Aug <var data-var='date'>30</var>, <var data-var='time'>11:40</var> PDT Resolved - This incident has been resolved. Aug <var data-var='date'>30</var>, <var data-var='time'>10:22</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Aug <var data-var='date'>30</var>, <var data-var='time'>08:59</var> PDT Identified - The issue has been identified and a fix is being implemented. Aug <var data-var='date'>30</var>, <var data-var='time'>08:17</var> PDT Investigating - Posts and notes are sending, but delivery stats are experiencing delays.

Delays in post delivery stats

Aug <var data-var='date'>17</var>, <var data-var='time'>21:54</var> PDT Resolved - This incident has been resolved. Aug <var data-var='date'>17</var>, <var data-var='time'>21:23</var> PDT Investigating - We are currently investigating this issue.

Issues loading Notes

Jul <var data-var='date'>16</var>, <var data-var='time'>09:01</var> PDT Resolved - This incident has been resolved. Jul <var data-var='date'>16</var>, <var data-var='time'>04:22</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Jul <var data-var='date'>16</var>, <var data-var='time'>03:06</var> PDT Investigating - We're aware of an issue affecting how some media loads on Substack (particularly images).

Issues loading media on Substack

Jun <var data-var='date'> 3</var>, <var data-var='time'>07:50</var> PDT Resolved - This incident has been resolved. Jun <var data-var='date'> 3</var>, <var data-var='time'>07:16</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'> 3</var>, <var data-var='time'>06:58</var> PDT Investigating - We are experiencing delays in post email delivery due to an outage from a third party service provider.

Delays in post delivery

May <var data-var='date'>13</var>, <var data-var='time'>22:39</var> PDT Completed - The scheduled maintenance has been completed. May <var data-var='date'>13</var>, <var data-var='time'>22:28</var> PDT Verifying - Verification is currently underway for the maintenance items. May <var data-var='date'>13</var>, <var data-var='time'>22:00</var> PDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May <var data-var='date'>11</var>, <var data-var='time'>20:37</var> PDT Scheduled - We will be performing a maintenance on the database. Expected downtime is about 5 minutes.

Scheduled database maintenance

May <var data-var='date'>11</var>, <var data-var='time'>10:55</var> PDT Resolved - This incident has been resolved. Mar <var data-var='date'>27</var>, <var data-var='time'>15:20</var> PDT Investigating - We’re investigating an issue affecting reported open rates for some publishers. Current evidence suggests this is related to how Gmail loads tracking pixels, and does not indicate a change in engagement or deliverability. We take responsibility for ensuring these metrics are accurate and are prioritizing improvements to our open rate tracking so this is resolved as quickly as possible. We will continue to provide updates here as we learn more.

Issue with reported open rates

Apr <var data-var='date'>22</var>, <var data-var='time'>13:48</var> PDT Resolved - This incident has been resolved. Apr <var data-var='date'>22</var>, <var data-var='time'>12:45</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Apr <var data-var='date'>22</var>, <var data-var='time'>12:36</var> PDT Identified - The issue has been identified and a fix is being implemented. Apr <var data-var='date'>22</var>, <var data-var='time'>12:12</var> PDT Investigating - We are experiencing an issue with a provider.

Service degraded due to a provider.

Feb <var data-var='date'>26</var>, <var data-var='time'>19:35</var> PST Resolved - This incident has been resolved. Feb <var data-var='date'>26</var>, <var data-var='time'>16:41</var> PST Identified - The issue has been identified and a fix is being implemented.

We're aware of an issue causing delays in publisher stats

Feb <var data-var='date'>26</var>, <var data-var='time'>15:43</var> PST Resolved - This incident has been resolved. Feb <var data-var='date'>26</var>, <var data-var='time'>15:40</var> PST Identified - The issue has been identified and a fix is being implemented. Feb <var data-var='date'>26</var>, <var data-var='time'>15:10</var> PST Investigating - We're aware of an issue affecting loading publisher stats

Publisher Stats Loading

Feb <var data-var='date'>12</var>, <var data-var='time'>16:31</var> PST Resolved - This incident has been resolved. Feb <var data-var='date'>12</var>, <var data-var='time'>15:43</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Feb <var data-var='date'>12</var>, <var data-var='time'>15:42</var> PST Identified - The issue has been identified and a fix is being implemented. Feb <var data-var='date'>12</var>, <var data-var='time'>15:25</var> PST Investigating - We are currently investigating this issue.

