curl --request GET \
  --url https://api-{region}-{cluster}.benchmarkemail.com/api/email/template \
  --header 'X-API-Key: <api-key>'

{
  "records": [
    {
      "attributeIds": [
        "<string>"
      ],
      "id": "<string>",
      "imageUrl": "<string>",
      "lang": "<string>",
      "name": "<string>",
      "order": 2,
      "subject": "<string>",
      "unlayerId": "<string>"
    }
  ],
  "total": 123
}