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Communication

Is Zulip down right now?

UnknownOfficial status last polled Oct 6, 2026 20:58 UTCzulip.comOfficial status page

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Is Zulip down right now?

Vendor-reported issue. Zulip: Partially Degraded Service Affected scope is described in the vendor notice; service-wide impact is not established. Independent corroboration has not been established.

Status as of Oct 6, 2026 21:48 UTC

UnknownVendor-reported issue

Zulip: vendor reports an issue

As of Oct 6, 2026 21:48 UTC

Partially Degraded Service Affected scope is described in the vendor notice; service-wide impact is not established. Independent corroboration has not been established.

No product check is currently qualified to corroborate an incident for this service. Overall service status has not been established.

Reports 24h

0

Last incident

Oct 5, 2026 13:32 UTC

Trend

0/15m

Monitoring

Coverage gap

Observed health

Unknown

No samples qualify for a combined success and latency score.

Evidence strength

Vendor-reported

An official notice is available; independent agreement is unproven.

Evidence describes support for an issue, not its outage probability.

How this score works

100 × successful samples within the latency target ÷ assessed samples. Targets use a historical operation-latency baseline and are heuristic. Server failures count as failed samples; successful responses without a qualified target are shown separately. Only named operations are measured. Vendor statements, report volume, forecasts and incident records do not add score points.

A component issue stays visible even when other operations pass. Forecasts are separate from current health.

30 days incident history

Daily incident severity and duration for Zulip.

4

Incident days

26

No recorded incident

43h 26m

Recorded duration

No recorded incident — health unknownLow or mediumHigh or critical
Recorded incidents remain visible regardless of current monitoring status. Days without records do not establish historical coverage or healthy service.
Showing available records within the selected range.

30-day outage frequency

Recorded incidents per day and recorded incident duration for Zulip. Hover a day for detail.

Sep 7Sep 12Sep 17Sep 22Sep 27Oct 201234

Green baseline markers mean no recorded incident. These records do not establish historical monitoring coverage or verified uptime.

4

Days with incidents

1 incident

Busiest day

43h 26m

Recorded duration

Report volume

0 reports in last 24H

09:45 PM01:15 AM04:45 AM08:15 AM11:45 AM03:15 PM06:45 PM00.511.52baseline 1

Issue types

No data

Top cities

No location data

Top providers

No provider data

Auto-drafted postmortem

Zulip: vendor-reported incident on October 3 (tracked 1d 18h)

Oct 3, 07:28 PM → Oct 5, 01:32 PM · 1d 18h · medium

Zulip reported an incident on its own status page. PulseWatch followed the vendor's status page and did not independently confirm the incident. PulseWatch tracked this incident for 1 day and 18 hours, closing tracking on October 5, 2026, at 13:32 UTC.

Duration
1d 18h
tracked by PulseWatch

Impact

PulseWatch recorded no user reports for this incident, so it cannot describe what users experienced. The incident is known from Zulip's own status page.

Incident timeline

  1. Oct 3, 07:28 PM

    The vendor reported an incident on its own status page; PulseWatch began tracking it

  2. Oct 3, 07:28 PM

    Status updated: possible issue

  3. Oct 5, 01:32 PM

    PulseWatch closed the incident

Official updates

  1. Oct 3, 07:28 PM

    Zulip reported the incident on its status page.

    View official source
Draft auto-generated by PulseWatch when the incident resolved. Based on the vendor's own status page.

Reliability

Not measured

30-day uptime

n/a

90-day uptime

n/a

Not calculated: Zulip is unknown, so there is no incident history to measure and no uptime figure is shown.

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Incident timeline

Scrub through detection, peak, status updates, and resolution.

Full history →
ResolvedMedium

Zulip: the vendor reports an incident on its own status page without a structured impact level. Single origin, not independently confirmed. At this stated impact it alerts no one until a second independent source agrees.

10/3/2026, 7:28:35 PM · 1d 18h

07:28 PM01:32 PM
Detection10/3/2026, 7:28:35 PM · 3d ago

Detected — medium severity

Zulip: the vendor reports an incident on its own status page without a structured impact level. Single origin, not independently confirmed. At this stated impact it alerts no one until a second independent source agrees.

ResolvedMedium

Zulip: the vendor reports an incident on its own status page without a structured impact level. Single origin, not independently confirmed. At this stated impact it alerts no one until a second independent source agrees.

9/29/2026, 2:58:37 PM · 1h 23m

02:58 PM04:21 PM
Detection9/29/2026, 2:58:37 PM · 7d ago

Detected — medium severity

Zulip: the vendor reports an incident on its own status page without a structured impact level. Single origin, not independently confirmed. At this stated impact it alerts no one until a second independent source agrees.

ResolvedMedium

Zulip incident correlated across 1 signal group: official/vendor.

8/31/2026, 4:00:28 PM · 16 min

04:00 PM04:17 PM
Detection8/31/2026, 4:00:28 PM · 1mo ago

Detected — medium severity

Zulip incident correlated across 1 signal group: official/vendor.

ResolvedMedium

Zulip incident correlated across 1 signal group: official/vendor.

8/22/2026, 11:59:57 AM · 4h 1m

11:59 AM04:01 PM
Detection8/22/2026, 11:59:57 AM · 1mo ago

Detected — medium severity

Zulip incident correlated across 1 signal group: official/vendor.

DetectionPeakStatus updateResolvedCrowd warning

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Signal quality

Live signal

Status
Unknown
Monitoring
Vendor-reported issue: Partially Degraded Service. Affected scope is described in the vendor notice; service-wide impact is not established.
Coverage
Verified against the vendor's own incident history
Reports (24h)
0
Baseline / hour
5
Open threshold
3x

Official site

zulip.com