Substack Outage History

Substack is up right now

Substack had 39 outages in the last 2 years totaling 22h 34m of downtime — averaging 1.6 incidents per month.

There were 39 Substack outages since August 13, 2024 totaling 22h 34m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://substack.statuspage.io

Major February 3, 2025

Substack home page and app home tab errors

Detected by Pingoru
Feb 03, 2025, 07:25 PM UTC
Resolved
Feb 03, 2025, 08:49 PM UTC
Duration
1h 24m
Affected: Substack.com
Timeline · 6 updates
  1. investigating Feb 03, 2025, 07:25 PM UTC

    We are investigating reports of Notes not loading on the Substack homepage.

  2. investigating Feb 03, 2025, 07:29 PM UTC

    We have identified an issue causing increased errors from the Substack web destination as well as the home tab of the Substack app. We are working to resolve.

  3. identified Feb 03, 2025, 07:37 PM UTC

    We have identified the issue and we're working to resolve the errors from the Substack.com home page and Substack app home tab.

  4. identified Feb 03, 2025, 08:14 PM UTC

    We are continuing to work to resolve the increased error rate from the Substack home page and Substack app home tab. Some Substack users may not see Notes in your feed while we work to restore service.

  5. monitoring Feb 03, 2025, 08:31 PM UTC

    We have restored the feed for all users on Substack.com and in the Substack app home tab and have seen error rates subside. We are continuing to monitor.

  6. resolved Feb 03, 2025, 08:49 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice January 27, 2025

Delays in stats

Detected by Pingoru
Jan 27, 2025, 09:08 PM UTC
Resolved
Jan 27, 2025, 10:03 PM UTC
Duration
55m
Affected: Writer dashboards
Timeline · 3 updates
  1. identified Jan 27, 2025, 09:08 PM UTC

    We're experiencing a delay in processing some stats across the platform. Data on various dashboards may be out of date.

  2. monitoring Jan 27, 2025, 09:57 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Jan 27, 2025, 10:03 PM UTC

    This incident has been resolved.

Read the full incident report →

Major January 21, 2025

Increased latency and errors

Detected by Pingoru
Jan 21, 2025, 11:44 PM UTC
Resolved
Jan 22, 2025, 12:36 AM UTC
Duration
52m
Affected: Substack publicationsWriter dashboardsSubstack.comCustom domains
Timeline · 5 updates
  1. investigating Jan 21, 2025, 11:44 PM UTC

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

  2. investigating Jan 21, 2025, 11:48 PM UTC

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

  3. identified Jan 22, 2025, 12:12 AM UTC

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

  4. monitoring Jan 22, 2025, 12:20 AM UTC

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

  5. resolved Jan 22, 2025, 12:36 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice January 10, 2025

Degraded performance for search and publisher dashboard

Detected by Pingoru
Jan 10, 2025, 03:13 PM UTC
Resolved
Jan 10, 2025, 06:03 PM UTC
Duration
2h 50m
Timeline · 3 updates
  1. investigating Jan 10, 2025, 03:13 PM UTC

    We are currently investigating this issue.

  2. monitoring Jan 10, 2025, 03:33 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Jan 10, 2025, 06:03 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice December 19, 2024

We are investigating an issue where stats are delayed across the platform.

Detected by Pingoru
Dec 19, 2024, 01:13 PM UTC
Resolved
Dec 19, 2024, 01:53 PM UTC
Duration
39m
Affected: Writer dashboards
Timeline · 3 updates
  1. investigating Dec 19, 2024, 01:13 PM UTC

    We are currently investigating this issue.

  2. monitoring Dec 19, 2024, 01:44 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Dec 19, 2024, 01:53 PM UTC

    This incident has been resolved.

Read the full incident report →

Major December 13, 2024

Elevated Error Rates

Detected by Pingoru
Dec 13, 2024, 04:21 PM UTC
Resolved
Dec 13, 2024, 04:50 PM UTC
Duration
28m
Affected: Substack publicationsWriter dashboardsEmail deliverySubscription invoice processingSubstack.comPush NotificationsCustom domains
Timeline · 4 updates
  1. monitoring Dec 13, 2024, 04:21 PM UTC

    We are experiencing an outage, but we are recovering.

  2. identified Dec 13, 2024, 04:25 PM UTC

    We are currently experiencing an elevated error rate to Substack web sites and through our mobile application, but are seeing recovery. We are continuing to work toward mitigation.

  3. monitoring Dec 13, 2024, 04:28 PM UTC

    Substack services are fully available. We are continuing to monitor.

  4. resolved Dec 13, 2024, 04:50 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice October 29, 2024

Elevated Latency

Detected by Pingoru
Oct 29, 2024, 10:27 PM UTC
Resolved
Oct 29, 2024, 10:47 PM UTC
Duration
20m
Timeline · 4 updates
  1. investigating Oct 29, 2024, 10:27 PM UTC

    We are currently investigating this issue.

