I am not sure if this is possible with PayPal REST API, which is the one used by Omnipay (BankPipe's framework). I will see if this is feasible and get back at you.
BankPipe uses the
Payments API which does not have such feature. I'm sorry this cannot make it in BankPipe.
So it has to be made with this?
https://developer.paypal.com/docs/checkout/integrate/
I tried the debug store on that website and it also collects addresses, so it is mandatory to have a shipping address.