Developer Documentation

FIVUCSAS API Documentation

Integrate identity verification, biometric authentication, and multi-factor security into your applications with our comprehensive API platform.

API Reference

Identity Core API

User management, authentication flows, OAuth 2.0/OIDC, enrollment management, session handling, and role-based access control.

REST API

Biometric Processor API

Face recognition, liveness detection, embedding extraction, and face search powered by AI/ML models. Internal microservice.

Internal

Widget SDK

Embeddable authentication widget for third-party integration. Drop-in JavaScript component with full customization support.

JavaScript

Quick Start

index.html
<!-- 1. Include the FIVUCSAS Auth Widget -->
<script src="https://verify.fivucsas.com/fivucsas-auth.js"></script>

<!-- 2. Add a container element -->
<div id="fivucsas-auth"></div>

<script>
  // 3. Initialize the widget
  const auth = new FivucsasAuth({
    clientId: 'your-client-id',
    container: '#fivucsas-auth',
    onSuccess: (result) => {
      console.log('Verified!', result.token);
    }
  });

  // 4. Start verification
  auth.verify();
</script>

Architecture Overview

Your Application
API Gateway
Identity Core API
Biometric Processor