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
99.99 % uptime
Today
Subscription invoice processing Operational
90 days ago
99.99 % uptime
Today
Substack.com Operational
90 days ago
99.99 % uptime
Today
Push Notifications Operational
90 days ago
99.99 % 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.

Jul 11, 2025

No incidents reported today.

Jul 10, 2025

No incidents reported.

Jul 9, 2025

No incidents reported.

Jul 8, 2025

No incidents reported.

Jul 7, 2025

No incidents reported.

Jul 6, 2025

No incidents reported.

Jul 5, 2025

No incidents reported.

Jul 4, 2025

No incidents reported.

Jul 3, 2025

No incidents reported.

Jul 2, 2025

No incidents reported.

Jul 1, 2025

No incidents reported.

Jun 30, 2025

No incidents reported.

Jun 29, 2025

No incidents reported.

Jun 28, 2025

No incidents reported.

Jun 27, 2025

No incidents reported.

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