curl --request GET \
  --url https://openapi.enginy.ai/v1/ai-variables/folders/contacts/{folderId} \
  --header 'x-api-key: <api-key>'

{
  "message": "<string>",
  "data": {
    "id": 123,
    "name": "<string>",
    "parentId": 123,
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "aiVariablesCount": 123,
    "subfoldersCount": 123,
    "children": [
      {
        "id": 123,
        "name": "<string>",
        "parentId": 123,
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z",
        "aiVariablesCount": 123,
        "subfoldersCount": 123
      }
    ],
    "parent": {
      "id": 123,
      "name": "<string>"
    },
    "aiVariables": [
      {
        "id": 123,
        "name": "<string>",
        "prompt": "<string>",
        "model": "<string>",
        "outputSchema": {
          "values": [
            "<string>"
          ],
          "provideExplanation": true,
          "jsonSchema": "<string>"
        },
        "search": true,
        "folderId": 123,
        "customWebsiteField": "<string>",
        "description": "<string>",
        "isPublic": true,
        "archivedAt": "2023-11-07T05:31:56Z",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ],
    "ancestors": [
      {
        "id": 123,
        "name": "<string>",
        "parentId": 123
      }
    ],
    "totalSubfoldersCount": 123,
    "totalAiVariablesCount": 123
  }
}