  2. identified Oct 29, 2024, 10:29 PM UTC

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

  3. monitoring Oct 29, 2024, 10:45 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Oct 29, 2024, 10:47 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice October 23, 2024

Issue updating titles on drafts

Detected by Pingoru
Oct 23, 2024, 02:21 AM UTC
Resolved
Oct 23, 2024, 02:48 AM UTC
Duration
26m
Timeline · 3 updates
  1. investigating Oct 23, 2024, 02:21 AM UTC

    We are currently investigating this issue.

  2. identified Oct 23, 2024, 02:39 AM UTC

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

  3. resolved Oct 23, 2024, 02:48 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor October 10, 2024

Issue managing Stripe subscriptions

Detected by Pingoru
Oct 10, 2024, 07:40 PM UTC
Resolved
Oct 10, 2024, 08:14 PM UTC
Duration
33m
Affected: Substack publicationsWriter dashboardsSubscription invoice processingSubstack.comCustom domains
Timeline · 2 updates
  1. identified Oct 10, 2024, 07:40 PM UTC

    We are currently investigating an issue related to managing subscriptions.

  2. resolved Oct 10, 2024, 08:14 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor October 4, 2024

Posts incorrectly auto paywalled

Detected by Pingoru
Oct 04, 2024, 01:40 PM UTC
Resolved
Oct 04, 2024, 11:05 PM UTC
Duration
9h 24m
Affected: Substack publications
Timeline · 3 updates
  1. identified Oct 04, 2024, 01:40 PM UTC

    We have identified a bug where some posts where automatically paywalled incorrectly. We are currently working to correct this and will provide updates here shortly.

  2. monitoring Oct 04, 2024, 07:14 PM UTC

    We have resolved this issue and are monitoring.

  3. resolved Oct 04, 2024, 11:05 PM UTC

    This incident has been resolved.

Read the full incident report →

Major October 1, 2024

Posts not being delivered via email

Detected by Pingoru
Oct 01, 2024, 02:04 PM UTC
Resolved
Oct 01, 2024, 03:06 PM UTC
Duration
1h 1m
Affected: Email delivery
Timeline · 5 updates
  1. investigating Oct 01, 2024, 02:04 PM UTC

    We are investigating reports that some posts are not being delivered via email.

  2. identified Oct 01, 2024, 02:08 PM UTC

    We can confirm delays in email deliveries for Substack posts starting at 9am EDT. We are working to resolve the issues.

  3. identified Oct 01, 2024, 02:24 PM UTC

    We are continuing to work on addressing delays in email deliveries.

  4. monitoring Oct 01, 2024, 02:32 PM UTC

    The delays in post delivery have been resolved and previously scheduled posts are currently being delivered. We are monitoring our systems to ensure delivery.

  5. resolved Oct 01, 2024, 03:06 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice September 18, 2024

Mobile App Issues

Detected by Pingoru
Sep 18, 2024, 09:19 PM UTC
Resolved
Sep 18, 2024, 09:32 PM UTC
Duration
13m
Affected: Substack.com
Timeline · 2 updates
  1. identified Sep 18, 2024, 09:19 PM UTC

    We're working on remedying an issue causing many parts of the Substack iOS and Android apps to not load properly.

  2. resolved Sep 18, 2024, 09:32 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor September 15, 2024

Issue with setting up new custom domains

Detected by Pingoru
Sep 15, 2024, 07:44 PM UTC
Resolved
Sep 15, 2024, 09:37 PM UTC
Duration
1h 53m
Affected: Custom domains
Timeline · 2 updates
  1. identified Sep 15, 2024, 07:44 PM UTC

    We've identified an issue preventing the setup of new custom domains and are working to restore functionality.

  2. resolved Sep 15, 2024, 09:37 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical August 23, 2024

Substack increased latency and error rate

Detected by Pingoru
Aug 23, 2024, 05:36 PM UTC
Resolved
Aug 23, 2024, 07:06 PM UTC
Duration
1h 29m
Affected: Substack publicationsWriter dashboardsSubstack.com
Timeline · 7 updates
  1. investigating Aug 23, 2024, 05:36 PM UTC

    We are investigating reports of increased errors and Latency from all Substack services.

  2. investigating Aug 23, 2024, 05:50 PM UTC

    We have identified the cause of the issue and are working toward resolution. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.

  3. identified Aug 23, 2024, 06:05 PM UTC

    We are continuing to work toward resolution. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.

  4. identified Aug 23, 2024, 06:29 PM UTC

    We are continuing to work toward resolution and anticipate recovery starting shortly. At this time Substack is experiencing degraded performance across the web and Substack app. We are working to resolve as soon as possible.

  5. identified Aug 23, 2024, 06:35 PM UTC

    We are beginning to see recovery across Substack. We are continuing to work toward full resolution.

  6. monitoring Aug 23, 2024, 06:37 PM UTC

    Substack is operating normally. We are continuing to monitor.

  7. resolved Aug 23, 2024, 07:06 PM UTC

    This incident has been resolved and Substack is operating normally.

Read the full incident report →