> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.idenfy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Fraud Prevention

> Detect fraud beyond document verification with iDenfy tools for risk scoring, proxy detection, phone validation, and address checks.

## Overview

iDenfy's fraud prevention tools work alongside identity verification or as standalone API checks. Use them to add extra layers of trust before onboarding a customer.

## Available Tools

<Columns cols={2}>
  <Card title="Risk Assessment" icon="gauge-high" href="/fraud-prevention/risk-assessment">
    AI-powered risk scoring. Combine KYC, KYB, and AML signals into a single risk score with customizable rules and weights.
  </Card>

  <Card title="Proxy Check" icon="shield" href="/fraud-prevention/proxy-check">
    Detect if a user is behind a VPN, proxy, or Tor during verification. Returns risk level and IP details.
  </Card>

  <Card title="Fraud Probability" icon="chart-line" href="/fraud-prevention/fraud-probability">
    AI-generated fraud probability score based on multiple signals from the verification session.
  </Card>

  <Card title="Phone Validation" icon="phone" href="/fraud-prevention/phone-validation">
    Validate phone number format, carrier, and line type without contacting the user.
  </Card>

  <Card title="Phone Verification" icon="mobile" href="/fraud-prevention/phone-verification">
    Verify phone ownership by sending an SMS or call with a confirmation code.
  </Card>

  <Card title="Address Verification" icon="map-pin" href="/fraud-prevention/address-verification">
    Verify customer addresses against official postal and government records.
  </Card>

  <Card title="AI Proof of Address" icon="file-check" href="/fraud-prevention/ai-poa">
    AI-powered verification of utility bills, bank statements, and other proof of address documents.
  </Card>
</Columns>

***

## When to Use What

| Use case                             | Tool                                                           | Integration                                              |
| ------------------------------------ | -------------------------------------------------------------- | -------------------------------------------------------- |
| Score overall risk of a verification | [Risk Assessment](/fraud-prevention/risk-assessment)           | During KYC (via token parameter `riskAssessmentProfile`) |
| Block VPN/proxy users                | [Proxy Check](/fraud-prevention/proxy-check)                   | During KYC (via token parameter `checkIpProxy`)          |
| Validate a phone number before SMS   | [Phone Validation](/fraud-prevention/phone-validation)         | Standalone API call                                      |
| Confirm phone ownership              | [Phone Verification](/fraud-prevention/phone-verification)     | During KYC or standalone                                 |
| Check if address is real             | [Address Verification](/fraud-prevention/address-verification) | Standalone API call                                      |
| Verify a utility bill document       | [AI Proof of Address](/fraud-prevention/ai-poa)                | During KYC (via `additionalSteps`) or standalone         |

<Tip>
  Most fraud prevention tools can be enabled **automatically during KYC** by setting parameters in the [session creation](/kyc/generate-token) request, or called as **standalone API endpoints** independently of verification.
</Tip>

## Next Steps

<CardGroup cols={2}>
  <Card title="Risk Assessment" icon="gauge-high" href="/fraud-prevention/risk-assessment">
    Configure AI-powered risk scoring.
  </Card>

  <Card title="Proxy Check" icon="shield" href="/fraud-prevention/proxy-check">
    Detect VPN, proxy, and Tor usage.
  </Card>

  <Card title="Phone Verification" icon="mobile" href="/fraud-prevention/phone-verification">
    Verify phone ownership via SMS.
  </Card>

  <Card title="AI Proof of Address" icon="file-check" href="/fraud-prevention/ai-poa">
    Verify utility bills and bank statements.
  </Card>
</CardGroup>