curl --request GET \
  --url https://realtime-api.voiceflow.com/v1alpha1/project/{projectID}/environments \
  --header 'authorization: <api-key>'

{
  "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>"
      ]
    }
  ]
}