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Zulip Outage History

Every past Zulip outage tracked by IsDown, with detection times, duration, and resolution details.

There were 12 Zulip outages since May 2020. The 7 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Major April 22, 2026

April 2026: Outage

Detected Apr 22, 2026 6:32 PM WEST · Resolved Apr 22, 2026 10:58 PM WEST · Duration about 4 hours
Major April 1, 2026

April 2026: Partial outage

Detected Apr 1, 2026 1:26 AM WEST · Resolved Apr 1, 2026 2:22 AM WEST · Duration about 1 hour