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Practical guidance on payments, fraud prevention, and commerce infrastructure for enterprise merchants. Learn how to cut false declines and protect revenue.
Chargebacks October 7, 2026
Stripe account closed? Learn what to do in the next 72 hours: export your data, protect held funds, answer disputes and get a new merchant account fast.
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Fraud October 7, 2026
The Visa VAMP threshold for US merchants fell to 1.5% on April 1, 2026. See how the ratio works, what counts, and how to stay well under the line.
Chargebacks October 7, 2026
What the Mastercard MATCH list is, every reason code, how merchants land on it, how to check if you are listed, and the only two ways to get off early.
Fraud October 7, 2026
Learn how to spot a card testing attack in the first hour, what it costs under Visa VAMP rules, and the steps to stop it before your processor acts.
Fraud October 7, 2026
A rolling reserve can hold 5 to 15 percent of your sales for months. Learn how reserves work, what triggers them, and how to get yours reduced or released.
Merchant Accounts October 7, 2026
A dedicated merchant account is underwritten before your first sale. Compare it with a shared Stripe, Square or PayPal account and learn when to switch.
Fraud October 7, 2026
Learn the six fraud detection metrics every online merchant should track, with correct formulas, an instrumentation checklist and weekly alert thresholds.
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Research and field notes on payments, fraud, and disputes. One email per post.
