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Clerk is a complete authentication and user management platform for React, Next.js, and modern JavaScript frameworks. Provides pre-built UI components for sign-in, sign-up, and user profiles with social login, passwordless auth, MFA, and organization management. Features session management, JWT tokens, webhook events, and role-based access control. Handles millions of authentications monthly with a generous free tier of 10,000 monthly active users.
Clerk is a modern auth platform built for React, Next.js, Remix, and JavaScript frameworks with complete pre-built UI components handling the entire authentication flow.
Supports social login with 30+ providers, passwordless via magic links, multi-factor authentication, organization management with roles, SAML SSO, and domain verification.
Adding auth requires minimal code. Webhook events enable real-time reactions. Free tier includes 10K MAU, paid plans from $25/month.
Free (10K MAU) / Pro $25/mo / Enterprise custom
React, Next.js, Remix, JavaScript
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