Glossary
High-risk merchant
A high-risk merchant is a business that acquirers and schemes treat as more likely to produce chargebacks, fraud, regulatory trouble or sudden closure: gambling and betting, adult content, forex and crypto, nutraceuticals and subscriptions with free trials, travel sold far in advance, debt collection, telemarketing, and any merchant with a history above the chargeback thresholds. The label comes from the merchant category code, the model and the history, and it means registration fees, a rolling reserve, higher pricing and closer monitoring.
Why the risk is real for the acquirer
Chargebacks arrive weeks after the sale: if the merchant has closed or cannot pay, the acquirer pays. Regulated industries bring licence checks and sanctions exposure. Future delivery means the acquirer carries the undelivered services if the merchant fails. The reserve, the fees and the monitoring are the acquirer’s insurance against those outcomes.
Serving high-risk merchants well
Several acquirers per category and country, because any one may exit; limits that keep each merchant inside its acquirer’s contract; chargeback alerts and fast refunds to stay under the thresholds; a rolling reserve calculated and released automatically; a clear descriptor; and reports that show the ratio per merchant before the scheme does.
On the platform
Tranzify gives a licensed client the route groups, limits per merchant and terminal, rolling reserve rules, chargeback records and per-merchant reports that high-risk portfolios need, and keeps every payment journaled for the years disputes and audits reach back.
Updated: 2026-11-08