Targeted

How to Report It

Key Statistics

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Frequently Asked Questions

An overpayment scam occurs when a scammer sends a seller a payment, usually a fake check, for more than the agreed-upon price. The scammer then asks the seller to refund the excess amount using an untraceable method like a wire transfer or gift card. The original payment eventually bounces, and the seller loses the money they sent as a 'refund'.
Federal law requires banks to make deposited funds available to you within a few days. However, it can take weeks for the bank to discover that a check is counterfeit. When the check bounces, the bank will withdraw the full amount from your account, and you will be responsible for repaying it, including any money you sent to the scammer.
If you paid a scammer, immediately contact the financial institution you used for the transaction, such as your bank, wire transfer service, or gift card company. Report the transaction as fraudulent and ask for it to be reversed, though recovery is not guaranteed. You should also report the scam to the FTC at reportfraud.ftc.gov and the FBI at ic3.gov.
No, overpayment scams can occur in various situations beyond online marketplaces. They also target landlords receiving security deposits, freelancers getting paid by new clients, small businesses, and people rehoming pets or selling tickets. The core tactic of sending a fraudulent payment for too much and requesting a refund remains the same.

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