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Zulip Outage History

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

There were 11 Zulip outages since May 2020. The 6 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 1:32 PM EDT · Resolved Apr 22, 2026 5:58 PM EDT · Duration about 4 hours
Major March 31, 2026

March 2026: Partial outage

Detected Mar 31, 2026 8:26 PM EDT · Resolved Mar 31, 2026 9:22 PM EDT · Duration about 1 hour