Mmastodon BusinessBanking first seen 1 d ago, last 59 min ago, peak #10
US merchant's card surcharge rules spark cardholder complaints
Original: Added card-surcharging logic for a US merchant: debit cards skip the 3% fee, credit cards get it, per the usual state ru
A US merchant has rolled out card-surcharging logic in which debit cards are exempt from the 3% fee while credit cards are charged, following common state rules. Card classification relies on a static BIN range table updated quarterly from the payment processor. Complaints have begun trickling in from cardholders disputing the surcharges, raising questions about how BIN-based debit and credit classification holds up in practice.
Why now: Cardholders are disputing surcharges, highlighting flaws in BIN-based debit versus credit classification.
US merchantpayment processorcardholders
Evidence
- Added card-surcharging logic for a US merchant: debit cards skip the 3% fee, credit cards get it, per the usual state rules. Classification ran off a static BIN range table refreshed quarterly from our processor. Surcharge complaints started trickling in — cardholders insisting… · hackaday@www.urbanmind.net · 2
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