Why Passwordless Authentication Wins
Passwords are the weakest link in security. Discover why magic links and passwordless authentication offer superior security, better UX, and lower support costs.
Read MoreAdd magic link authentication to your app in minutes. No passwords, no hassle. Just secure, frictionless login provided free with ad-supported delivery.
POST https://api.magicauth.app/send-link
{
"email": "user@example.com",
"app_key": "your_app_key",
"redirect_url": "https://yourapp.com/dashboard"
}
// User receives email with magic link
// User clicks link -> automatic sign-inEverything you need for passwordless authentication
Deploy in minutes with just 2 API calls. No complex setup, no database configuration.
HMAC verification, rate limiting, domain whitelisting, and automatic token expiration.
Every login is backed by a consistent MagicAuth.app trust layer, with clear provider branding and simple handoff back to your site.
Track link sends, clicks, verifications, and unique users with our built-in dashboard.
Get real-time notifications for logins, failures, and suspicious activity.
Powered by Cloudflare's edge network. <50ms latency worldwide.
MagicAuth stays free by showing sponsored content in the login flow. There are no earnings or payouts for developers.
Unlimited authentications at zero cost. MagicAuth is supported by ads, not developer subscription fees.
No signup fees, no monthly bills, no hidden costs. Start sending secure magic links from day one.
Free forever with ad-supported delivery. No paid upgrade, no payouts, and no hidden monthly authentication bill.
Experience passwordless authentication in action. Enter your email and we'll send you a magic link to create your free webmaster account!
Magic link sent!
Check your email and click the link to instantly access your new webmaster account.
The perfect combination: passwordless authentication + bot protection + ad-supported free delivery
Users click a link in their email. That's it. No password resets, no "forgot password" emails, no weak passwords to worry about. Just instant, secure access.
rCAPTCHA verifies users before they can request a magic link, blocking bots and spam while keeping the experience smooth for real users.
MagicAuth does not offer developer payouts or custom earnings. The login service remains free because the flow is ad-supported.
Unlimited magic links, unlimited verifications, zero monthly fees. Ads support the service so your app can keep authentication simple.
Ready to revolutionize your app's authentication?
Join thousands of developers who've already made the switch to free, ad-supported passwordless auth.
Deep dives into passwordless auth, security, and the future of login
Passwords are the weakest link in security. Discover why magic links and passwordless authentication offer superior security, better UX, and lower support costs.
Read MoreMagic links rely on email security. Learn essential practices like SPF, DKIM, DMARC, token expiration, and rate limiting to keep your authentication secure.
Read MoreFrom WebAuthn and passkeys to biometrics and blockchain-based identity - explore emerging authentication technologies that will replace passwords forever.
Read MoreJoin thousands of developers using MagicAuth for secure, frictionless authentication.
Your free webmaster account is ready! You now have: