All Systems Operational
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
99.97 % 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.
Past Incidents
Feb 6, 2025

No incidents reported today.

Feb 5, 2025

No incidents reported.

Feb 4, 2025

No incidents reported.

Feb 3, 2025
Resolved - This incident has been resolved.
Feb 3, 12:49 PST
Monitoring - We have restored the feed for all users on Substack.com and in the Substack app home tab and have seen error rates subside. We are continuing to monitor.
Feb 3, 12:31 PST
Update - We are continuing to work to resolve the increased error rate from the Substack home page and Substack app home tab. Some Substack users may not see Notes in your feed while we work to restore service.
Feb 3, 12:14 PST
Identified - We have identified the issue and we're working to resolve the errors from the Substack.com home page and Substack app home tab.
Feb 3, 11:37 PST
Update - We have identified an issue causing increased errors from the Substack web destination as well as the home tab of the Substack app. We are working to resolve.
Feb 3, 11:29 PST
Investigating - We are investigating reports of Notes not loading on the Substack homepage.
Feb 3, 11:25 PST
Feb 2, 2025

No incidents reported.

Feb 1, 2025

No incidents reported.

Jan 31, 2025

No incidents reported.

Jan 30, 2025

No incidents reported.

Jan 29, 2025

No incidents reported.

Jan 28, 2025

No incidents reported.

Jan 27, 2025
Resolved - This incident has been resolved.
Jan 27, 14:03 PST
Monitoring - A fix has been implemented and we are monitoring the results.
Jan 27, 13:57 PST
Identified - We're experiencing a delay in processing some stats across the platform. Data on various dashboards may be out of date.
Jan 27, 13:08 PST
Jan 26, 2025

No incidents reported.

Jan 25, 2025

No incidents reported.

Jan 24, 2025

No incidents reported.

Jan 23, 2025

No incidents reported.