When a purchase can't safely be connected to an account (see the section called “How Paddle Customers Become Joomla Users”), the customer is emailed a single-use link to this page, valid for 48 hours. After logging in to the account that should own the purchase, they see which Paddle customer the link is for, The Paddle customer is … with the email address the link was sent to, then You are about to connect this Paddle customer to the Joomla account …, and confirm with Claim this Paddle customer. The two email addresses don't need to match: the link proves they control the Paddle email, and logging in proves they own the account.

If they are logged in to a different account from the one PaddleSubs matched the customer to, the page warns that the purchases will belong to the account they are logged in to, and the claim only goes ahead once they tick Yes, connect this Paddle customer to the account I am logged into. This allows someone to keep their purchases on another account of their own, while a forwarded email doesn't move a customer to another account unnoticed. A link that has expired or been used says so instead.