Configuration
Register your endpoint in the portal, pick events, and get the keys used to verify them.
Delivery and retries
Headers, timeout, the retry schedule, and how to handle duplicates and ordering.
Reference fields
What payfacReference, originalPayfacReference, checkoutReference and merchantReference each identify.
Payment
Authorisation, capture, refund and token events, and how to verify them.
Merchant management
Events for partners about terminals, agreements and merchant status.