curl --request POST \
  --url https://api.vambe.me/api/public/email-channel \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "domain": "<string>",
  "sender_address": "jsmith@example.com",
  "sender_name": "<string>"
}
'

{
  "id": "<string>",
  "sender_address": "<string>",
  "sender_name": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "email_domain": {
    "id": "<string>",
    "domain": "<string>",
    "dns_records": [
      {
        "id": "<string>",
        "host": "<string>",
        "data": "<string>",
        "valid": true
      }
    ],
    "planned_inbound_mx": {
      "host": "<string>",
      "data": "<string>"
    },
    "subdomain_slug": "<string>"
  }
}