> ## 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.

# Invoice to cash collection

> Books invoice → Pay payment link → record payment.

# Invoice to cash collection

Books invoice → Pay payment link → record payment.

<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 — [Authorization](/getting-started/authorization)

## Steps

<Steps>
  <Step title="Create invoice">
    [Create an invoice](/guides/books/create-invoice).
  </Step>

  <Step title="Collect payment">
    [Payment link](/guides/pay/create-payment-link) or [record payment](/guides/books/record-invoice-payment).
  </Step>
</Steps>