How do i set up Apple Pay for my teenage daughter
How do I set up Apple Pay and card for teenage daughter
Question marked as
You can use regular Apple Pay once you are 13 - Set up Apple Pay - Apple Support
If it is telling you that that ID cannot be used with Apple Pay then you need to sign out of that ID and back in. If hat does not work go here - Apple ID - Official Apple Support
and here - Apple Pay Customers