curl --request GET \
  --url https://api.heymilo.ai/api/v2/email-templates/{template_id} \
  --header 'X-API-KEY: <api-key>'

{
  "data": {
    "id": "<string>",
    "template_key": "<string>",
    "name": "<string>",
    "subject": "<string>",
    "content": "<string>",
    "created_at": 123,
    "updated_at": 123,
    "object": "email_template",
    "blackout_period": {
      "enabled": true,
      "timezone": "<string>",
      "start_hour": 123,
      "end_hour": 123
    }
  },
  "meta": {}
}