All Systems Operational
Uptime over the past 90 days. View historical uptime.
Substack publications Operational
90 days ago
99.99 % uptime
Today
Writer dashboards Operational
90 days ago
99.99 % uptime
Today
Email delivery Operational
90 days ago
100.0 % uptime
Today
Subscription invoice processing Operational
90 days ago
100.0 % uptime
Today
Substack.com Operational
90 days ago
99.99 % uptime
Today
Push Notifications Operational
90 days ago
100.0 % uptime
Today
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
Jul 5, 2024

No incidents reported today.

Jul 4, 2024

No incidents reported.

Jul 3, 2024

No incidents reported.

Jul 2, 2024

No incidents reported.

Jul 1, 2024
Substack is aware of an issue affecting site availability.
Resolved - This incident has been resolved.
Jul 1, 19:30 PDT
Investigating - We are currently investigating this issue.
Jul 1, 19:12 PDT
Jun 30, 2024

No incidents reported.

Jun 29, 2024

No incidents reported.

Jun 28, 2024

No incidents reported.

Jun 27, 2024

No incidents reported.

Jun 26, 2024

No incidents reported.

Jun 25, 2024

No incidents reported.

Jun 24, 2024

No incidents reported.

Jun 23, 2024

No incidents reported.

Jun 22, 2024

No incidents reported.

Jun 21, 2024

No incidents reported.

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