curl --request GET \
  --url https://api.hubapi.com/content/api/v2/blogs/{blog_id}/versions \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": 123,
    "object": {
      "id": 123,
      "portal_id": 123,
      "name": "<string>",
      "label": "<string>",
      "public_title": "<string>",
      "html_title": "<string>",
      "description": "<string>",
      "slug": "<string>",
      "root_url": "<string>",
      "absolute_url": "<string>",
      "url_base": "<string>",
      "domain": "<string>",
      "resolved_domain": "<string>",
      "live_domain": "<string>",
      "domain_when_published": "<string>",
      "created": 123,
      "created_date_time": 123,
      "updated": 123,
      "updated_date_time": 123,
      "deleted_at": 123,
      "allow_comments": true,
      "comment_moderation": true,
      "comment_should_create_contact": true,
      "comment_verification_text": "<string>",
      "comment_date_format": "<string>",
      "comment_form_guid": "<string>",
      "comment_max_thread_depth": 123,
      "comment_notification_emails": [
        "<string>"
      ],
      "close_comments_older": 123,
      "captcha_always": true,
      "captcha_after_days": 123,
      "posts_per_listing_page": 123,
      "posts_per_rss_feed": 123,
      "show_summary_in_listing": true,
      "show_summary_in_emails": true,
      "show_summary_in_rss": true,
      "use_featured_image_in_summary": true,
      "show_social_link_twitter": true,
      "show_social_link_facebook": true,
      "show_social_link_linkedin": true,
      "social_account_twitter": "<string>",
      "enable_social_auto_publishing": true,
      "html_head": "<string>",
      "html_head_is_shared": true,
      "post_html_head": "<string>",
      "html_footer": "<string>",
      "html_footer_is_shared": true,
      "post_html_footer": "<string>",
      "html_keywords": [
        "<string>"
      ],
      "attached_stylesheets": [
        "<string>"
      ],
      "item_layout_id": 123,
      "item_template_path": "<string>",
      "item_template_is_shared": true,
      "listing_layout_id": 123,
      "listing_template_path": "<string>",
      "uses_default_template": true,
      "default_group_style_id": "<string>",
      "category_id": 123,
      "cos_object_type": "<string>",
      "analytics_page_id": 123,
      "subscription_form_guid": "<string>",
      "subscription_contacts_property": "<string>",
      "subscription_lists_by_type": {
        "instant": 123,
        "daily": 123,
        "weekly": 123,
        "monthly": 123
      },
      "email_api_subscription_id": 123,
      "instant_notification_email_id": "<string>",
      "daily_notification_email_id": "<string>",
      "weekly_notification_email_id": "<string>",
      "monthly_notification_email_id": "<string>",
      "default_notification_from_name": "<string>",
      "default_notification_reply_to": "<string>",
      "publish_date_format": "<string>",
      "month_filter_format": "<string>",
      "url_segments": {
        "all": "<string>",
        "archive": "<string>",
        "author": "<string>",
        "page": "<string>",
        "tag": "<string>"
      },
      "public_access_rules": [
        {}
      ],
      "public_access_rules_enabled": true,
      "enable_google_amp_output": true,
      "amp_header_color": "<string>",
      "amp_header_background_color": "<string>",
      "amp_header_font": "<string>",
      "amp_header_font_size": "<string>",
      "amp_body_color": "<string>",
      "amp_body_font": "<string>",
      "amp_body_font_size": "<string>",
      "amp_link_color": "<string>",
      "amp_logo_src": "<string>",
      "amp_logo_alt": "<string>",
      "amp_logo_width": 123,
      "amp_logo_height": 123,
      "amp_custom_css": "<string>"
    },
    "updated_at": 123,
    "user": {
      "id": 123,
      "email": "<string>",
      "username": "<string>",
      "full_name": "<string>"
    }
  }
]