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Plain-text accounting insights, tutorials, and updates from the Beancount.io team.

Visa and Mastercard Just Tightened Chargeback Monitoring Again: What the 2026 VAMP Threshold Cut Means for Merchants

Visa lowered its VAMP excessive-merchant threshold from 2.2% to 1.5% on April 1, 2026, with fines of $8 per flagged transaction, and Mastercard's Excessive Chargeback Program still triggers at 100+ monthly chargebacks — here's how the ratio math catches small merchants off guard and how to bring it back under the line.