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

# Using Flows APIs

> Look up authentication helpers and the Vite plugin surface for building and shipping Flows custom apps on Cognite Data Fusion (CDF).

Use these references when you wire **Flows** into your React app or build tooling.

<CardGroup cols={2}>
  <Card title="Auth API" icon="key" href="/cdf/flows/reference/api/auth">
    connectToHostApp, HostAppAPI, and host communication helpers.
  </Card>

  <Card title="Vite plugin API" icon="plug" href="/cdf/flows/reference/api/vite">
    fusionOpenPlugin and CDF development URLs.
  </Card>

  <Card title="Content Security Policy" icon="shield-halved" href="/cdf/flows/reference/api/csp">
    Production CSP baseline and how to extend it via manifest.json.
  </Card>
</CardGroup>