curl --request POST \
  --url https://realtime-api.voiceflow.com/v1alpha1/project/{projectID}/environment \
  --header 'Content-Type: application/json' \
  --header 'authorization: <api-key>' \
  --data '
{
  "name": "<string>",
  "alias": "<string>",
  "cloneFromEnvironmentID": "<string>"
}
'

{
  "data": {
    "id": "<string>",
    "name": "<string>",
    "alias": "<string>",
    "isMain": true,
    "releases": [
      {
        "name": "<string>",
        "backupID": 123,
        "createdAt": "<string>",
        "versionID": "<string>",
        "description": "<string>",
        "autogenerated": true,
        "createdByUserID": 123
      }
    ],
    "createdAt": "<string>",
    "draftVersionID": "<string>",
    "createdByUserID": 123,
    "trafficPercentage": 50,
    "nextReleaseNumber": 123,
    "publishedVersionID": "<string>",
    "draftVersionIDsHistory": [
      "<string>"
    ]
  }
}