Clerk

The product is a user management and authentication platform that handles sign-up, sign-in, profile and security settings, organization membership, and subscription billing for web and mobile applications. It is built for developers and engineering teams at startups and B2B software companies that need to add identity, multi-tenancy, and access control without building it in-house. It is delivered as a SaaS API with SDKs and drop-in React components that embed into the application's own domain and integrate with existing tools.

Key features

• User authentication with SignUp and SignIn
• Multifactor authentication enforcement
• Drop-in UI components for auth
• User profile and security management
• Organization creation and switching
• Organization member and invitation management
• Verified domain organization joining
• Role and permission management
• Billing and pricing table display
• Subscription and plan management
• Audit trail of configuration changes
• SDKs for modern frameworks
• Integrations with Supabase and Convex