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
99.98 % 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
99.96 % uptime
Today
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.

Past Incidents
Oct 18, 2021

No incidents reported today.

Oct 17, 2021

No incidents reported.

Oct 16, 2021

No incidents reported.

Oct 15, 2021
Publisher dashboards are unavailable
Resolved - This incident has been resolved.
Oct 15, 13:30 PDT
Monitoring - We have identified the issue and deployed a fix. We are continuing to monitor the issue.
Oct 15, 10:21 PDT
Investigating - We are currently investigating an issue preventing writers from accessing their publisher dashboards.
Oct 15, 10:16 PDT
Oct 14, 2021
Substack
Resolved - Substack experienced brief downtime from 9:23AM - 9:30 AM PST. The issue has been resolved.
Oct 14, 09:30 PDT
Oct 13, 2021

No incidents reported.

Oct 12, 2021

No incidents reported.

Oct 11, 2021

No incidents reported.

Oct 10, 2021

No incidents reported.

Oct 9, 2021

No incidents reported.

Oct 8, 2021

No incidents reported.

Oct 7, 2021

No incidents reported.

Oct 6, 2021
Substack is intermittently unavailable
Resolved - This incident has been resolved.
Oct 6, 14:51 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Oct 6, 14:33 PDT
Investigating - We are currently investigating this issue.
Oct 6, 14:14 PDT
Substack is down
Resolved - This incident has been resolved.
Oct 6, 14:02 PDT
Monitoring - A fix has been implemented and we are monitoring the results
Oct 6, 13:52 PDT
Investigating - Substack is down. We are investigating the issue.
Oct 6, 13:45 PDT
Oct 5, 2021

No incidents reported.

Oct 4, 2021

No incidents reported.

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