All Systems Operational
Uptime over the past 90 days. View historical uptime.
Substack publications Operational
90 days ago
99.57 % uptime
Today
Writer dashboards Operational
90 days ago
99.57 % uptime
Today
Email delivery Operational
90 days ago
99.89 % uptime
Today
Subscription invoice processing Operational
90 days ago
100.0 % uptime
Today
Substack.com Operational
90 days ago
99.6 % uptime
Today
Push Notifications Operational
90 days ago
100.0 % 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
Jun 28, 2022

No incidents reported today.

Jun 27, 2022
Scheduled database maintenance
Completed - The scheduled maintenance has been completed.
Jun 27, 22:44 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jun 27, 18:00 PDT
Scheduled - We will be performing a maintenance on the database powering the publisher dashboard. Subscription count and subscriber dashboard data may be missing or out of date during this maintenance. Expected downtime should be less than a minute.
Jun 27, 10:35 PDT
Jun 26, 2022

No incidents reported.

Jun 25, 2022

No incidents reported.

Jun 24, 2022

No incidents reported.

Jun 23, 2022

No incidents reported.

Jun 22, 2022

No incidents reported.

Jun 21, 2022

No incidents reported.

Jun 20, 2022

No incidents reported.

Jun 19, 2022

No incidents reported.

Jun 18, 2022

No incidents reported.

Jun 17, 2022

No incidents reported.

Jun 16, 2022
We are observing errors and slowness across all Substack publications and websites due to a repeated technical incident at our cloud hosting provider.
Resolved - This incident has been resolved.
Jun 16, 11:08 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 16, 09:45 PDT
Investigating - We are currently investigating this issue.
Jun 16, 09:26 PDT
Substack Downtime Due to Cloud Hosting Provider Outage
Resolved - This incident has been resolved.
Jun 16, 08:59 PDT
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 16, 00:35 PDT
Investigating - We are observing errors and slowness across all Substack publications and websites due to an ongoing technical incident at our cloud hosting provider.
Jun 15, 23:00 PDT
Jun 15, 2022
Jun 14, 2022

No incidents reported.

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