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.

Nov 15, 2026

No incidents reported today.

Nov 14, 2026

No incidents reported.

Nov 13, 2026

No incidents reported.

Nov 12, 2026

No incidents reported.

Nov 11, 2026

No incidents reported.

Nov 10, 2026

Slow publishing and some posts displaying without content
Resolved - This incident has been resolved. A small number of posts published overnight may continue to appear blank for a short time for readers who aren’t signed in; they’ll display normally within a few hours, and no action is needed from writers.
Nov 10, 07:07 PST
Monitoring - A fix has been implemented and we're monitoring results.
Nov 10, 04:48 PST
Identified - We’ve identified an issue that is causing publishing and draft saving to be slower than usual. Some recently published posts may display without their title or body, and some writers may be unable to edit recently published posts. Notifications for new posts may also be delayed. We’re working with our infrastructure provider on a fix and will post another update within the hour.
Nov 10, 04:04 PST

Nov 9, 2026

No incidents reported.

Nov 8, 2026

No incidents reported.

Nov 7, 2026

No incidents reported.

Nov 6, 2026

No incidents reported.

Nov 5, 2026

No incidents reported.

Nov 4, 2026

No incidents reported.

Nov 3, 2026

No incidents reported.

Nov 2, 2026

No incidents reported.

Nov 1, 2026

No incidents reported.

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