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Is Semaphore down?
Operational
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Service status and report activity over the last 24 hours, in 15-minute intervals. Early warnings and official incidents are shown separately.
Loading reports… · Last 24 hours
Tap a bar to keep its details open. With the chart focused, use Left and Right to move between intervals, Home or End to jump, and Escape to close. Full data is available in the table below.
| Start | End | Reports | Status |
|---|
Official status checked
All systems operational
Official provider status0 outage reports in the last 24 hours.
Official status observations, not measured service uptime.
Official incidents, early warnings and community reports are identified separately. Early warning history covers only the last 24 hours. Dates use your time zone.
| Incident name | Duration | StartedUTC | Acknowledged | Severity |
|---|---|---|---|---|
| 24h 32m | Yes | Minor | ||
| 4h | Yes | Minor | ||
| 10h 5m | Yes | Critical | ||
| 1h 53m | Yes | Minor | ||
| 52m | Yes | Major | ||
| 47m | Yes | Critical | ||
| 6h 12m | Yes | Minor | ||
| 1h 34m | Yes | Major |
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Uptimus monitors Semaphore through its official status source and normalizes published incidents, maintenance windows and component health into one consistent service status.
This page currently includes 8 monitored components, 65 indexed incidents, 47 maintenance windows and 26 days of known history.
Uptimus is an independent monitoring service and is not affiliated with Semaphore. A healthy status does not guarantee that every user, device or region is unaffected.
Get notified when Semaphore or one of its monitored components reports a major outage or another critical service disruption. Alerts can be routed through the notification channels enabled for your workspace, including email, push and configured integrations. The available history contains 65 indexed incidents, giving each alert context beyond the current status. A recent indexed incident was “Periodic authentication failure with GitHub repositories”.
Get notified about degraded performance, partial impact and smaller incidents that do not represent a complete outage. Uptimus currently tracks 8 Semaphore components: GitHub API Requests, Semaphore, GitHub Packages, GitHub Webhooks. Alerts can be routed through the notification channels enabled for your workspace, including email, push and configured integrations.
Planned work published by the official provider.
The scheduled maintenance has been completed.
Started Aug 22, 2026, 09:00 AM UTC · Resolved Aug 22, 2026, 11:00 AM UTC
The scheduled maintenance has been completed.
Started Feb 7, 2026, 09:00 AM UTC · Resolved Feb 7, 2026, 11:00 AM UTC
The scheduled maintenance has been completed.
Started Feb 1, 2026, 10:00 AM UTC · Resolved Feb 1, 2026, 11:00 AM UTC
The scheduled maintenance has been completed.
Started Jan 18, 2026, 10:00 AM UTC · Resolved Jan 18, 2026, 11:00 AM UTC
The scheduled maintenance has been completed.
Started Oct 12, 2025, 08:00 AM UTC · Resolved Oct 12, 2025, 09:00 AM UTC
The scheduled maintenance has been completed.
Started Oct 5, 2025, 10:00 AM UTC · Resolved Oct 5, 2025, 11:00 AM UTC
The scheduled maintenance has been completed.
Started Sep 20, 2025, 05:00 AM UTC · Resolved Sep 20, 2025, 08:00 AM UTC
The scheduled maintenance has been completed.
Started Sep 14, 2025, 06:00 PM UTC · Resolved Sep 14, 2025, 08:00 PM UTC
Downdetector public pages are led by user reports. Uptimus combines community activity with official provider incidents, maintenance windows and component health when the source publishes them.
| Comparison criteria | Uptimus | Downdetector |
|---|---|---|
| Community outage reports for Semaphore | Included | Included |
| Adaptive baseline that separates isolated reports from wider disruption | Included | Included |
| 24-hour report activity and regional outage view | Included | Included |
| One workspace for websites, provider status pages, Steam games and Android apps and games | Included | Separate product |
| Email, push and webhook alerts from the same workspace | Included | Separate product |
| Official incident updates and status timeline for Semaphore | Included | User-report led |
| Component health and maintenance windows kept separate | Included | Limited on public pages |
The official status page for Semaphore reports normal operation. 0 reports were recorded for Semaphore in the last 24 hours. Last official check: .
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