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
100.0 % 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.

Aug 15, 2025

No incidents reported today.

Aug 14, 2025

No incidents reported.

Aug 13, 2025

No incidents reported.

Aug 12, 2025

No incidents reported.

Aug 11, 2025
Unable to sign in on the Android app
Resolved - This incident has been resolved.
Aug 11, 09:35 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Aug 11, 09:27 PDT
Investigating - We are currently investigating this issue.
Aug 11, 09:15 PDT
Aug 10, 2025

No incidents reported.

Aug 9, 2025

No incidents reported.

Aug 8, 2025

No incidents reported.

Aug 7, 2025

No incidents reported.

Aug 6, 2025

No incidents reported.

Aug 5, 2025

No incidents reported.

Aug 4, 2025

No incidents reported.

Aug 3, 2025

No incidents reported.

Aug 2, 2025

No incidents reported.

Aug 1, 2025

No incidents reported.

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