Paymark experienced a minor incident on September 2, 2026 affecting Payment Switch / EFTPOS and CLICK and 1 more component, lasting 10h 27m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 02, 2026, 06:40 PM UTC
Paymark is aware of an issue impacting cards issued by Westpac causing transactions to decline. Westpac are currently investigating. Please be aware that contactless card and mobile device payments may not go through during this outage, requiring cards to be inserted or swiped for approval.
- investigating Sep 02, 2026, 06:41 PM UTC
We are continuing to investigate this issue.
- identified Sep 02, 2026, 08:48 PM UTC
The issue has been identified and a fix is being implemented.
- investigating Sep 02, 2026, 11:19 PM UTC
This issue is impacting Westpac acquiring services and merchants only. Westpac cardholders are not affected. Westpac is continuing to investigate the issue.
- resolved Sep 03, 2026, 05:08 AM UTC
This incident has been resolved.