Face Authentication Check

Facial biometric authentication for passwordless login and account recovery.

About service

The Face Authentication Check is a facial biometric authentication service.

It uses our face match and liveness engine to authenticate your customer's facial attributes against their enrolled face.

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This type of check requires a customer's face to be enrolled first.

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We recommend running this type of check through our Hosted Solution, Web SDK, or native Mobile SDKs.

Common use cases

Use Face Authentication when you need fast biometric customer authentication:

  • Passwordless login: Replace passwords with selfie-based face authentication.

  • Account recovery: Re-authenticate users for account reactivation and unlock flows.

  • Step-up authentication: Add a biometric challenge for high-risk actions.

  • Periodic KYC re-verification: Confirm the same user returns over time.

Analysis performed

The Face Authentication Check confirms whether a customer’s live face matches their previously enrolled face.

The diagram below outlines the key analysis categories.


Face Authentication Overview: Selfie-based Biometric Matching and Liveness Scoring

Detailed verification checks

Analysis
Verifications Performed

Face authentication

Determines whether the live selfie matches the enrolled face.

Liveness scoring

Returns a confidence score between 0–100%. 100% indicates a highly reliable live presence. 0% indicates a likely spoof attempt.

Check duration

A Face Authentication Check takes an average of 2 seconds to complete.

You’ll typically run Face Authentication Check alongside:

Use these docs when designing end-to-end onboarding and authentication journeys: