Chargeback rate is the percentage of transactions disputed by cardholders and reversed by their issuing bank, calculated as total chargebacks divided by total transactions over a given period.

Card networks track this number closely. Visa and Mastercard will place you in monitoring programs if your chargeback rate exceeds 0.9-1%, and excessive chargebacks can get you dropped by payment processors entirely. For fintech CX leaders, this metric is existential.

Most chargebacks fall into three categories: fraud (unauthorized transactions), merchant error (duplicate charges, wrong amounts), and friendly fraud (customers disputing legitimate purchases). Your support team's job is to prevent the preventable ones. Clear transaction descriptors reduce "I don't recognize this charge" disputes. Proactive communication about billing reduces subscription chargebacks. Fast refund processes stop customers from going to their bank instead of you.

The real leverage is in your dispute response. When chargebacks come in, you have a narrow window to submit evidence. Teams that systematically gather transaction logs, delivery confirmations, and communication records win more representments. Track your win rate on disputes—it should be 40% or higher for non-fraud cases.

Related terms: Payment failure rate, Transaction approval rate, Fraud prevention