Clerk
Clerk is a comprehensive user management platform designed to streamline authentication and user administration for modern applications. It offers a complete suite of embeddable UI components, flexible APIs, and robust admin dashboards, enabling businesses to manage users efficiently and securely. Clerk is trusted by fast-growing companies worldwide for its reliability and ease of integration.
Developers can quickly embed pixel-perfect authentication UIs such as <SignIn/>, <SignUp/>, <UserButton/>, and <UserProfile/> into their applications, fully customizable to match any brand. Clerk supports seamless integration with popular frameworks including Next.js, Remix, React, Astro, Expo, and iOS, ensuring a smooth developer experience across web and mobile platforms.
- Multifactor authentication with self-serve settings
- Fraud and abuse prevention, including disposable email blocking and bot detection
- Advanced security with SOC 2 Type 2 certification and CCPA compliance
- Comprehensive session management with device monitoring and session revocation
- Social sign-on with 20+ providers
- Email and SMS one-time passcodes, magic links, and secure password authentication
- Integrations with leading tools such as Supabase, Convex, and Firebase
- B2B SaaS suite for multi-tenancy, including custom roles, permissions, auto-join, invitations, and organization management UI components
Clerk is designed to keep up with evolving authentication requirements and security best practices, making it an ideal solution for startups and enterprises alike. Its focus on developer velocity and enterprise extensibility ensures that businesses can implement secure, scalable user management in a fraction of the time required by traditional solutions.
Included in the Free Tier
- No credit card required to start
- 10,000 monthly active users included
- No charge for users who sign up but never return
- Pre-built authentication components included
- Custom domain support included
- 100 monthly active organizations included
- Up to 5 members per organization
- Invitation flows and basic roles for organizations included
- 3 dashboard seats included
- Up to 3 social connections per application
- Usernames and passwords supported
- Email code and magic link authentication included
- Sign in tokens and Web3 wallet authentication included
- Automatic account linking across sign-in methods
- User metadata storage included
- Webhooks for user data sync included
- Account lockout and brute-force protection included
- Bot and abuse protection included
- Block email subaddresses and disposable email addresses
- Require invitations for user access
- Custom session tokens and JWT templates included
- Session duration fixed to 7 days
- Full data exports available
- Community support via Discord
- Email support for billing, registration, and abuse queries
- GDPR and DPA compliance included
Visit the Clerk Pricing Page for more information on its free tier offering.