curl --request GET \
  --url https://api.hubapi.com/marketing-emails/v1/emails/{id}/versions \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": 123,
    "object": {
      "ab": true,
      "abHoursToWait": 123,
      "abTestPercentage": 123,
      "abVariation": true,
      "absoluteUrl": "<string>",
      "allEmailCampaignIds": [
        123
      ],
      "analyticsPageId": "<string>",
      "analyticsPageType": "<string>",
      "archived": true,
      "author": "<string>",
      "authorAt": 123,
      "authorEmail": "<string>",
      "authorName": "<string>",
      "authorUserId": 123,
      "campaign": "<string>",
      "campaignName": "<string>",
      "campaignUtm": "<string>",
      "canSpamSettingsId": 123,
      "categoryId": 123,
      "contentTypeCategory": 123,
      "created": 123,
      "createdById": 123,
      "currentState": "<string>",
      "currentlyPublished": true,
      "domain": "<string>",
      "emailBody": "<string>",
      "emailNote": "<string>",
      "emailTemplateMode": "<string>",
      "emailType": "<string>",
      "emailbodyPlaintext": "<string>",
      "freezeDate": 123,
      "fromName": "<string>",
      "htmlTitle": "<string>",
      "id": 123,
      "isGraymailSuppressionEnabled": true,
      "isLocalTimezoneeSend": true,
      "isPublished": true,
      "isRecipientFatigueSuppressionEnabled": true,
      "lastEditSessionId": 123,
      "lastEditUpdateId": 123,
      "layoutSections": {},
      "leadFlowId": 123,
      "liveDomain": "<string>",
      "mailingListsExcluded": [
        123
      ],
      "mailingListsIncluded": [
        123
      ],
      "maxRssEntries": 123,
      "metaDescription": "<string>",
      "name": "<string>",
      "pageExpiryEnabled": true,
      "pageRedirected": true,
      "portalId": 123,
      "previewKey": "<string>",
      "processingStatus": "<string>",
      "publishDate": 123,
      "publishImmediately": true,
      "publishedUrl": "<string>",
      "replyTo": "<string>",
      "resolvedDomain": "<string>",
      "rssEmailByText": "<string>",
      "rssEmailClickThroughText": "<string>",
      "rssEmailCommentText": "<string>",
      "rssEmailEntryTemplateEnabled": true,
      "rssEmailImageMaxWidth": 123,
      "rssEmailUrl": "<string>",
      "slug": "<string>",
      "smartEmailFields": {},
      "state": "<string>",
      "styleSettings": {},
      "subcategory": "<string>",
      "subject": "<string>",
      "subscription": 123,
      "subscriptionName": "<string>",
      "teamPerms": [
        "<string>"
      ],
      "templatePath": "<string>",
      "transactional": true,
      "unpublishedAt": 123,
      "updated": 123,
      "updatedById": 123,
      "url": "<string>",
      "useRssHeadlineAsSubject": true,
      "userPerms": [
        "<string>"
      ],
      "vidsExcluded": [
        123
      ],
      "vidsIncluded": [
        123
      ],
      "widgets": {}
    },
    "updatedAt": 123,
    "user": {
      "email": "<string>",
      "fullName": "<string>",
      "id": 123,
      "username": "<string>"
    }
  }
]