Substack Status

All Systems Operational

Uptime over the past 90 days. View historical uptime.

Substack publications Operational

90 days ago

99.89 % uptime

Today

Writer dashboards Operational

90 days ago

99.84 % uptime

Today

Email delivery Operational

90 days ago

99.99 % uptime

Today

Subscription invoice processing Operational

90 days ago

100.0 % uptime

Today

Substack.com Operational

90 days ago

99.85 % uptime

Today

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Jun 17, 2021

No incidents reported today.

Jun 16, 2021

No incidents reported.

Jun 15, 2021

No incidents reported.

Jun 14, 2021

Post stats are delayed

Resolved - publisher statistics have been reloaded and are now up to date
Jun 14, 08:49 PDT

Investigating - We are currently investigating an issue resulting in delayed reporting of post statistics in writer dashboards.
Jun 14, 07:52 PDT

Jun 13, 2021

No incidents reported.

Jun 12, 2021

No incidents reported.

Jun 11, 2021

No incidents reported.

Jun 10, 2021

No incidents reported.

Jun 9, 2021

Subscriber dashboards are delayed

Resolved - This incident has been resolved.
Jun 9, 16:36 PDT

Identified - The issue has been identified and a fix is in progress.
Jun 9, 13:39 PDT

Investigating - We are currently investigating an issue affecting subscriber dashboards, which are showing out-of-date data.
Jun 9, 13:39 PDT

Jun 8, 2021

Substack emails failing to send

Resolved - This incident has been resolved, and emails should again be sending normally. Emails that failed to send during the outage are now being re-queued for delivery.
Jun 8, 19:32 PDT

Identified - We have identified an issue that is causing newsletter emails to fail to send, and are in the process of deploying a fix.
Jun 8, 17:30 PDT

Jun 7, 2021

No incidents reported.

Jun 6, 2021

No incidents reported.

Jun 5, 2021

No incidents reported.

Jun 4, 2021

No incidents reported.

Jun 3, 2021

No incidents reported.

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