Outage in Substack

Increased latency and errors

Resolved Major

January 21, 2025 - Started over 1 year ago - Lasted about 1 hour
Official incident page

Incident Report

We are investigating reports of increased latency and errors for Substack.com, publication websites, and the Substack app.

Components affected

Substack publications Substack Writer dashboards Substack .com

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Latest Updates ( sorted recent to last )

RESOLVED over 1 year ago - at 01/22/2025 12:36AM

This incident has been resolved.

MONITORING over 1 year ago - at 01/22/2025 12:20AM

Substack websites and applications are fully operational and our team is monitoring.

IDENTIFIED over 1 year ago - at 01/22/2025 12:12AM

We have identified the issue and are beginning to see recovery across all Substack websites and applications.

INVESTIGATING over 1 year ago - at 01/21/2025 11:48PM

We are continuing to investigate reports of increased latency and errors for all Substack websites and applications.

INVESTIGATING over 1 year ago - at 01/21/2025 11:44PM

We are investigating reports of increased latency and errors for Substack.com, publication websites, and the Substack app.

source IsDown Service outage affecting user access Reports started 4 minutes before official outage was reported

Users report inability to access pages and apps, encountering 502 Bad Gateway errors, as well as issues with saving drafts and posting, suggesting server problems.

Latest Substack outages

Service degraded due to a provider. - about 24 hours ago

Issue with reported open rates - 27 days ago

We're aware of an issue causing delays in publisher stats - about 2 months ago

Publisher Stats Loading - about 2 months ago

Substack Availability Issues - 2 months ago

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