Substack Availability Issues

Feb <var data-var='date'>11</var>, <var data-var='time'>07:45</var> PST Resolved - This incident has been resolved. Feb <var data-var='date'>11</var>, <var data-var='time'>07:15</var> PST Monitoring - All Substack services have been restored and error rates and latency have returned to normal levels. Our team is continuing to monitor. Feb <var data-var='date'>11</var>, <var data-var='time'>07:10</var> PST Update - We have deployed a fix and are continuing to see recovery. Feb <var data-var='date'>11</var>, <var data-var='time'>06:57</var> PST Update - We are continuing to work on a fix for this issue. Feb <var data-var='date'>11</var>, <var data-var='time'>06:53</var> PST Update - We are continuing to work to restore service. Currently all Substack clients and services are experiencing elevated error rates and degraded performance. Feb <var data-var='date'>11</var>, <var data-var='time'>06:41</var> PST Identified - We've identified the issue and are deploying changes to address. Feb <var data-var='date'>11</var>, <var data-var='time'>06:24</var> PST Investigating - We are investigating an issue loading substack.com

Jan <var data-var='date'>15</var>, <var data-var='time'>04:50</var> PST Resolved - This incident has been resolved. Jan <var data-var='date'>15</var>, <var data-var='time'>04:47</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Jan <var data-var='date'>15</var>, <var data-var='time'>04:35</var> PST Investigating - We're currently investigating an issue affecting load times of notes and inboxes

Jan <var data-var='date'>14</var>, <var data-var='time'>12:47</var> PST Resolved - This incident has been resolved. Jan <var data-var='date'>14</var>, <var data-var='time'>11:25</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Jan <var data-var='date'>14</var>, <var data-var='time'>09:38</var> PST Investigating - Substack is experiencing elevated latencies. We are working to investigate the issue.

Elevated latencies

Jan <var data-var='date'> 5</var>, <var data-var='time'>21:36</var> PST Resolved - This incident has been resolved. Jan <var data-var='date'> 5</var>, <var data-var='time'>09:17</var> PST Investigating - We're experiencing a delay in processing the automated read-alouds for posts in the apps.

Delays in audio read-aloud processing.

Dec <var data-var='date'>22</var>, <var data-var='time'>16:13</var> PST Resolved - This incident has been resolved. Dec <var data-var='date'>22</var>, <var data-var='time'>15:52</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Dec <var data-var='date'>22</var>, <var data-var='time'>15:31</var> PST Investigating - We are currently observing increased latency on Substack surfaces and are investigating the issue.

Substack is experiencing issues

Nov <var data-var='date'>18</var>, <var data-var='time'>07:16</var> PST Resolved - This incident has been resolved. Nov <var data-var='date'>18</var>, <var data-var='time'>06:45</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Nov <var data-var='date'>18</var>, <var data-var='time'>06:39</var> PST Investigating - We are experiencing issues caused by a service provider, some access to Substack might be limited

Nov <var data-var='date'> 5</var>, <var data-var='time'>09:38</var> PST Resolved - This incident has been resolved. Nov <var data-var='date'> 5</var>, <var data-var='time'>09:29</var> PST Monitoring - A fix has been implemented and we are monitoring the results. Nov <var data-var='date'> 5</var>, <var data-var='time'>08:52</var> PST Identified - We are experiencing delays due to a service provider outage.

Push notifications delayed on iOS

Oct <var data-var='date'>20</var>, <var data-var='time'>17:52</var> PDT Resolved - This incident has been resolved. Oct <var data-var='date'>20</var>, <var data-var='time'>14:50</var> PDT Monitoring - Scheduled post sends are operational and we have caught up with the backlog. Oct <var data-var='date'>20</var>, <var data-var='time'>09:51</var> PDT Update - We continue to experience delays with processing scheduled posts related to an outage from one of our service providers. Users can publish posts manually to bypass this. Our team is still investigating. Oct <var data-var='date'>20</var>, <var data-var='time'>07:12</var> PDT Identified - We are seeing recovery of our publisher dashboard functionality. Other service functions such as scheduled posts continue to be degraded. Oct <var data-var='date'>20</var>, <var data-var='time'>06:49</var> PDT Update - We are also seeing issues with publication dashboards including partial outages across the subscriber tab and some statistics. We are working to mitigate. Oct <var data-var='date'>20</var>, <var data-var='time'>06:41</var> PDT Investigating - We are experiencing delays with processing scheduled posts related to an outage from one of our service providers. Our team is investigating.

