Is KSeF down?
No problems detected
Last checked 21 Oct 2026, 11:05 UTC · 106 ms · Sources: our probe (Poland) · official status page
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Response time, last 24 hours
288 checks · median 93 ms · slowest 992 ms · 0 failed
Availability, last 90 days
Visitor reports, last 24 hours
Last hour: 0 · Reports alone never mark a service as down: they show only when far above the usual.
Outage history
No outages recorded in the last 90 days.
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