Processors do not shut merchants down over individual chargebacks — they shut them down over ratios. Understanding how Visa and Mastercard count is the difference between a warning and a termination.
It is a ratio, not a number
No merchant was ever terminated for a single chargeback. Terminations happen when your chargeback count divided by your transaction count crosses network thresholds — Visa's monitoring programs begin at 0.9% and 100 disputes in a month, and Mastercard's at 1% and 100 disputes. Cross those lines repeatedly and you graduate from monitoring to fines to, eventually, the MATCH list.
The ratio math cuts both ways. A spike in disputes hurts, but so does a drop in sales volume: 60 chargebacks against 10,000 transactions is 0.6% and survivable, while the same 60 against 5,000 transactions is 1.2% and an emergency. Merchants who slow their processing during a dispute wave often make their ratio worse, not better.
Managing the ratio before it manages you
The defensive playbook is well established: clear billing descriptors so customers recognize the charge, fast refunds for unhappy buyers (a refund costs you the sale; a chargeback costs the sale, a fee, and ratio damage), and dispute alerts — services like Ethoca and Verifi that let you refund a transaction before it officially becomes a chargeback.
Structure matters too. Routing repeat billing and high-ticket items to verified ACH removes those transactions from your card ratio entirely. Sterling Ridge builds chargeback alerts and multi-rail routing into high-risk accounts precisely because keeping merchants under the line is cheaper — for everyone — than rehabilitating an account after the networks flag it.
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