Outage report · Major outage

Zulip outage on Apr 22, 2026

Outage

SeverityMajor outage
StartedApr 22, 2026, 17:32UTC
ResolvedApr 22, 2026, 21:25UTC
Duration3h 53m

What happened

Zulip reported a major outage starting Apr 22, 2026, 17:32 UTC, affecting Zulip Cloud, Mobile Push Notification Service, Email notifications. It was marked resolved at Apr 22, 2026, 21:25 UTC.

  • The incident lasted 3h 53m from first report to resolution.
  • Zulip had reported 2 other partial or major outages in the 90 days before it.
  • 6 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Zulip

This incident has been resolved.

Read Zulip's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Zulip started after this incident, so this report is based on Zulip's status page.

Other outages around the same time

Significant incidents other vendors reported within 12 hours of this one.

Zulip's overall reliability

100.0/100

Zulip has a reliability score of 100.0/100, with 100% effective uptime and 0 incidents over the last 90 days.

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