curl --request GET \
  --url https://api.pictify.io/templates/{uid}/variables \
  --header 'Authorization: Bearer <token>'

{
  "templateUid": "<string>",
  "templateName": "<string>",
  "variables": [
    {
      "name": "<string>",
      "type": "text",
      "defaultValue": "<string>",
      "description": "<string>",
      "validation": {
        "required": true,
        "minLength": 123,
        "maxLength": 123
      }
    }
  ]
}