This is a POST request sent to the url you set in the notifyUrl property when the application was rejected or wasn't completed successfully.
- txn_type: cart
- payment_status: failed
- pt_currency: USD
- pt_amount: The purchase amount
- uuid: The application token
POST / HTTP/1.1 Host: your-notify-url-here.com Content-Type: application/x-www-form-urlencoded txn_type=cart&payment_status=failed&pt_currency=USD&pt_amount=1000&uuid=d7f5b8ee-380c-4559-be18-0311e9922f98