✨ E-mail Magic Link Auth

Ultra easy auth for any site

Integrate secure email verification in seconds. No heavy SDKs, no bloat, just a simple login link & webhook endpoint for your users.

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Fast SMTP
Zero Latency
GDPR Ready
Simple API

Why Go2Auth?

Built for security, engineered for speed.

Zero-Bloat Engine

No heavy SDKs or external dependencies. Our ultra-lightweight Go backend and widget ensure authentication adds zero overhead.

Reliable Delivery

Built on a custom-optimized SMTP infrastructure, we ensure your OTP codes arrive instantly, bypassing common spam filters.

Privacy by Design

No personal data retention. We use one-way hashing for email verification, ensuring full GDPR compliance by default.

Integration in seconds

Use our simple API to authenticate users securely.

Login Request

Redirect to the LOGIN

<a href="https://go2auth.com/auth/login?pk=PUBLIC_API_KEY">Login<a>
Logout Request

Redirect to the LOGOUT

<a href="https://go2auth.com/auth/logout?pk=PUBLIC_API_KEY">Logout<a>
Secret Key

Secret key for WEBHOOKS

SECRET_API_KEY

Simple, Transparent Pricing

Everything you need, with no complex tiers to worry about.

Pro Access

$6/ mo
Simple & Fixed

No hidden costs or complex tiers – just the key difference from the Free tier:

  • 1,500/mo webhooks
  • Unlimited webhooks
  • All 26 interface languages included
  • Custom brand for UI and emails
Upgrade Now

Cancel Subscription

Are you sure you want to cancel your subscription? If you cancel now, you can still use all Pro features the end of your billing cycle.

Active until the end of your billing cycleYour Pro features and current plan will remain fully active until your current billing period ends. You won't lose access immediately. After cancellation, your account will be moved to the Free plan (with standard limits, e.g., 1,500 requests/month).

Re-new secret key for Webhooks

Are you sure you want to renew the secret key? This action will immediately overwrite your current secret key with a new one.

What happens next?Future webhooks sent to your endpoint will be signed using the new key. Any ongoing or future X-Signature verification using your old key will fail.

Authenticator Settings