NOTE: Carouselhouse[dot]com has a “custom” button for doing the “view cart checkout” function. they could offer no assistance how it works. 2016-02-10
NOTE – https://SANDBOX.paypal.com ! ! ! (2016-07-12)
Paypal walked me through how to create a paypal “shadow account”
https://developer.paypal.com/
think of it as a virtual-account – we can test and test (and re-test) without any money changing hands. this way we can debug the purchase procedure without creating any administrative headaches.
tech support direct ##:
800-852-1973
8am-6pm m-f central time
how to assign a custom php callback script to a paypal account:
step one – go into the button area:
step two – my-selling-tools===>“instant payment notifications”
step three – assign the callback script (IPN) using profile—>MySellingTools, Instant Payment Notification:
https://developer.paypal.com/docs/classic/ipn/gs_IPN/