Fingerprint View

The fingerprint module collects device signals to detect fraud and assess risk.

Collection flow

Collected signals

Signal	Description	Example
userAgent	Browser user agent string	Mozilla/5.0...
screenResolution	Screen dimensions	1920x1080
timezone	IANA timezone	Europe/Madrid
language	Browser language	en-US
webglRenderer	GPU information	ANGLE (Intel...)
canvasFingerprint	Canvas rendering hash	a1b2c3d4...

Usage

fingerprint.ts

const fingerprint = await client.createFingerprint({
  sessionId: session.id,
  deviceData: {
    userAgent: navigator.userAgent,
    screenResolution: `${screen.width}x${screen.height}`,
    timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
    language: navigator.language,
  },
});

console.log('Risk score:', fingerprint.riskScore);
console.log('Signals:', fingerprint.signals);

Privacy

All fingerprint data is hashed before storage. Raw device data is not persisted beyond the analysis window.