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Substack: Substack Availability Issue

Affected components: Writer dashboardsEmail deliveryPush NotificationsSubscription invoice processingSubstack publicationsSubstack.comCustom domains

Timeline of updates

1. investigating2025-06-23 17:45 UTC

   We are currently investigating a higher error rate when trying to load Substack

2. identified2025-06-23 17:51 UTC

   The issue has been identified and a fix is being implemented.

3. monitoring2025-06-23 18:04 UTC

   Restored functionality on Substack.com and app. We are continuing to work on a fix for some delays in email delivery.

4. monitoring2025-06-23 18:14 UTC

   Continuing to bring systems back online. Writer dashboard stats including open rates may be delayed or temporarily inaccurate.

5. resolved2025-06-24 05:19 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Substack profile · Recent Substack incidents · Markdown · JSON