curl --request GET \
  --url https://api.example.com/api/apps/beta/apps/{appId}/versions/{versionId}/instances \
  --header 'X-Domino-Api-Key: <api-key>'

{
  "items": [
    {
      "createdAt": 123,
      "id": "<string>",
      "status": "<string>",
      "describeUrl": "<string>"
    }
  ],
  "metadata": {
    "notices": [
      "<string>"
    ],
    "requestId": "<string>",
    "limit": 123,
    "offset": 123,
    "totalCount": 123
  }
}