I’m been told to visit this site for my card verification anytime I try to fix it in my account
how do I verify my payment method
Question marked as
Did you check, if all information for your payment method is correct?
If you need to change or update your Apple ID payment method - Apple Support
Also have look at this article:
If your payment method is declined in the App Store or iTunes Store - Apple Support
If this does not work, use this link as a start, to contact the official Apple Support. Only they can look into your personal data, to find the issue: