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Find all the guides and resources
you need to develop with Clerk.

Clerk components

Quickstarts & Tutorials

Explore our end-to-end tutorials and getting started guides for different application stacks using Clerk.

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UI Components

Clerk's pre-built UI components give you a beautiful, fully-functional user management experience in minutes.

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API Reference

Dig into our API reference documentation and SDKs. We have everything you need to get started setting up authentication with Clerk.

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Account security is the top concern of every feature we build. This documentation lists some of the many protections included with Clerk.

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Explore by Frontend Framework

Learn the concepts

What is Clerk authentication?

Clerk offers multiple authentication strategies to identify legitimate users of your appication, and to allow them to make authenticated requests to your backend.

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What is the "User" object?

The User object contains all account information that describes a user of your app in Clerk. Users can authenticate and manage their accounts, update their personal and contact info, or set up security features for their accounts.

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How do organizations work?

Organizations allow members to collaborate across shared resources. Each member of an organization needs to have a user account in your application. All organization members have access to most of the organization resources, but some members can take advantage of administrative features.

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