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.

