curl --request POST \
  --url https://api.transmit.dev/v1/emails/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "from": "<string>",
    "to": "[email protected]",
    "from_name": "<string>",
    "reply_to": "[email protected]",
    "cc": "[email protected]",
    "bcc": "[email protected]",
    "subject": "<string>",
    "html": "<string>",
    "text": "<string>",
    "template_id": "<string>",
    "template_friendly_name": "<string>",
    "variables": {},
    "tags": [
      "<string>"
    ],
    "headers": {},
    "attachments": [
      {
        "filename": "<string>",
        "content": "<string>",
        "type": "<string>",
        "disposition": "attachment",
        "contentId": "<string>"
      }
    ],
    "scheduled_for": "2023-11-07T05:31:56Z",
    "batch_id": "<string>",
    "message_stream": "transactional",
    "track_opens": true,
    "track_clicks": true
  }
]
'

{
  "data": [
    {
      "id": "<string>"
    }
  ]
}