Payment Dispute Resolution: A Structured Approach to Winning Chargebacks

A chargeback is a forced reversal initiated by a cardholder’s bank. Unlike a refund, which you control, a chargeback bypasses you entirely and debits your settlement account. Merchants lose the transaction amount plus a chargeback fee ($15–$50 per dispute), and high chargeback rates trigger network monitoring programs. But chargebacks are not automatically losses: with the right evidence and process, merchants win a meaningful percentage of representments.

Understanding the Chargeback Timeline

Chargebacks follow a strict timeline with hard deadlines:

1. Day 0: Customer contacts their bank to dispute a charge
2. Day 1-5: Bank issues provisional credit to cardholder; chargeback is initiated
3. Day 1-7 (typically): Merchant receives chargeback notification from processor
4. Day 7-15: Merchant must submit rebuttal evidence (deadline varies by network and reason code)
5. Day 30-75: Issuer reviews evidence and issues final decision
6. Post-decision: Pre-arbitration and arbitration available for certain cases (additional fees apply)

Missing the representment deadline means automatic loss. Building a dispute response process that triggers immediately on notification is essential.

Chargeback Reason Codes and Winning Evidence

Fraud (Unauthorized Transaction)

This is the highest-volume reason code for ecommerce. Cardholder claims they didn’t authorize the transaction.

Winning evidence: Device fingerprint matching the cardholder’s known devices, IP address in the cardholder’s geography, 3DS authentication record (this is near-incontrovertible evidence, issuers almost always reverse fraud chargebacks on 3DS-authenticated transactions), successful delivery confirmation with signature, and prior purchase history showing the same cardholder made similar purchases.

Item Not Received

Cardholder claims they didn’t receive what they ordered.

Winning evidence: Delivery confirmation with tracking, signature on delivery, IP-logged download for digital goods, customer service communication showing the dispute wasn’t raised with you before going to the bank.

Item Not as Described

Cardholder claims the product or service didn’t match what was advertised.

Winning evidence: Screenshots of your product description at time of purchase, customer service communication history, your return/refund policy (clearly shown at checkout), evidence the customer did not contact you to resolve the issue before filing the chargeback.

Subscription Canceled

Cardholder claims they canceled but were still charged.

Winning evidence: Cancellation confirmation showing no cancellation was processed before the disputed billing date, your terms of service accepted by the cardholder at signup, clear communication of billing terms.

The Decision: Fight or Accept

Not every chargeback is worth fighting. Consider accepting when: the amount is small (under $50) and winning isn’t worth the time; the evidence is genuinely weak; the reason code is fraud and you have no 3DS record. Fight when: the amount is significant; you have strong evidence; it’s a reason code where you have good win rates historically.

ConvesioPay’s Dispute Management Tools

ConvesioPay provides real-time dispute notifications, response deadline tracking, evidence submission templates by reason code, and Adyen’s representment infrastructure. The built-in 3DS implementation provides the strongest possible evidence for fraud chargebacks, ConvesioPay’s Q1 2026 data shows 3DS-authenticated transactions result in 5.1x fewer chargebacks, and those that do occur are significantly easier to win. Flat rate: 2.9% + $0.30, no monthly fees.