All Systems Operational
Uptime over the past 90 days. View historical uptime.
Substack publications Operational
90 days ago
100.0 % uptime
Today
Writer dashboards Operational
90 days ago
100.0 % uptime
Today
Email delivery Operational
90 days ago
99.99 % uptime
Today
Subscription invoice processing Operational
90 days ago
100.0 % uptime
Today
Substack.com Operational
90 days ago
100.0 % uptime
Today
Push Notifications Operational
90 days ago
100.0 % uptime
Today
Custom domains Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Past Incidents
Dec 15, 2024

No incidents reported today.

Dec 14, 2024

No incidents reported.

Dec 13, 2024
Elevated Error Rates
Resolved - This incident has been resolved.
Dec 13, 08:50 PST
Monitoring - Substack services are fully available. We are continuing to monitor.
Dec 13, 08:28 PST
Identified - We are currently experiencing an elevated error rate to Substack web sites and through our mobile application, but are seeing recovery. We are continuing to work toward mitigation.
Dec 13, 08:25 PST
Monitoring - We are experiencing an outage, but we are recovering.
Dec 13, 08:21 PST
Dec 12, 2024

No incidents reported.

Dec 11, 2024

No incidents reported.

Dec 10, 2024

No incidents reported.

Dec 9, 2024

No incidents reported.

Dec 8, 2024

No incidents reported.

Dec 7, 2024

No incidents reported.

Dec 6, 2024

No incidents reported.

Dec 5, 2024

No incidents reported.

Dec 4, 2024

No incidents reported.

Dec 3, 2024

No incidents reported.

Dec 2, 2024

No incidents reported.

Dec 1, 2024

No incidents reported.

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