What a chargeback actually is
A chargeback is a forced reversal initiated by the cardholder's bank, not by you and not by your processor. The customer disputes a charge, their issuing bank pulls the funds back out of your account, and you are notified after the money is already gone.
This is different from a refund, which you choose to issue. In a chargeback the decision belongs to the issuing bank, and the burden of proof sits with you.
What one costs
The sale is the smallest part. You lose the transaction amount, you usually lose the goods if they shipped, you pay a chargeback fee regardless of outcome, and you spend staff time assembling evidence.
The compounding cost is your chargeback ratio. Card networks monitor disputes as a percentage of transactions, and crossing threshold puts you into a monitoring program with fines, mandatory remediation, and in severe cases loss of your ability to accept cards at all. For a low-volume merchant, a handful of disputes can move that percentage sharply because the denominator is small.
The three real causes
Every chargeback is one of these, and the prevention for each is completely different.
True fraud
A stolen card was used. The genuine cardholder disputes a purchase they did not make. Prevention is authentication and verification at the point of sale.
Merchant error
The customer was charged twice, charged the wrong amount, charged after cancelling, or received something other than what was described. Prevention is operational discipline.
Friendly fraud
The cardholder made the purchase and disputes it anyway, sometimes deliberately, often because they did not recognize the charge or a family member used the card. This is the largest and fastest-growing category, and prevention is mostly about clarity.
Preventing fraud chargebacks
Take cards in person where you can
A chip transaction correctly processed shifts counterfeit-fraud liability to the issuing bank. This single fact is why EMV acceptance matters commercially, not just technically.
Use address verification online
AVS checks the billing address against the issuer's records. Declining mismatches costs you a small number of legitimate sales and prevents a much larger number of disputes.
Require the security code
Requiring CVV on card-not-present transactions filters out a meaningful share of stolen-card attempts.
Watch the obvious patterns
Multiple cards from one device, mismatched billing and shipping, unusually large first orders, and rush shipping on high-value goods are the classic combination.
Preventing friendly fraud
This is where most merchants can improve fastest, because it is mostly a communication problem.
Fix your billing descriptor
The name on the customer's statement should be the name they recognize. A holding company name nobody has heard of generates disputes purely through confusion, and this is a five-minute fix with enormous return.
Put your phone number on the descriptor
Many issuers display it. A customer who calls you does not call their bank.
Send a receipt immediately
Emailed at the moment of purchase, with a clear description and your contact details.
Make refunds easy and obvious
A refund costs you the sale. A chargeback costs the sale, a fee, and a mark on your ratio. Making refunds easy is strictly cheaper.
Notify before recurring charges
A subscription charged silently after a free trial is the single most disputed transaction type there is. An email a few days before the charge removes most of it.
Be explicit about delivery timelines
Set the expectation at purchase, and update proactively if it slips.
Fighting one you believe is wrong
You have a limited window, usually 7 to 30 days depending on the network and reason code, and missing it forfeits the case automatically.
Start by reading the reason code, because it dictates what evidence counts. A non-delivery dispute is won with tracking and delivery confirmation. A not-as-described dispute is won with product descriptions, photos, and your terms. An unauthorized dispute is won with AVS and CVV match results, IP data, and any record of the customer using the account before.
Submit exactly what the reason code calls for, organized and dated. Volume of documentation does not help; relevance does. And accept that some disputes are not winnable, spending three hours on a $40 dispute you will lose is not a good use of the afternoon.
What to track
Watch your chargeback ratio monthly rather than annually, break disputes down by reason code to see which of the three causes dominates, and track your win rate on the ones you fight. If a single reason code accounts for most of your disputes, that is a specific operational problem with a specific fix.
236.6B
US noncash payments in 2024, over three quarters by card
Source: Federal Reserve Payments Study
Common questions
What is a chargeback, and how is it different from a refund?+
A chargeback is a forced reversal started by the cardholder's bank, not by you. A refund is one you choose to issue. In a chargeback the bank pulls the funds back, you are notified after the money is gone, and the burden of proof is yours.
What does a chargeback actually cost me?+
You lose the sale, usually the goods if they shipped, and a chargeback fee regardless of outcome, plus staff time gathering evidence. The bigger risk is your chargeback ratio: cross a threshold and you enter a monitoring program with fines.
What are the main causes of chargebacks?+
Three. True fraud, where a stolen card was used. Merchant error, like double charges or items not as described. And friendly fraud, where a real customer disputes a genuine purchase. Friendly fraud is the largest and fastest growing.
How do I actually prevent chargebacks?+
Use a billing descriptor customers recognize, ship with tracking, describe products accurately, and make refunds easy so customers come to you before their bank. For card-not-present orders, run AVS and CVV checks. Match the fix to the cause.
Can I fight a chargeback and win?+
Yes, through representment, especially against friendly fraud. You submit evidence: the transaction record, delivery confirmation, and communications. The process is unforgiving on deadlines, so respond fast and keep organized records from the start.
Chargebacks shouldn't freeze your funding.
You're notified the day a dispute arrives, with the reason code in plain language, and our team reviews your evidence with you before it's submitted.
More on merchant services and credit card processing, or read the payments glossary.