> ## Documentation Index
> Fetch the complete documentation index at: https://stytch.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Stytch UI

> How to build a log in and sign up flow for your app using the Stytch UI components included in the frontend SDK.

Stytch UI gives you pre-built login and signup components backed by the Consumer Frontend SDKs. Configure auth methods, customize styling, and ship a production-ready login experience quickly.

## Get started

<Columns cols={2}>
  <Card title="Add login or signup" icon="log-in" href="/consumer-auth/build-auth/login-or-signup">
    Step-by-step guide to add Stytch UI to your app.
  </Card>

  <Card title="Customize Stytch UI" icon="paintbrush" href="/consumer-auth/build-auth/theming">
    Theme and customize the pre-built UI components.
  </Card>

  <Card title="UI configuration" icon="settings" href="/api-reference/consumer/frontend-sdks/vanilla-js/prebuilt-ui/login/configuration">
    Full UI config reference for Stytch Login.
  </Card>

  <Card title="Example apps" icon="github" href="/get-started/example-apps">
    Explore sample implementations.
  </Card>
</Columns>

<Info>
  Stytch SDKs and UI are hosted by your application.
</Info>

## What's next

See [Integration options](/consumer-auth/build-auth/custom/integration-options) to compare pre-built UI, headless SDK, and backend integration approaches.