Cardless ID Documentation

Complete documentation for the Cardless ID credential system

Available Documentation

Integration Guide

Complete guide to integrating Cardless ID age verification into your application. Includes SDK documentation, REST API reference, code examples, and best practices.

Custom Verification Provider GuideNEW

Build custom identity verification flows for Cardless ID. Learn how to implement full verification providers (document + biometric) or integrate with cloud verification services like Stripe Identity, Persona, or Onfido.

Delegated Verification GuideNEW

For trusted issuers (banks, DMVs, universities, employers, healthcare providers): Issue Cardless ID credentials to your verified users via API. Includes API reference, code examples, and integration patterns.

Wallet App Developer Guide

Guide for mobile app developers building compatible wallet applications. Includes deep linking setup, API integration, and implementation examples for iOS, Android, and React Native.

Credential Schema Documentation

Complete W3C Verifiable Credential schema documentation, including field definitions, usage guidelines, and verification examples.

Schema API Endpoint

Machine-readable JSON schema endpoint for programmatic access to the credential structure.

Quick Links

Credential API

  • GET /api/credentials/schema
  • POST /api/credentials
  • POST /api/credentials/transfer

Integrator API

  • POST /api/integrator/challenge/create
  • GET /api/integrator/challenge/verify/:id

Verification API

  • POST /api/verification/start
  • GET /api/verification/status/:id
  • POST /api/delegated-verification/issue

Support

  • 📧 Email: me@djscruggs.com
  • 🐛 Issues: GitHub Issues
  • 💬 Community: Discord (coming soon)