A chargeback is the worst kind of customer complaint — instead of calling you, they called their bank. By the time you find out, the money is already gone from your account, you owe a $15–$25 fee, and you've got a 7-to-10-day window to fight it with paperwork.
Most merchants lose chargebacks because they don't know how the process works. The card brands actually publish detailed rules, the dispute is largely won or lost by the quality of the evidence you upload, and there are categories where you should just refund and move on.
Here's the field guide.
What a Chargeback Actually Is
When a customer disputes a charge with their issuing bank, the bank pulls funds out of your processor's account first, then your processor pulls it from yours. You also owe a chargeback fee — typically $15 on Visa/Mastercard, $25 on Amex.
The customer gets a provisional credit while the dispute is open. If you don't respond, you lose by default. If you respond with the right evidence, the bank can reverse the chargeback and return the money to you.
A few terms you'll see:
- Retrieval request: a softer step — the bank just wants documentation, no money moved yet. Respond fast and the issue often dies here.
- Representment: your counter-evidence after the chargeback hits.
- Pre-arbitration: the customer's bank escalates after your representment.
- Arbitration: the card network makes the final call. Loser pays a $500 fee. Avoid this unless the dispute is worth thousands.
The Three Reason Code Categories
Every chargeback comes with a reason code. There are dozens, but they collapse into three categories that determine how you fight back.
1. Fraud (Visa 10.x, Mastercard 4837 / 4863)
The cardholder says someone else used their card. Two flavors: card-present fraud (rare with EMV chip — liability shifts to the bank) and card-not-present fraud (the merchant's problem).
How to win: AVS match + CVV match + matching IP location + shipping to the billing address + delivery confirmation with signature. Anything less and the bank usually rules against you.
2. Authorization / Processing Errors (Visa 11.x, 12.x)
The transaction shouldn't have processed in the first place — declined card pushed through anyway, duplicate charge, wrong amount, late presentment. These are typically processor or terminal errors.
How to win: provide the original authorization response, the batch report, and the receipt showing the customer agreed to the amount. If it was a duplicate, refund the duplicate and provide proof of refund.
3. Consumer Disputes (Visa 13.x, Mastercard 4853)
“I didn't get the product.” “Product not as described.” “Canceled subscription, still charged.” This is where most chargebacks live and where merchants have the most leverage if their paperwork is in order.
How to win: proof of delivery (tracking + signature), the original order page showing item description, customer correspondence, return/refund policy they agreed to, and screenshots of product photos.
The Dispute Lifecycle
A typical chargeback runs 60-120 days end to end. The timeline:
- Day 0: customer disputes with their bank. Money debited from your account. Email from processor.
- Day 1–10: you upload evidence (representment). Most processors give you 7-10 calendar days, not business days. Miss the deadline and you lose by default.
- Day 10–45: the issuing bank reviews. They'll either reverse the chargeback (you win) or uphold it (you lose).
- Day 45–60: either party can request pre-arbitration. Issuer pushes back with additional cardholder testimony.
- Day 60–120:arbitration if nobody backs down. Card brand decides. Loser pays $500.
Visa Compelling Evidence 3.0 — Use This
Visa rolled out Compelling Evidence 3.0 in 2023 and merchants drastically under-use it. CE3.0 lets you defeat first-party fraud (“friendly fraud”) chargebacks by proving the customer has a history of legitimate transactions with you.
The requirements: two undisputed prior transactions from the same cardholder, 120-365 days before the dispute, with at least two matching data points (IP, device ID, shipping address, or customer account). Bundle that with the disputed transaction and you've got a near-automatic win.
If you run a subscription business, this is huge. Build CE3.0 packages into your dispute response template by default.
When to Just Refund and Move On
Not every chargeback is worth fighting. Three scenarios where you should just eat it:
- Transaction under $50 with no signed proof. Your time is worth more than the win.
- Customer disputes “product not received” and you don't have signed delivery proof. You will lose. Refund, mark internally as a known fraud account, block future orders.
- Subscription / recurring billing with no proof of cancellation policy. Refund, fix your terms, move on.
Counter-intuitive truth: a refund before a chargeback is free. Refund after the dispute hits costs you the $15-$25 fee on top of the lost sale and counts against your chargeback ratio. Refund proactively when you sense a complaint coming.
Keeping Your Chargeback Ratio Under 1%
Visa's chargeback monitoring program (VDMP) flags you at 0.9% chargeback ratio. Mastercard's starts at 1.5%. Cross either and you get monthly fines plus a forced remediation plan. Cross severely and your account gets terminated and you land on the MATCH list — basically being blacklisted from getting another merchant account for 5 years.
Practical ratio defense:
- Require AVS and CVVon card-not-present transactions. Decline mismatches.
- Use 3D Secure (Verified by Visa, Mastercard SecureCode). Shifts fraud liability to the issuer.
- Use clear billing descriptors. “XYZBIZ*HOTSAUCEORDER” on the statement triggers far fewer disputes than “XYZ LLC”.
- Sign up for Ethoca and Verifi alerts. $40-$50/month for a service that intercepts disputes before they become chargebacks. Almost always worth it.
- Respond to every customer email within 24 hours. 70% of consumer disputes are because the customer couldn't reach you.
- Keep ratio math in mind. Your ratio is chargebacks divided by the same month's transactions. If you're close to the limit, sometimes increasing legitimate transaction volume can buy you breathing room — but only fix the underlying cause.
The Bottom Line
Chargebacks are a cost of doing business with cards, but they're also one of the few places where the rules are written down and a careful merchant has the advantage. Fight the winnable ones with the right evidence. Refund the unwinnable ones before they become disputes. Keep your ratio under 1% and your account stays healthy.
If your current processor gives you a clunky dispute portal with PDF uploads and no help — you're paying for processing that doesn't come with support. Look at our pricing page for what processing-with-actual-support looks like.
Related: 5 Hidden Fees in Payment Processing and PCI Compliance for Small Businesses.