> ## 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.

# Create Email Domain

> Create an email domain configuration for sending.

## Method

`POST` `/v1/comms/email-domains`

## Body Parameters

<ParamField path="domainId" type="uuid" required>Managed domain identifier</ParamField>
<ParamField path="returnPathDomain" type="string">Return-path/bounce domain</ParamField>
<ParamField path="trackingDomain" type="string">Click/open tracking domain</ParamField>
<ParamField path="dmarcPolicy" type="string">DMARC policy (e.g., `none`, `quarantine`, `reject`)</ParamField>

## Headers

<ParamField header="Authorization" type="string" required>Bearer token (e.g. <code>Authorization: Bearer YOUR\_API\_KEY</code>)</ParamField>
<ParamField header="content-type" type="string">application/json</ParamField>

## Request Example

<RequestExample>
  <CodeGroup>
    ```bash cURL theme={null}
    curl -X POST https://api.voyantcloud.com/v1/comms/email-domains \
      -H "Authorization: Bearer YOUR_API_KEY" \
      -H "content-type: application/json" \
      -d '{
        "domainId": "0d85c2d7-1111-2222-3333-abcdefabcdef",
        "returnPathDomain": "bounces.example.com",
        "trackingDomain": "trk.example.com",
        "dmarcPolicy": "quarantine"
      }'
    ```

    ```javascript Node.js theme={null}
    await fetch("https://api.voyantcloud.com/v1/comms/email-domains", {
      method: "POST",
      headers: { Authorization: `Bearer ${process.env.VOYANT_API_KEY}`, "content-type": "application/json" },
      body: JSON.stringify({ domainId: "0d85c2d7-1111-2222-3333-abcdefabcdef" }),
    })
    ```

    ```python Python theme={null}
    import os, requests
    requests.post(
      "https://api.voyantcloud.com/v1/comms/email-domains",
      headers={"Authorization": f"Bearer {os.environ['VOYANT_API_KEY']}", "content-type": "application/json"},
      json={"domainId": "0d85c2d7-1111-2222-3333-abcdefabcdef"},
    )
    ```
  </CodeGroup>
</RequestExample>

## Response

<ResponseExample>
  ```json 201 Created theme={null}
  {
    "id": "emd_123",
    "domainId": "0d85c2d7-1111-2222-3333-abcdefabcdef",
    "provider": null,
    "returnPathDomain": null,
    "trackingDomain": null,
    "dmarcPolicy": null
  }
  ```
</ResponseExample>