# UAE PASS API & Digital Identity Integration for Mobile Apps: Technical Guide
UAE PASS is the national digital identity solution for citizens, residents, and visitors in the United Arab Emirates. Implementing UAE PASS unlocks single sign-on (SSO), verified Emirates ID retrieval, and legal digital document signing (PKCS#7).
Technical OAuth2 / OIDC Authorization Flow
1. Authorization Request: App redirects user to UAE PASS mobile app or web auth screen via OAuth2 PKCE authorization code request.
2. App-to-App Seamless Handshake: On iOS and Android, Universal Links / App Links seamlessly trigger the native UAE PASS app for biometric confirmation.
3. Token Exchange: Backend exchanges authorization code for an access_token and id_token.
4. User Profile Retrieval: Query the /idshub/userinfo endpoint to fetch verified user attributes:
- Full English and Arabic Names
- Emirates ID Number
- Verified Mobile & Email Address
- Residency Status & Passport Info.
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