Unable to verify payment method on Apple Account
My payment information is not verified yet
[Re-Titled by Moderator]
iPhone 13 Pro Max, iOS 18
Did you check, if your payment method can be used?
Payment methods that you can use with your Apple Account - Apple Support
Did you already contact the official Apple Support about that? Only they can look into your personal details to find the issue.
You can use this online link as a start: