Jun <var data-var='date'>10</var>, <var data-var='time'>20:45</var> UTC Resolved - Services have returned to normal. A root cause analysis will be published in the coming days. If you believe you were impacted and would like to speak with us, please report impact to support@pubnub.com. Jun <var data-var='date'>10</var>, <var data-var='time'>20:27</var> UTC Monitoring - The PubNub Technical Staff identified that failures are limited to publishes from US-East and has identified, have applied a fix, and are now monitoring the results. If you are experiencing issues that you believe to be related to this incident, please report the details to PubNub Support (support@pubnub.com). Jun <var data-var='date'>10</var>, <var data-var='time'>20:14</var> UTC Investigating - Starting at 17:00 UTC on June 10, a subset of publishes originating from the North America POP failed to replicate to subscribers globally. PubNub Technical Staff is investigating, and more information will be posted as it becomes available.

Replication failures

Jun <var data-var='date'> 9</var>, <var data-var='time'>14:00</var> UTC Resolved - From 13:20 to 13:48 UTC, users globally may have experienced errors with failure on Publish, and published messages may not have been received by subscribers. We also experienced errors and failures with PubNub Functions, and delays with Events & Actions during the period. Services have returned to normal and we are actively monitoring. A root cause analysis will be published in the coming days. If you believe you were impacted and would like to speak with us, please report impact to support@pubnub.com.

Global Errors and Failures with Publish and Functions, Delays with Events & Actions

Mar <var data-var='date'>24</var>, <var data-var='time'>21:12</var> UTC Resolved - The incident has been resolved. If you believe you were impacted by the incident and wish to discuss it with our team, please contact us by email at support@pubnub.com Mar <var data-var='date'>24</var>, <var data-var='time'>20:21</var> UTC Investigating - As of 19:27 UTC, we are investigating reports of connectivity issues affecting a subset of subscriptions across several global regions. While the majority of the PubNub network is operating normally, users on the affected segment may experience: - Connection delays and increased latency. - Intermittent errors when subscribing to channels. Our engineering team has identified the cause and is actively working to restore stability. We will provide updates as soon as more information is available.

Connectivity Issues Affecting a Subset of Subscriptions

Mar <var data-var='date'> 7</var>, <var data-var='time'>08:00</var> UTC Completed - The scheduled maintenance has been completed. Mar <var data-var='date'> 7</var>, <var data-var='time'>05:05</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'> 4</var>, <var data-var='time'>20:00</var> UTC Scheduled - The PubNub Admin Portal (admin.pubnub.com) will be undergoing a 3 hour scheduled maintenance on Saturday, March 7, 2026 from 5:00 AM UTC until 8:00 AM UTC. There will be NO interruption to the Messaging Platform and NO impact on end users. During the 3 hour window, customers may be intermittently unable to access the Admin Portal via UI or API as we upgrade databases in short 5-10min bursts. This includes creating/editing accounts, users, apps, keysets, functions, and any other task that requires use of the Admin Portal. If you have questions or concerns, please contact PubNub Support (support@pubnub.com) at least 24 hours prior to the the scheduled maintenance.

Scheduled Maintenance: PubNub Admin Portal

Jan <var data-var='date'> 1</var>, <var data-var='time'>01:00</var> UTC Resolved - The incident has been resolved. Published messages continue to be written to history storage normally. No messages were lost during the incident. If you believe you were impacted by the incident and wish to discuss it with our team, please contact us by email at support@pubnub.com Jan <var data-var='date'> 1</var>, <var data-var='time'>00:44</var> UTC Monitoring - A fix has been applied and we are monitoring the results. Published messages waiting on queue to be written to history have now been successfully written. We will continue to monitor for the next 15 minutes. Jan <var data-var='date'> 1</var>, <var data-var='time'>00:25</var> UTC Investigating - Starting at 12:13AM GMT, we began seeing delays in published messages being written to history storage. Users may be unable to access recently stored messages through History API calls. The messages will eventually be published. Our engineers are actively working to address the issue and we will provide updates here. If you feel your service has been impacted and you would like to discuss, please email support@pubnub.com.

Delay in Publishing Messages to Storage Globally

Nov <var data-var='date'>20</var>, <var data-var='time'>16:30</var> UTC Resolved - Increased errors (5XX) observed On Nov. 20, 2025 between 16:36 UTC and 16:48 UTC, publish and replication errors (5xx) were observed in North American and Asia Pacific regions, and immediately resolved. Please contact support@pubnub.com if you believe you were impacted by the issue and would like to discuss it with our team.

Increased errors observed and resolved

Oct <var data-var='date'>20</var>, <var data-var='time'>23:48</var> UTC Resolved - This incident has been fully resolved. Our infrastructure provider has restored normal operations, and all systems are functioning as expected. Service performance and reliability have returned to pre-event levels. PubNub continues to monitor systems closely to ensure ongoing stability and we will provide an RCA in in the next couple of day. Thank you for your patience and understanding throughout this event. If you experience any further issues, please reach out to PubNub Support. Oct <var data-var='date'>20</var>, <var data-var='time'>22:32</var> UTC Update - PubNub remains stable, and our infrastructure provider has restored normal service capacity. Systems are now operating at pre-event levels, and most dependent services are performing as expected. We continue to monitor closely and will share further updates as needed. Please contact PubNub Support if you experience any impact. Oct <var data-var='date'>20</var>, <var data-var='time'>20:25</var> UTC Monitoring - PubNub remains stable, and our infrastructure provider continues to make steady progress in restoring services. System performance and reliability are improving, and functionality across affected components is returning to normal levels. We continue to monitor closely and will share additional updates as recovery progresses. We will provide another update when there are any changes in status which we expect within the hour. Please contact PubNub Support if you experience any impact. Oct <var data-var='date'>20</var>, <var data-var='time'>19:06</var> UTC Update - Our status is the same: stable, and working with our infrastructure provider to restore services to their normal state. Our normal policy is to update every 30 minutes, but we will stop issuing this status; we will update this page when a change to the status occurs. As always, reach out to PubNub support with any issues. Oct <var data-var='date'>20</var>, <var data-var='time'>18:37</var> UTC Update - PubNub remains stable, with only minor issues being observed. Our infrastructure provider is making progress in restoring their services, with early signs of recovery in several regions. We continue to work closely with them as they complete mitigations across the remaining areas. Please reach out to PubNub Support if you experience any impact. Oct <var data-var='date'>20</var>, <var data-var='time'>18:00</var> UTC Update - PubNub continues to remains stable, with only minor issues being observed. Our infrastructure provider is making progress in restoring their services, with early signs of recovery in several regions. We continue to work closely with them as they complete mitigations across the remaining areas. Please reach out to PubNub Support if you experience any impact. Oct <var data-var='date'>20</var>, <var data-var='time'>17:25</var> UTC Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'>20</var>, <var data-var='time'>17:25</var> UTC Monitoring - PubNub remains stable and fully operational. Our infrastructure provider is continuing to apply mitigation steps to restore normal health across their network and related services. We are closely monitoring the situation and coordinating with them to ensure continued stability. Please reach out to PubNub Support if you experience any service issues. Oct <var data-var='date'>20</var>, <var data-var='time'>16:43</var> UTC Update - We are still stable, but seeing minor issues. We are still working with our infrastructure provider to address the remaining issues. Please reach out to PubNub support with any issues. Oct <var data-var='date'>20</var>, <var data-var='time'>15:13</var> UTC Update - We are still working with our infrastructure provider to mitigate the effects of the ongoing issues. We have been monitoring and handling traffic to minimize disruptions. While points of presence in the US may see slightly higher latencies, we are stable. Please reach out to PubNub support to report issues. Oct <var data-var='date'>20</var>, <var data-var='time'>14:41</var> UTC Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'>20</var>, <var data-var='time'>14:21</var> UTC Update - Apologies, but we are continuing to investigate this issue. Oct <var data-var='date'>20</var>, <var data-var='time'>13:47</var> UTC Update - We are continuing to investigate this issue. Oct <var data-var='date'>20</var>, <var data-var='time'>13:37</var> UTC Investigating - Beginning at 12:40 UTC, we observed increased latency and errors in our US-West region for multiple services. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Increased latency and errors observed in US-West

Oct <var data-var='date'>20</var>, <var data-var='time'>09:19</var> UTC Resolved - With no further issues observed for the past 30 minutes, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Oct <var data-var='date'>20</var>, <var data-var='time'>08:45</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Oct <var data-var='date'>20</var>, <var data-var='time'>07:58</var> UTC Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'>20</var>, <var data-var='time'>07:32</var> UTC Investigating - At approximately 07:02 UTC, PubNub services began experiencing elevated latencies and server errors in the US-West and US-East regions. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Elevated latencies and errors for multiple services in US-west and US East

Oct <var data-var='date'>17</var>, <var data-var='time'>08:06</var> UTC Resolved - There have been no further issues for the past 45 minutes. We are resolving this issue, and we will follow up with a post-mortem soon. Oct <var data-var='date'>17</var>, <var data-var='time'>07:08</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Oct <var data-var='date'>17</var>, <var data-var='time'>06:48</var> UTC Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'>17</var>, <var data-var='time'>06:42</var> UTC Investigating - We are currently investigating an incident that could lead to some missed messages by subscribers in the IAD region. All messages are being received and persisted, and can be retrieved from the Storage service. This incident started around 22:07 UTC (03:07 PDT) on 16th Oct 2025. We suspect a moderate impact. Please report any impact related to this incident to support@pubnub.com with any details that you can provide.

Potential for some missed messages for subscribers in IAD

Oct <var data-var='date'> 6</var>, <var data-var='time'>11:00</var> UTC Resolved - With no further issues observed, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Oct <var data-var='date'> 6</var>, <var data-var='time'>10:36</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Oct <var data-var='date'> 6</var>, <var data-var='time'>10:34</var> UTC Identified - The issue has been identified and a fix is being implemented. Oct <var data-var='date'> 6</var>, <var data-var='time'>10:13</var> UTC Investigating - At about 08:40 UTC, the Event & Action publish operation began to experience elevated error rates. Our Technical Staff is actively investigating, and more information will be posted as it becomes available. If you are experiencing issues that you believe are related to this incident, please report the details to PubNub Support (support@pubnub.com).

Elevated Event & Action Error In FRA Region

Sep <var data-var='date'> 7</var>, <var data-var='time'>19:02</var> UTC Resolved - The issues affected the Presence service from 18:14 - 18:17 UTC. We will follow up with a post-mortem soon. We apologize for the impact this may have had on your service. Please reach out to us by contacting PubNub Support (support@pubnub.com) if you wish to discuss the impact on your service. Sep <var data-var='date'> 7</var>, <var data-var='time'>18:45</var> UTC Monitoring - We experienced increased latencies and error rates in our Tokyo, San Jose, and Virginia points-of-presence from 18:14 - 18:17 UTC. A fix was deployed and we are monitoring the situation.

Increased Error Rate and Latency for Presence

Sep <var data-var='date'> 2</var>, <var data-var='time'>18:50</var> UTC Resolved - The issues affected the Presence service from 18:08 to 18:16 UTC. We will follow up with a post-mortem soon. We apologize for the impact this may have had on your service. Please reach out to us by contacting PubNub Support (support@pubnub.com) if you wish to discuss the impact on your service. Sep <var data-var='date'> 2</var>, <var data-var='time'>18:34</var> UTC Monitoring - At about 11:09, the Presence began to experience elevated latencies and error rates. PubNub Technical Staff is investigating and more information will be posted as it becomes available. If you are experiencing issues that you believe to be related to this incident, please report the details to PubNub Support (support@pubnub.com).

Presence is experiencing elevated latencies and error rates

Jul <var data-var='date'>31</var>, <var data-var='time'>23:14</var> UTC Resolved - With no further issues observed, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Jul <var data-var='date'>31</var>, <var data-var='time'>22:44</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul <var data-var='date'>31</var>, <var data-var='time'>22:36</var> UTC Identified - The issue has been identified and a fix is being implemented. We will provide updates here as progress is made. Jul <var data-var='date'>31</var>, <var data-var='time'>22:14</var> UTC Investigating - We have detected elevated error levels with the Presence service in multiple regions. Our Engineers are actively working to mitigate the issues and return service to normal levels. We will provide updates here. If you believe you have been impacted by the issue, please report impact to support@pubnub.com.

Presence service errors in multiple regions

Jul <var data-var='date'>24</var>, <var data-var='time'>15:30</var> UTC Resolved - Between 15:33-15:59 UTC we observed elevated levels of latency and errors with our presence service in our FRA region. The issue has been resolved and remains stable. We apologize for the impact this may have had on your service. Please reach out to us by contacting PubNub Support (support@pubnub.com) if you wish to discuss the impact on your service.

Elevated Presence Latency and Errors in FRA

Jul <var data-var='date'>22</var>, <var data-var='time'>18:18</var> UTC Resolved - Between 14:43-15:06 UTC we observed intermittent spikes in errors and latency with our presence service in our FRA region. The issue has been resolved and remains stable.

Intermittent Presence Latency Spikes in FRA

Jul <var data-var='date'> 8</var>, <var data-var='time'>18:16</var> UTC Resolved - With no further issues observed for the past 30 minutes, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Jul <var data-var='date'> 8</var>, <var data-var='time'>17:46</var> UTC Monitoring - Services have returned to normal and we will continue monitoring for the next 30 minutes. Jul <var data-var='date'> 8</var>, <var data-var='time'>17:39</var> UTC Update - We are continuing to investigate this issue. Jul <var data-var='date'> 8</var>, <var data-var='time'>17:36</var> UTC Investigating - At approximately 17:18 UTC, PubNub Presence services began experiencing elevated latencies and server errors in the Asia Pacific-North and US regions. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Increased Latency and Errors in Presence in the US (East and West) and AP-North regions

Jun <var data-var='date'>30</var>, <var data-var='time'>15:01</var> UTC Resolved - With no further issues observed, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Jun <var data-var='date'>30</var>, <var data-var='time'>14:19</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'>30</var>, <var data-var='time'>14:01</var> UTC Identified - The issue has been identified and a fix is being implemented. Jun <var data-var='date'>30</var>, <var data-var='time'>13:39</var> UTC Investigating - At approximately 13:11 UTC, PubNub services began experiencing elevated latencies and server errors in the Europe & North US region. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Increased errors and latency in FRA region