Post emails delayed

Oct <var data-var='date'> 4</var>, <var data-var='time'>13:29</var> PDT Resolved - This incident has been resolved. Oct <var data-var='date'> 4</var>, <var data-var='time'>12:22</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Oct <var data-var='date'> 4</var>, <var data-var='time'>09:25</var> PDT Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'> 4</var>, <var data-var='time'>09:06</var> PDT Investigating - We are experiencing delays in sending out email and push notifications for published posts.

Post notifications are delayed

Oct <var data-var='date'> 3</var>, <var data-var='time'>21:23</var> PDT Completed - The scheduled maintenance has been completed. Oct <var data-var='date'> 3</var>, <var data-var='time'>20:00</var> PDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct <var data-var='date'> 3</var>, <var data-var='time'>20:00</var> PDT Scheduled - We will be performing a maintenance on the database. Expected downtime is about 2 minutes.

Sep <var data-var='date'>20</var>, <var data-var='time'>09:25</var> PDT Resolved - This incident has been resolved. Sep <var data-var='date'>20</var>, <var data-var='time'>09:08</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Sep <var data-var='date'>20</var>, <var data-var='time'>07:42</var> PDT Investigating - We are currently investigating this issue.

Post email delivery is delayed

Sep <var data-var='date'>15</var>, <var data-var='time'>12:12</var> PDT Resolved - This incident has been resolved. Sep <var data-var='date'>15</var>, <var data-var='time'>11:39</var> PDT Monitoring - Substack is operating normally and our team is monitoring. Sep <var data-var='date'>15</var>, <var data-var='time'>10:43</var> PDT Identified - We are seeing recurrence of increased error rates and degraded performance across Substack. Sep <var data-var='date'>15</var>, <var data-var='time'>09:53</var> PDT Update - As part of the earlier incident, we are noting delays in analytics updating and post email delivery. We are working to resolve the issue. Sep <var data-var='date'>15</var>, <var data-var='time'>09:46</var> PDT Monitoring - We are seeing recovery of performance across Substack and are monitoring the issue. Sep <var data-var='date'>15</var>, <var data-var='time'>09:38</var> PDT Update - We are working to resolve the remaining performance issues across Substack and expect to see recovery shortly. Sep <var data-var='date'>15</var>, <var data-var='time'>08:50</var> PDT Update - We are continuing to investigate increased latency and error rates across Substack. Sep <var data-var='date'>15</var>, <var data-var='time'>08:42</var> PDT Identified - We have identified an issue and are seeing normal performance across all systems. Sep <var data-var='date'>15</var>, <var data-var='time'>08:34</var> PDT Update - We are continuing to investigate increased latency and error rates across Substack. Sep <var data-var='date'>15</var>, <var data-var='time'>08:24</var> PDT Investigating - We are currently investigating reports of increased latency and slow response times across Substack.

Substack experiencing increased latency

Aug <var data-var='date'>30</var>, <var data-var='time'>09:32</var> PDT Resolved - This incident has been resolved. Aug <var data-var='date'>30</var>, <var data-var='time'>09:30</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Aug <var data-var='date'>30</var>, <var data-var='time'>09:17</var> PDT Identified - We are investigating a delay in the sending of scheduled posts.

Delay in sending scheduled posts

Aug <var data-var='date'>26</var>, <var data-var='time'>07:45</var> PDT Resolved - This incident has been resolved. Aug <var data-var='date'>26</var>, <var data-var='time'>07:06</var> PDT Investigating - We are experiencing an issue with a service provider that is causing livestream creation to be broken.

Livestream creation not working

Aug <var data-var='date'>11</var>, <var data-var='time'>09:35</var> PDT Resolved - This incident has been resolved. Aug <var data-var='date'>11</var>, <var data-var='time'>09:27</var> PDT Monitoring - A fix has been implemented and we are monitoring the results. Aug <var data-var='date'>11</var>, <var data-var='time'>09:15</var> PDT Investigating - We are currently investigating this issue.

Is Substack down?

Substack status is UP

Lastest published events

Delays in post delivery stats

Issues loading Notes

Issues loading media on Substack

Substack Services, Components and Regions

Recent Substack events

Delays in post delivery stats

Issues loading Notes

Issues loading media on Substack

Delays in post delivery

Scheduled database maintenance

Issue with reported open rates