Semaphore CI logo and current status indicator

Semaphore CI Status

Operational

semaphore.io 2 components

checked Sep 11, 2026 4:21 PM UTC · Semaphore CI's official status page

Is Semaphore CI Working Right Now?

Yes. Semaphore CI is up and running.

Semaphore CI is currently operational with all systems functioning normally.

Last broke
Sep 11
Uptime
99.92%
Most impacted
Semaphore

90 day period

All components operational

Email only. No password. No card.
Incidents

Service health

Service health, last 90 days

Jun 14Today
Vendor-reported incidentNo status degradation recordedDegradedPartial outageMajor outageMaintenance

How to read this

The record

90 day period · not affected by the range above
Availability
99.92%
Last Incident
Degraded
Sep 11, 2026 7:55 AM UTC
Incidents
26
4 major, 5 partial, 17 degraded
Most impacted
Semaphore
Longest 1d

Availability counts operational or degraded time as available, averaged equally across all monitored components. Partial outages count as half downtime and major outages count in full, scheduled maintenance is excluded from the calculation, and periods with no recorded status are counted as available rather than assumed down. Each component is tracked independently to give you a clear picture of overall service reliability.

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Recent Semaphore CI outages & status updates

Status changes and service events for Semaphore CI over the last 30 days

26 incidents over 90 days69 clear days · worst 2 on Jul 23
Semaphore CI incidents per day over the last 90 days, one row per week
SMTWTFS
Jun 7
Jun 14
1
Jun 21
1
1
Jun 28
Jul 5
Jul 12
1
1
Jul 19
1
1
2
1
Jul 26
1
Aug 2
1
Aug 9
1
1
Aug 16
2
1
1
Aug 23
1
2
1
Aug 30
1
2
Sep 6
1
02 incidents

Upstream Services experienced degraded performance

Sep 11 · resolved after 1h 35m

Semaphore experienced degraded performance

Sep 2 · resolved after 1d

Periodic authentication failure with GitHub repositories

Sep 2 · reported by Semaphore CI · resolved

Semaphore experienced degraded performance

Sep 2 · resolved after 3h 32m

Delays in job processing

Aug 31 · ended after 10h 15m · 1 components affected

Semaphore

Scheduled maintenance on Upstream Services

Aug 30 · resolved after 2h 5m

Semaphore experienced degraded performance

Aug 28 · resolved after 1h 36m

Semaphore CI experienced a partial outage

Aug 27 · resolved after 32m

Solid — we detected itHollow — Semaphore CI reported it
View all incidents →

What is Semaphore CI?

Semaphore CI is a continuous integration and continuous delivery platform that automates software testing and deployment workflows for development teams. It provides cloud-based infrastructure for running tests and deploying applications across various programming languages and environments.

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Frequently asked questions about Semaphore CI

Common questions about monitoring Semaphore CI and understanding service status

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