Jun <var data-var='date'>30</var>, <var data-var='time'>09:32</var> UTC Resolved - With no further issues observed, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Jun <var data-var='date'>30</var>, <var data-var='time'>08:43</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'>30</var>, <var data-var='time'>08:12</var> UTC Investigating - At approximately 07:30 UTC, PubNub services began experiencing elevated latencies and server errors in the Europe region. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Jun <var data-var='date'>29</var>, <var data-var='time'>17:15</var> UTC Resolved - On June 29, 2025 around 16:00 UTC we began seeing elevated latency and increased errors globally across all services. Our Engineers scaled-up resources and PubNub services returned to normal levels by 16:28 UTC.

Increased global errors and latency for all services

Jun <var data-var='date'>27</var>, <var data-var='time'>15:52</var> UTC Resolved - At approximately 14:02 - 14:09 UTC, PubNub services began experiencing elevated latencies and server errors in the Europe region. PubNub Technical Staff is investigated and the issue has resolved

Increased errors and latency in IAD region

Jun <var data-var='date'>27</var>, <var data-var='time'>11:00</var> UTC Resolved - At approximately 11:10 - 11:20 UTC, PubNub services began experiencing elevated latencies and server errors in the Virginia region. PubNub Technical Staff investigated, and the issues is no longer occuring.

Jun <var data-var='date'>27</var>, <var data-var='time'>10:38</var> UTC Resolved - With no further issues observed, the incident has been resolved. We will follow up soon with a root cause analysis. If you believe you experienced an impact related to this incident, please report it to PubNub Support at support@pubnub.com. Jun <var data-var='date'>27</var>, <var data-var='time'>10:06</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'>27</var>, <var data-var='time'>10:00</var> UTC Identified - The issue has been identified and a fix is being implemented. Jun <var data-var='date'>27</var>, <var data-var='time'>09:50</var> UTC Update - The PubNub Technical Staff continues to investigate. More updates will follow once available. Jun <var data-var='date'>27</var>, <var data-var='time'>09:21</var> UTC Investigating - At approximately 08:15 UTC, PubNub services began experiencing elevated latencies and server errors in the Europe region. PubNub Technical Staff is currently investigating, and more updates will follow once available.

Jun <var data-var='date'>10</var>, <var data-var='time'>18:30</var> UTC Resolved - Beginning at 18:33 UTC we observed increased latency and errors for our History service in one of our North America regions. Users in the affected region may have experienced failures with error or latency when making calls to the History endpoint. The issue has been resolved as of 19:07 UTC. We will publish a root cause analysis within the coming days. We sincerely apologize for any impact caused to your PubNub services. If you feel you have been impacted by the issue and wish to report it, please contact support@pubnub.com.

Elevated latency and errors for History service in US-East

Jun <var data-var='date'> 2</var>, <var data-var='time'>14:43</var> UTC Resolved - Starting at 12:20 UTC, we noticed an increase in errors and latency affecting the Presence service in the BOM and FRA regions. Our engineers investigated the issue and successfully restored the service completely, which has remained stable since 13:51 UTC.

Increased errors and latency for presence in FRA and BOM

May <var data-var='date'>22</var>, <var data-var='time'>21:34</var> UTC Resolved - Beginning at 20:51 UTC, we detected increased errors and latency for traffic within a single availability zone in the US East region. Our engineers investigated the issue and successfully restored service, which has remained stable since 21:04 UTC.

Is PubNub down?

PubNub status is UP

Lastest published events

Replication failures

Global Errors and Failures with Publish and Functions, Delays with Events & Actions

Connectivity Issues Affecting a Subset of Subscriptions

PubNub Services, Components and Regions

Recent PubNub events

Replication failures

Global Errors and Failures with Publish and Functions, Delays with Events & Actions

Connectivity Issues Affecting a Subset of Subscriptions

Scheduled Maintenance: PubNub Admin Portal

Delay in Publishing Messages to Storage Globally

Increased errors observed and resolved

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Is PubNub down?

PubNub status is UP

Lastest published events

Replication failures

Global Errors and Failures with Publish and Functions, Delays with Events & Actions

Connectivity Issues Affecting a Subset of Subscriptions

PubNub Services, Components and Regions

Recent PubNub events

Replication failures

Global Errors and Failures with Publish and Functions, Delays with Events & Actions

Connectivity Issues Affecting a Subset of Subscriptions

Scheduled Maintenance: PubNub Admin Portal

Delay in Publishing Messages to Storage Globally

Increased errors observed and resolved

Get your FREE account now,5 monitors included!

Get your FREE account now,
5 monitors included!