Comprehensive Fraud Detection

Everything you need to protect your business from fraud in one powerful API

Catch bad email addresses

RFC-compliant syntax checking, domain verification, disposable email detection, and custom blocklists.

Block bad IP addresses

Detect VPNs, proxies, Tor nodes, and problematic ISPs. Real-time geolocation with location matching.

Protect your reputation

Automatic chargeback prevention with real-time transaction analysis and intelligent refund recommendations.

Score each action

Weighted algorithm with configurable risk weights and severity levels. Human-readable risk messages.

Build your own blocklists

Manage your own blocklists with severity levels. Share entries across accounts or keep them private.

Built for developers

RESTful API with comprehensive documentation. Easy integration with clear error messages and response formats.

Email Validation

Comprehensive email validation with multiple layers of protection.

  • RFC-compliant syntax validation
  • MX and DNS record verification
  • Disposable email detection
  • Custom email and domain blocklists 
POST /api/validate
{
  "email": "user@example.com"
}

Response:
{
  "risk_score": 15,
  "risk_message": "LOW RISK",
  "data": {
    "checks": {
      "invalid_email": false,
      "disposable_email": false
    }
  }
}
POST /api/validate
{
  "ip": "192.168.1.1",
  "country_code": "US"
}

Response:
{
  "risk_score": 45,
  "risk_message": "MODERATE RISK",
  "data": {
    "checks": {
      "vpn": false,
      "proxy": false,
      "tor": false,
      "location_match": true
    },
    "location": {
      "country_code": "US",
      "city": "New York"
    }
  }
}

IP Analysis

Advanced IP analysis with real-time threat detection.

  • VPN, proxy, and Tor detection
  • Real-time geolocation lookup
  • Location matching and verification
  • ISP reputation checking

Stripe Chargeback Prevention

Automatically analyze transactions and prevent chargebacks before they happen.

  • Real-time transaction analysis
  • 14+ risk factors evaluated
  • Intelligent refund recommendations
  • Complete audit trail 
Webhook: payment_intent.succeeded
{
  "risk_score": 78,
  "recommendation": "refund",
  "risk_message": "HIGH RISK - Multiple red flags"
}

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