See also:
Customers may also assume that the order process is complete once they have completed the 3D Secure authentication flow.
This can result in the customers closing their browser instead of completing the redirection back to your app or website.
For these reasons it is essential that your integration rely on webhooks to determine when the source becomes chargeable in order to create a charge.
Alpha have an Update API to post notifications for payment methods where we receive push notifications.
We do not have a generic Push Update for every transaction event and this would require development.
@Steve_Rivas is this a requirement?