Fat Zebra Incident History
Operational
checked Aug 26, 2026 5:10 PM UTC · Fat Zebra's official status page
Fat Zebra is up and running.
Fat Zebra is currently operational with all systems functioning normally.
Incident History
Showing incidents from the last 15 days
Report: "Errors affecting Merchants acquiring via Fiserv (First Data)"
Last updatePlease see a further update from Fiserv below: Fiserv would like to advise clients and partners that the issue impacting Mastercard transaction processing has now been resolved. Mastercard transactions are now processing as expected.
Fiserv has confirmed they are currently investigating a service disruption to Mastercard Transaction Processing on their side.
We are currently investigating a problem with merchants acquiring via Fiserv (First Data), receiving '91 - Host or Switch Unavailable' responses for some transactions.
Report: "Payment failures with Mastercard cards"
Last updateThe incident with our third party provider has been resolved.
We are currently seeing a spike in failures of payments with Mastercard cards, due to an issue with an upstream provider. We are investigating the cause.
Report: "Gateway transactions timing out"
Last updateThis incident has been resolved.
A fix has been implemented and we're monitoring Gateway's health.
We are continuing to investigate this issue.
We're currently investigating an outage affecting our Gateway. We are investigating the cause for this.
Report: "Gateway transactions timing out"
Last updateThis incident has been resolved.
A fix has been implemented and we're monitoring Gateway's health.
We are continuing to investigate this issue.
We're currently investigating an outage affecting our Gateway. We are investigating the cause for this.