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

# Books overview for integrators

> Understand accounting modules, subsidiaries, and API layout for Fluide Books.

# Books overview for integrators

Understand accounting modules, subsidiaries, and API layout for Fluide Books.

<Note>
  Include acting-client headers on product API calls: `X-Workspace-Id` and `X-Acting-Company-Id`. See [Act as a client](/guides/service-partner/act-as-client).
</Note>

## Prerequisites

* API credentials

Required permissions: `books:read`.

## Steps

<Steps>
  <Step title="Verify connectivity">
    ```bash theme={null}
    curl -sS "$FLUIDE_BASE_URL/api/v1/chart-of-accounts" \
      -H "Authorization: Bearer $FLUIDE_ACCESS_TOKEN" \
      -H "X-Fluide-Api-Key: $FLUIDE_API_KEY" \
      -H "X-Fluide-Client-Id: fluide-developer" \
      -H "X-Workspace-Id: $FLUIDE_WORKSPACE_ID" \
      -H "X-Acting-Company-Id: $FLUIDE_COMPANY_ID"
    ```
  </Step>
</Steps>

## Tips

* Books routes use `/api/v1/*` without a product prefix.

## Related

<CardGroup cols={2}>
  <Card title="chart of accounts" href="/guides/books/chart-of-accounts" />
</CardGroup>