I can’t add money to my Apple ID balance
What happens when you try? Error message(s)? Are you a member of Family Sharing? Are you using the steps in the article below?
Apple ID - Add funds to your ID
An alternative is to buy/redeem Apple Gift cards to the account.
As the message shows, contact iTunes Support for assistance. See the Apple Support articles below for contact information.
Apple Support schedule phone call
If necessary, try Twitter
I am having the same problem. When I try to add funds with my credit card it says Can’t complete transaction contact iTunes support
I can’t add money my Apple ID balance
