immediate notification URL
The payment platform will automatically notify to the merchant site the approved and rejected transactions only. The other statuses (pending/create) must be seeing on BO. This communication will be made via POST. To process payment notifications. The merchant must create a page in their site that analyze the POST data received and activate the update in their database.
The merchant will have to provide ALPS with two (2) IPN notifications url, one for approved transactions and one for rejected transactions.
The merchant site must response a http code 200 or 203 in order to let us know that they have received the notification; if the request return a distinct code than 200 or 203, the notification will be marked as failed. The content of the response could be whatever the merchant want to send for their logs.