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

# Form Filling SDK API Reference

> Browse Form filling SDK reference pages for FormFillingClient, React bindings, events, error codes, and result payloads

This section documents the Form filling SDK APIs for JavaScript and React integrations.

Refer to the cards below for constructor and `start()` options, React bindings, events, error codes, and result payloads.

<CardGroup cols={2}>
  <Card title="FormFillingClient" icon="cube" href="/form-filling-sdk/api-reference/form-filling-client" arrow={true}>
    Create the client, start a session, and use the React provider and components to open Form filling in your app.
  </Card>

  <Card title="Events" icon="bolt" href="/form-filling-sdk/api-reference/events" arrow={true}>
    Listen for session lifecycle changes, handle errors, and read the structured data your app receives after processing.
  </Card>
</CardGroup>