curl --request GET \
  --url https://api.kit.com/v4/email_templates \
  --header 'X-Kit-Api-Key: <api-key>'

{
  "email_templates": [
    {
      "id": 123,
      "name": "<string>",
      "is_default": true,
      "category": "<string>"
    }
  ],
  "pagination": {
    "has_previous_page": true,
    "has_next_page": true,
    "start_cursor": "<string>",
    "end_cursor": "<string>",
    "per_page": 123
  }
}