**Vertex VAT Compliance Incident Summary** On September 24, 2026, Vertex experienced a performance degradation lasting approximately 1.5 hours that caused service interruptions across eInvoicing, Express Returns, and VAT Compliance environments. A fix was implemented and monitored before the incident was fully resolved within the same evening.
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This incident has been resolved.
A fix has been implemented and we are monitoring the results.
Our monitoring processes indicate some customers are experiencing performance degradation that may be resulting in service interruption within the eInvoicing, Express Returns and VAT Compliance environments. We are actively investigating and are troubleshooting the issue. We will provide an update as soon as possible. Thank you for your patience. If you have any questions, please submit a support ticket via the Vertex Community.
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