Changes / Substack / Increased error rates
Substack: Major incident: Increased error rates
Summary
Summary pending. The diff below shows exactly what changed.
What changed
Before: not present
After: Increased error rates
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2025-04-29 18:15 UTC
Before: not present
After: 2025-04-29 19:16 UTC
Before: not present
After: Custom domains, Email delivery, Push Notifications, Subscription invoice processing, Substack.com, Substack publications, Writer dashboards
Before: not present
After: We are currently investigating this issue.
Before: not present
After: This issue is causing performance degradation across the system.
Before: not present
After: The website is down.
Before: not present
After: 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.
Before: not present
After: We are beginning to see recovery across Substack and error rates are returning the normal levels.
Before: not present
After: 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.
Before: not present
After: We are seeing full recovery across Substack and our team is now monitoring.
Before: not present
After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Increased error rates (this change) | Major incident |