How old you have to be to receive Apple Cash
I want to send my son money
Question marked as
See the following from Send and receive money with Apple Cash - Apple Support
To send and receive money with Apple Cash, you must be at least 18 years old and a resident of the United States. If you're under 18 years old in the United States, your family organizer can set up Apple Cash for you as part of Apple Cash Family. Then, you can send and receive money with Apple Cash.
Also see: Set up and use Apple Cash Family - Apple Support