Hi Sam, It looks like PayPal’s IPN uses REST calls.
https://developer.paypal.com/docs/api-basics/ <https://developer.paypal.com/docs/api-basics/> Have you look at 4D’s “HTTP Request” command? https://doc.4d.com/4Dv17R5/4D/17-R5/HTTP-Request.301-4127751.en.html <https://doc.4d.com/4Dv17R5/4D/17-R5/HTTP-Request.301-4127751.en.html> That's the command I use for REST calls to a server. > On Aug 29, 2019, at 12:43 AM, Sam Burnell via 4D_Tech <4d_tech@lists.4d.com> > wrote: > > paypal's Instant Payment Notification (IPN) system. ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************