All Systems Operational

Uptime over the past 90 days. View historical uptime.
Substack publications Operational
Writer dashboards Operational
Email delivery Operational
Subscription invoice processing Operational
Substack.com Operational
Push Notifications Operational
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.

Sep 13, 2026

No incidents reported today.

Sep 12, 2026

No incidents reported.

Sep 11, 2026

No incidents reported.

Sep 10, 2026

No incidents reported.

Sep 9, 2026

No incidents reported.

Sep 8, 2026

No incidents reported.

Sep 7, 2026

No incidents reported.

Sep 6, 2026

No incidents reported.

Sep 5, 2026

No incidents reported.

Sep 4, 2026

No incidents reported.

Sep 3, 2026

No incidents reported.

Sep 2, 2026

No incidents reported.

Sep 1, 2026

No incidents reported.

Aug 31, 2026

No incidents reported.

Aug 30, 2026

Delays in post delivery stats
Resolved - This incident has been resolved.
Aug 30, 11:40 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Aug 30, 10:22 PDT
Identified - The issue has been identified and a fix is being implemented.
Aug 30, 08:59 PDT
Investigating - Posts and notes are sending, but delivery stats are experiencing delays.
Aug 30, 08:17 PDT
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