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GuardScore™

Compliance score 0-100 for high-risk merchants. Surfaces Visa Acquirer Monitoring Program (VAMP) exposure before processors act. Free for merchants, shareable with PSPs and underwriters.

Score components

  • Chargeback rate (40%)
  • Fraud stack (25%)
  • Auth rate (15%)
  • Volume profile (10%)
  • PSP mix (10%)

Color tiers

  • Green (75+) — compliant
  • Amber (50-74) — at risk
  • Red (<50) — critical

Endpoint

POST /api/v2/guardscore/assess
curl -X POST https://www.merchantguard.ai/api/v2/guardscore/assess \
  -H "Content-Type: application/json" \
  -d '{
    "merchantId": "mch_123",
    "vampRatio": 0.0085,
    "monthlyVolume": 250000,
    "fraudTools": ["3ds", "rdr", "ethoca"],
    "avgTicketUSD": 89,
    "isDigitalGoods": true,
    "hasGuestCheckout": false
  }'

Response shape

{
  "score": 72,
  "tier": "amber",
  "vampProjection": { "current": 0.0085, "eom": 0.0102 },
  "survival": { "probability": 0.83, "matchEta": null },
  "actions": [
    { "id": "enable_3ds_high_risk_bins", "effort": "low", "impact": 0.18 },
    { "id": "expand_rdr_coverage",       "effort": "low", "impact": 0.12 }
  ],
  "agentReady": { "score": 88, "tier": "diamond" }
}

Shareable trust profile

Each score generates a shareable URL at /trust/{token} with a 30-day TTL. Public shell shows score + survival probability. OTP-gated core unlocks the full passport plus PSP matches. Designed as a B2B lead-gen surface for ISOs and underwriters reviewing merchant compliance.

VAMP thresholds (reference)

  • 0.9% — Early Warning
  • 1.5% — Fines start
  • 1.8% — Severe / MATCH list
  • 45 days for remediation plans after breach.

Resources

Free calculator: merchantguard.ai/tools/guardscore-calculator
Visual passport: merchantguard.ai/premium/guardscore

Nothing on this page is legal advice. Trademarks pending: MerchantGuard™ (Serial 99051215), GuardScore™ (Serial 99030125), AgentGuard™ (Serial 99462472). Patents 63/983,615 / 63/983,621 / 63/983,843 / 63/984,626 (provisional, filed Feb 17 2026). See LEGAL.md, PATENTS.md, DISCLAIMER.md.