Clerk TanStack Start SDK

The Clerk TanStack Start SDK is built on top of the React SDK and is the recommended method for integrating Clerk into your TanStack Start application.

Guides

• Read session and user data
• Add custom sign up and sign in pages

Client-side helpers

The TanStack Start SDK is a wrapper around Clerk React, so you can use the hooks that Clerk React provides. These hooks give you access to the Clerk object, and a set of useful helper methods for signing in and signing up. Learn more in the React SDK reference.

• useUser()⁠
• useClerk()⁠
• useAuth()⁠
• useSignIn()⁠
• useSignUp()⁠
• useSession()⁠
• useSessionList()⁠
• useOrganization()⁠
• useOrganizationList()⁠

Server-side helpers

The following references show how to integrate Clerk features into applications using TanStack Start server functions and API routes.

• getAuth()

Auth object

The getAuth() returns an Auth object. This JavaScript object contains important information like session data, your user's ID, as well as their organization ID. Learn more about the Auth object here.