Outage in Substack

Increased error rates

Resolved Major
April 29, 2025 - Started 24 days ago - Lasted about 2 hours
Official incident page

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Outage Details

We are currently investigating this issue.
Components affected
Substack publications Substack Writer dashboards Substack Email delivery Substack Subscription invoice processing Substack .com
Latest Updates ( sorted recent to last )
RESOLVED 24 days ago - at 04/29/2025 07:16PM

This incident has been resolved.

MONITORING 24 days ago - at 04/29/2025 06:41PM

We are seeing full recovery across Substack and our team is now monitoring.

IDENTIFIED 24 days ago - at 04/29/2025 06:15PM

We are continuing to see recovery. Substack publications, the publisher dashboard, and other functionality are fully recovered. We continue to work on increased error rates across Substack.com, the Substack app, and the post editor.

IDENTIFIED 24 days ago - at 04/29/2025 06:11PM

We are beginning to see recovery across Substack and error rates are returning the normal levels.

IDENTIFIED 24 days ago - at 04/29/2025 06:03PM

We are experiencing elevated error rates across all Substack applications including publication websites, Substack.com, and the Substack apps. We have identified the issue and we are working toward recovery.

INVESTIGATING 24 days ago - at 04/29/2025 05:52PM

The website is down.

INVESTIGATING 24 days ago - at 04/29/2025 05:49PM

This issue is causing performance degradation across the system.

INVESTIGATING 24 days ago - at 04/29/2025 05:03PM

We are currently investigating this issue.

Latest Substack outages

Email analytics backup - 23 days ago
Errors loading notes feed - about 2 months ago
Email delivery delays - 2 months ago
Issues loading Notes - 3 months ago
Publisher Dashboard and Notifications are experiencing slowdowns - 3 months ago

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