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
99.99 % 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
Jan 18, 2021

No incidents reported today.

Jan 17, 2021

No incidents reported.

Jan 16, 2021

No incidents reported.

Jan 15, 2021

No incidents reported.

Jan 14, 2021

No incidents reported.

Jan 13, 2021

No incidents reported.

Jan 12, 2021

No incidents reported.

Jan 11, 2021

No incidents reported.

Jan 10, 2021

No incidents reported.

Jan 9, 2021

No incidents reported.

Jan 8, 2021

No incidents reported.

Jan 7, 2021
Issues with cloud service provider
Resolved - This incident has been resolved.
Jan 7, 13:58 PST
Monitoring - One or more of our service providers is reporting degraded service levels; we're monitoring for any impact on service to Substack users.
Jan 7, 10:37 PST
Jan 6, 2021
Substack publication websites not loading
Resolved - Publication web pages aren't loading, and publishers are unable to access their control panels or analytics.
Jan 6, 19:30 PST
Jan 5, 2021

No incidents reported.

Jan 4, 2021

No incidents reported.

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