

No passwords. No hassle. Just authentication that works for you and your users.
Three simple ways for users to log in securely
Users sign in with their fingerprint, face recognition, or device security. Fast and secure.
Send a secure link or one-time code to the user's email. Simple login without passwords.
Let users sign in with existing accounts from Google, Microsoft, GitHub and many others.
Built on OAuth 2.0, CentralAuth fits seamlessly into modern codebases, AI-assisted workflows and no-code builds. From first prompt to production-ready auth, you can be up and running in minutes.
Built on industry standards for reliable integration with existing applications.
Manage users, organizations and more with an easy to use REST API.
Install the official CentralAuth library for Node.js with full TypeScript support.
Plug the official CentralAuth MCP server into your AI tooling and generate setup guidance, env files and starter integrations with simple prompts instead of repetitive boilerplate.
import { CentralAuth } from 'centralauth';
const auth = new CentralAuth({
clientId: 'your-client-id',
secret: 'your-client-secret',
authBaseUrl: 'https://centralauth.com',
callbackUrl: '/auth/callback'
});
// Redirect to login
await auth.login();
// Handle callback
const user = await auth.callback();
// Get user information
const userInfo = await auth.getUserData();Prefer prompting over plumbing? The official CentralAuth MCP server helps AI agents and no-code builders generate callback guidance, starter files and environment setup automatically.
Advanced session hijacking protection keeps user sessions secure even after authentication.
Intelligent detection systems to prevent automated attacks.
Secure API integration with tenant and organization-level API keys for automation.
Use your own domain for authentication endpoints with whitelabel support.
Manage multiple organizations with separate user databases and settings.
Use your own SMTP server for authentication emails.
Your data stays in the EU. No tracking, no marketing, no nonsense.
Your data never leaves Europe for full GDPR compliance.
We don't use analytics, pixels, or any tracking technologies on your users.
We don't sell it, mine it, or spam your users. It's yours, not ours.
Join developers who chose CentralAuth for reliable, modern authentication.
Free tier available - no credit card required