How to validate data existence on PayPal side

[DWdeveloper]

Hello, we are passing a customer's email address and phone number in the order creation call for the following payment sources: credit_card, paypal, apple_pay, venmo, and p24.  https://developer.paypal.com/docs/api/orders/v2/#orders_create

So, our question here is: How can we validate that the customer's email address and phone number were correctly passed to the PayPal side?