📄️ Introduction
The SysPay Event Messaging System will call the URL you provided us anytime one of the following objects undergoes a change or is initiated:
📄️ Callback validation
A callback will be provided with the following HTTP headers that will let you validate that the call is genuine:
📄️ IP addresses
All Event Messaging System notifications (webhooks) are sent from the IP addresses listed below.
📄️ Re-attempts
An event is considered successful if we receive an HTTP response with status 200.