Getting Started

Get401 is a GDPR-first authentication service hosted in the EU. No vendor lock-in, no data leaving Europe. Free up to 10,000 MAU.

Install the SDK

npm install get401

Create your account

Sign up at app.get401.com and create a new project. You'll get an App ID to use in your application.

Choose your SDK

SDK Use when
React SDK You're building a React app
JavaScript SDK Any other framework or plain JS/TS

What's included

  • Email + password authentication
  • OTP / MFA support
  • Email verification on signup
  • Session management with auto token refresh
  • Full TypeScript types
  • EU data residency, GDPR compliant

No credit card required. Free tier includes 10,000 monthly active users.

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