Forget Passwords.
Sign In to the Future.
Digital Identity Redefined with Atlantic ID;
Free, open-standard, and enterprise-grade authentication infrastructure for your modern applications.
Integrate via OAuth2 in minutes.
100%
Free99.9%
UptimeFIDO2
CertifiedApprove Payment
Sign in securely to complete this action.
Protected by
Welcome Back
2FA Verification
Enter your authenticator code
Authenticating...
Touch your device biometric sensor
Shopping Application
Why Atlantic ID?
Leave legacy auth behind. Modern, secure, and infinitely scalable identity infrastructure.
Passwordless (Passkey)
Forget passwords. Authenticate users in seconds with biometric Face ID, Touch ID, or security keys.
2FA & Hardened Security
Fortify accounts with TOTP and offline emergency recovery codes. Proactive protection against brute-force attacks.
Centralized SSO
Unify your entire product ecosystem under one single sign-on experience with seamless session management.
Privacy-First Architecture
Your users' data is not a product. Preserve confidentiality with granular, consent-driven OAuth scopes.
Detailed Auditing
Who signed in, from where and when? Track security events with real-time audit trails and forensics.
Developer-Obsessed
Built strictly on open OAuth2 and OIDC standards. Integrate effortlessly in PHP, Node.js, Python, or Go.
Integrate in
Minutes.
No complicated proprietary SDKs. Atlantic ID works natively with standard OAuth2 and OpenID Connect.
use AtlanticID\Client; // 1. Client Init $client = new AtlanticClient([ 'client_id' => 'cli_8f7a2...', 'client_secret' => 'sec_9d2b1...', 'redirect_uri' => 'https://app.com/callback' ]); // 2. Authenticate if (isset($_GET['code'])) { $user = $client->authenticate($_GET['code']); echo "Hello, " . $user->name; }
Start Building the Future
Say goodbye to credential leaks and password resets. Secure your applications with Atlantic ID today.