I had to look into how to require a customer phone number using PayPal Express Checkout recently and just found the process to be a pain. Since I don’t work in the PayPal setups/development screens often, I was hoping to just search google and find the answer. It didn’t work out so easily.
Well, I eventually found out how to make the phone number a required field in PayPal Express Checkout. These are the steps:
Login => goto My Account => select Profile =>
select “See the classic Profile version” (the new stuff is garbage)
Select “Website Payment Preferences” under Selling Preferences
Select radio button “On (Required Field)” under Contact Telephone Number
That’s it. That’s how you can either require or set optional a contact telephone number in your Paypal Express Checkout account.
As a reference, and after far too long searching, I found the documentation on a seemingly obscure developer document at: https://www.x.com/docs/DOC-1367. You’ll find the instructions (the same as I gave) under the heading “Require a Contact Phone Number”.