Hi Chiranjeevi, Thanks for your response. I've spent more time on this, and had it working, using the solution I found here. Unfortunately, as well as PayPal, my app needs to use the Debit or Credit card option enabled by the smart buttons and I can't see how to get to that stage. The linked method works by making an IPN call to a page in my app which then does some backend processing that I need. This proves that my account IPN settings are working OK but when I use the smart buttons option, no such call is made to my IPN script. Is there a way to do this with smart buttons? I assumed it would take the setting for Notification URL at https://www.paypal.com/cgi-bin/webscr?cmd=_profile-ipn-notify but this doesn't seem to be the case. thanks and best regards!
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