What each state means
Scheduled maintenance
No maintenance windows are scheduled at this time.Past maintenance
2026-03-25 · SAT · CFDI portals (7 hours)
2026-03-25 · SAT · CFDI portals (7 hours)
SAT maintenance window, 00:00 – 07:00 CST. The CFDI Taxpayer Portal, the CFDI Withholdings Taxpayer Portal, and Verifica CFDI were unavailable.Affected services: CFDI stamping, withholding CFDI.
Next steps
Idempotency
How to retry issuing without duplicating invoices when something fails.
CFDI 4.0 XML validator
Inspect an invoice that was stamped during an incident.