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Wikimedia outage on 28 October 2026

Critical
Resolved · 04:57–06:24 UTC
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“Wikimedia API is unavailable”

On 28 October, the Wikimedia API was unavailable in a critical outage that lasted 1 h 27 min, from 04:57 to 06:24 UTC. The status page showed Reading and Editing in critical outage from 04:56 to 06:13. At 06:13 it reported that a fix had been implemented, and it continued monitoring until the incident ended. Claude also had a minor issue at the same time, with elevated errors affecting its Gmail connector from 04:00.

Wikimedia’s own incident page ↗
When
04:57–06:24 UTC
How long
1 h 27 min
Incident open on its page
04:55–open UTC
Components affected
2
Wikimedia, 30 days before
No other outages

What broke when

Major outage
Partial outage
Degraded
Reading Editing
UTC 05:0005:3006:0006:30

From Wikimedia’s own status page: when it moved each component into trouble, and back.

At the same time

Started in the hour before or during it

Wikimedia Claude
UTC 04:3005:0005:3006:00

And 90 lesser-known services. Problems at the same time are a clue, never proof that one caused another.

Timeline

Times in UTC

  1. Investigating
  2. Reading: major outage
  3. Editing: major outage
  4. Reading: degraded performance
  5. Editing: degraded performance
  6. Fix in place, monitoring
  7. Reading: back to normal
  8. Editing: back to normal

Where this comes from

Stackpulse reads Wikimedia’s official status page at www.wikimediastatus.net every minute. The times above are when it reported the problem; the summary is written from its updates and checked against them.

Stackpulse isn’t affiliated with Wikimedia. Names and logos belong to their owners.