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

# Send Invoice

> Reserved endpoint for invoice delivery workflows (currently returns 501).

## Method

`POST` `/v1/billing/invoices/:invoiceId/send`

## Path Parameters

<ParamField path="invoiceId" type="uuid" required>Invoice identifier.</ParamField>

## Headers

<ParamField header="Authorization" type="string">Bearer token with `billing:write` scope.</ParamField>
<ParamField header="content-type" type="string">`application/json`</ParamField>

## Request Example

<RequestExample>
  ```bash cURL theme={null}
  curl -X POST https://api.voyantcloud.com/v1/billing/invoices/4a9a807e-5c7c-4f57-8e6d-2c6f1b1c5d10/send \
    -H "Authorization: Bearer $VOYANT_API_KEY"
  ```

  ```javascript Node.js theme={null}
  await fetch("https://api.voyantcloud.com/v1/billing/invoices/4a9a807e-5c7c-4f57-8e6d-2c6f1b1c5d10/send", {
    method: "POST",
    headers: { Authorization: `Bearer ${process.env.VOYANT_API_KEY}` },
  })
  ```

  ```python Python theme={null}
  import os, requests

  requests.post(
    "https://api.voyantcloud.com/v1/billing/invoices/4a9a807e-5c7c-4f57-8e6d-2c6f1b1c5d10/send",
    headers={"Authorization": f"Bearer {os.environ['VOYANT_API_KEY']}"},
  )
  ```
</RequestExample>

## Response

<ResponseExample>
  ```json 501 Not Implemented theme={null}
  { "error": "Not implemented" }
  ```
</ResponseExample>

<Note>The endpoint is reserved for a future workflow that will dispatch invoices via email and update delivery status. For now, call your accounting provider directly after creating the invoice.</Note>