Trusted by 50,000+ applications

Authentication & user management for modern apps

Drop-in UI components, flexible APIs, and admin dashboards to authenticate and manage your users. Works with any framework.

Powering authentication for

Vercel Supabase Notion Stripe Linear Loom

Beautiful auth, out of the box

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// Add auth in 5 minutes
app/layout.tsx
import { AuthProvider } from '@authkit/nextjs'

export default function RootLayout({
  children,
}: {
  children: React.ReactNode
}) {
  return (
    <AuthProvider>
      {children}
    </AuthProvider>
  )
}
middleware.ts
import { authMiddleware } from '@authkit/nextjs/server'

export default authMiddleware()

export const config = {
  matcher: ['/((?!.*\\..*|_next).*)', '/'],
}

Works with every framework

Next.js React Remix Astro Express Ruby on Rails

Everything for modern auth

User Management

Complete user profiles, metadata, sessions, and multi-factor authentication. Built-in admin dashboard to manage all your users.

Organizations

Multi-tenant support with roles, permissions, and invitations out of the box.

Security

Bot detection, brute-force protection, and device fingerprinting built in.

Webhooks

React to auth events in real time with webhooks and event subscriptions.

Billing

Stripe-powered billing, subscription management, and usage-based pricing.

Developers love AuthKit

"Implemented auth in our Next.js app in under an hour. The DX is unmatched."

DL
Daniel Lee
Full-Stack Developer

"The organizations feature saved us months of development. B2B auth is hard -- AuthKit makes it easy."

TN
Tom Nguyen
CTO, SaaSCo

Ship auth today,
not next quarter

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