All Systems Operational
Substack publications Operational
90 days ago
99.92 % uptime
Today
Writer dashboards Operational
90 days ago
99.93 % 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
99.93 % 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.
Past Incidents
Jan 29, 2023

No incidents reported today.

Jan 28, 2023

No incidents reported.

Jan 27, 2023
Resolved - All previously-scheduled posts have been sent, and this incident has been resolved. We apologize for any inconvenience.
Jan 27, 05:33 PST
Monitoring - We're aware of an issue which caused scheduled emails to be delayed. A fix has been implemented and previously-scheduled emails are now being sent. Posts scheduled before 18:00 PT on 2022-01-26 were unaffected. We apologize for the inconvenience.
Jan 27, 05:15 PST
Identified - The issue has been identified and a fix is being implemented.
Jan 27, 04:31 PST
Jan 26, 2023

No incidents reported.

Jan 25, 2023

No incidents reported.

Jan 24, 2023

No incidents reported.

Jan 23, 2023
Completed - The scheduled maintenance has been completed.
Jan 23, 18:32 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 23, 18:00 PST
Scheduled - We will be performing a maintenance on the database powering Substack. We expect a few minutes of downtime.
Jan 20, 13:59 PST
Jan 22, 2023

No incidents reported.

Jan 21, 2023

No incidents reported.

Jan 20, 2023
Resolved - This incident has been resolved.
Jan 20, 12:02 PST
Monitoring - A suspicious traffic pattern was identified and mitigated.
Jan 20, 09:12 PST
Investigating - We are currently investigating slow response times throughout the site
Jan 20, 08:52 PST
Jan 19, 2023

No incidents reported.

Jan 18, 2023
Completed - The scheduled maintenance has been completed.
Jan 18, 18:44 PST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jan 18, 18:01 PST
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 Subscription count and subscriber dashboard data may be missing or out of date during this maintenance.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.
Jan 18, 13:20 PST
Resolved - This incident has been resolved.
Jan 18, 13:22 PST
Monitoring - A fix has been implemented and we are monitoring the results.
Jan 18, 13:07 PST
Identified - We have identified an issue causing some posts to not load properly.
Jan 18, 12:43 PST
Jan 17, 2023

No incidents reported.

Jan 16, 2023

No incidents reported.

Jan 15, 2023

No incidents reported.