I'd like to fully integrate the PayPal Here App with my php/MySQL booking system. Web payments work fine via IPN, card payments via PayPal here are OK via IPN (and invoice search for item detail) but cash sales elude me. I can get transaction detail using the invoice number from https://api.paypal.com/v1/invoicing/invoices/INV2-AB1C-DE2F-G8Y7-6ENF but cash invoice numbers don't appear in a search using https://api.paypal.com/v1/invoicing/invoices/
A .csv with all PayPal Here transaction including invoice numbers is available through the App but I need this info instantly at Point of Sale.
My preferred solution would be an IPN opt-in for cash sales. AS they are non-balance affecting transactions I appreciate not every user would want IPNs for cash sales.
