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Build your own sign-up page for your React Router app with Clerk

By default, the <SignIn /> component handles signing-in or signing-up, but if you'd like to have a dedicated sign-up page, this guide shows you how to use the <SignUp /> component with the React Router Splat route in order to build custom sign-up page for your React Router app.

If the prebuilt components don't meet your specific needs or if you require more control over the logic, you can rebuild the existing Clerk flows using the Clerk API. For more information, see the custom flow guides.

Build a sign-up page

The following example demonstrates how to render the <SignUp /> component.

app/routes/sign-up.tsx
import { SignUp } from '@clerk/react-router'

export default function SignUpPage() {
  return (
    <div>
      <h1>Sign up route</h1>
      <SignUp />
    </div>
  )
}

Configure routes

React Router expects you to define routes in app/routes.ts. Add the previously created sign-up page to your route configuration.

app/routes.ts
import { type RouteConfig, index, route } from '@react-router/dev/routes'

export default [
  index('routes/home.tsx'),
  route('sign-in/*', 'routes/sign-in.tsx'),
  route('sign-up/*', 'routes/sign-up.tsx'),
] satisfies RouteConfig

Configure redirect behavior

Update your environment variables to point to your custom sign-up page. Learn more about the available environment variables.

.env
CLERK_SIGN_IN_FALLBACK_REDIRECT_URL=/
CLERK_SIGN_UP_FALLBACK_REDIRECT_URL=/
CLERK_SIGN_IN_URL=/sign-in
CLERK_SIGN_UP_URL=/sign-up

These values control the behavior of the <SignUp /> and <SignIn /> components and when you visit the respective links at the bottom of each component.

Visit your new page

Run your project with the following command:

terminal
npm run dev
terminal
yarn dev
terminal
pnpm dev

Visit your new custom page locally at localhost:5173/sign-up.

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