Zenler Outage History
1 incident recorded over the last 365 days, 1 of them resolved. Durations are measured from when PulsAPI first saw the problem to when it cleared, which is usually longer than the vendor's own figure.
Every Recorded Zenler Incident
| Date | Incident | Duration | Status |
|---|---|---|---|
| Dec 14, 2025 | Brief Course Access Disruption for some sitesResolved - The issue affecting course access affecting some sites has been fully resolved. We’ve identified the root cause and implemented additional safeguards to prevent recurrence. | 0 min | Resolved |
Hear about the next one while it is open
Everything above is a record written after the fact. We can email you when the next Zenler incident opens instead, at the point where knowing still changes what you do.
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How to Read This Zenler Incident Log
Each row is an incident PulsAPI observed, not a summary written afterwards. The duration is wall-clock time between the first failing check and the first clean one, so it includes the window before Zenler acknowledged anything. Vendor post-mortems typically measure from acknowledgement, which is why their numbers are usually shorter.
Incidents still open have no duration yet and are listed as ongoing rather than being given a running total. The archive covers the last 365 days; anything older has aged out of the window rather than never having happened.
The longest single Zenler outage in this window ran 0 min, against a mean recovery of 0 min. If you depend on Zenler in a customer-facing path, the longest figure is the one to design around. The mean is what happens on a normal bad day; the maximum is what happens on the worst one.