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What is card-testing actually costing you?

Bot card-testing burns dispute fees, drags down processor reputation, and pushes you toward Stripe Radar / Visa VAMP warnings. Plug in your numbers — see the math.

How we calculate

  • Industry estimate: ~12% of legit orders represent bot card-testing attempts on stores without bot defense.
  • Of those bot attempts, roughly ~4% turn into actual disputes the merchant absorbs.
  • Dispute fees: Shopify Payments / Stripe = $15, PayPal = $20.
  • Processor warning thresholds: Visa VAMP and Mastercard MATCH trigger around 0.9% chargeback ratio; Stripe Radar surfaces warnings above ~0.75%.
  • This is intentionally conservative. Real numbers vary by category, AOV, and how aggressive the bot population is.