Confluence tracks the history of changes to each page or attachment by creating a new version of the page or attachment each time it's modified. Over the time version history might go beyond than expected due to changes by users. You can purge page versions by keeping last few versions using this plugin either automatically or on-demand basis.

Use Case:

• Help to keep Confluence database compact minimal migration efforts and down time by purging older versions (e.g. older than 3 months) and keeping minimum number of latest versions.
• Helps alert notifications for the last modified page author that, page has exceeded version history and steps to purge. We can accomplish letting content owners clean the history.

Documentation Link

• Helps to skip commented versions purge.
• Alert Notifications.
• Provides Purge versions REST API

• Below simple light weight plugin might help you to avoid page versions for the updates through API automation:
  • Space Fields
  • Page Fields
• OWASP Security Verified.