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The FraudShield API provides comprehensive fraud prevention through device fingerprinting, velocity checks, and behavioral analysis.

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Key Features

Device Intelligence

Fingerprint devices and detect emulators, VPNs, and proxies

Velocity Checks

Monitor transaction patterns and detect anomalies

Blocklists

Manage device, IP, and user blocklists

Risk Scoring

Real-time risk scores with sub-50ms response times

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Base URL

https://api.txcloud.io/v1/fraud
For testing, use the sandbox environment: 
https://sandbox.api.txcloud.io/v1/fraud

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Authentication

All requests require a Bearer token: 
curl https://api.txcloud.io/v1/fraud/assess \
  -H "Authorization: Bearer txc_live_your_api_key"

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Quick Start

import TXCloud from '@txcloud/sdk';

const txcloud = new TXCloud('your_api_key');

const assessment = await txcloud.fraud.assess({
  user_id: 'user_123',
  event_type: 'login',
  device: {
    fingerprint: 'device_fingerprint...',
    ip_address: '197.230.x.x'
  }
});

console.log(assessment.risk_level); // 'low'

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Endpoints

MethodEndpointDescription
POST/fraud/assessAssess fraud risk
POST/fraud/device/fingerprintRegister device fingerprint
GET/fraud/device/{id}Get device details
POST/fraud/blocklistAdd to blocklist
GET/fraud/blocklistList blocklist entries