New Ahrefs v3 API: We have upgraded to the new Ahrefs API on 18th October. All customers will need to re-authenticate the Ahrefs integration after the upgrade. Here is a blog post on the migration
Go ahead and purchase the plan you want to upgrade or downgrade to and purchase it. When done, email us at support@domcop.com and we will cancel the old subscription and give a pro-rated refund for it