Sep <var data-var='date'>19</var>, <var data-var='time'>23:17</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>19</var>, <var data-var='time'>23:10</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Sep <var data-var='date'>19</var>, <var data-var='time'>22:52</var> UTC Identified - The issue has been identified and a fix is being implemented. Sep <var data-var='date'>19</var>, <var data-var='time'>22:50</var> UTC Investigating - We are currently investigating this issue.

Some US customers may experience delays in message sending

Sep <var data-var='date'> 4</var>, <var data-var='time'>13:35</var> UTC Resolved - Microsoft has resolved the underlying issue, we are seeing deliveries to their services resume as normal. Earlier bounces will be retried accordingly. We appreciate your understanding and please do reach out to support if you need any further assistance. Sep <var data-var='date'> 4</var>, <var data-var='time'>12:30</var> UTC Monitoring - Starting around 08:00 UTC, Microsoft began experiencing an incident causing an increased volume of deferred/bounced emails. We are actively monitoring the situation. No other email providers are currently affected. Sep <var data-var='date'> 4</var>, <var data-var='time'>12:16</var> UTC Investigating - We are currently investigating reports of reduced deliverability affecting messages sent to Microsoft-hosted email addresses. Our team is actively looking into this and we will provide an update as soon as we have more information. Thank you for your patience!

Reduced Deliverability to Microsoft-Hosted Email Addresses

Sep <var data-var='date'> 3</var>, <var data-var='time'>17:34</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'> 3</var>, <var data-var='time'>17:32</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Sep <var data-var='date'> 3</var>, <var data-var='time'>17:29</var> UTC Identified - Our team has found an issue causing degraded experiences for interactions with the Agent within customer.io. We are working on a fix now.

Investigating issues with the Agent

Aug <var data-var='date'> 5</var>, <var data-var='time'>18:02</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'> 5</var>, <var data-var='time'>17:44</var> UTC Update - We are continuing to monitor for any further issues. Aug <var data-var='date'> 5</var>, <var data-var='time'>17:44</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Aug <var data-var='date'> 5</var>, <var data-var='time'>17:36</var> UTC Investigating - We are currently investigating this issue.

Customer.io UI is inaccessible

Aug <var data-var='date'> 3</var>, <var data-var='time'>07:42</var> UTC Resolved - This incident has been resolved. Thanks for your patience. Aug <var data-var='date'> 3</var>, <var data-var='time'>07:20</var> UTC Update - We are continuing to investigate this issue. Aug <var data-var='date'> 3</var>, <var data-var='time'>07:08</var> UTC Investigating - Our team is currently investigating an issue that is causing some delays in data processing. This impacts a small subset of customers in the US datacentre.

Delays in processing and UI inaccessible for some customers in the US datacentre

Jul <var data-var='date'>31</var>, <var data-var='time'>14:39</var> UTC Resolved - This incident is resolved. Jul <var data-var='date'>31</var>, <var data-var='time'>14:33</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'>14:29</var> UTC Identified - The issue has been identified and a fix is being implemented. Jul <var data-var='date'>31</var>, <var data-var='time'>14:24</var> UTC Investigating - We are currently investigating an issue impacting access to EU accounts and API access. There is no impact with data processing or data loss.

Issues accessing EU accounts

Jul <var data-var='date'>23</var>, <var data-var='time'>10:04</var> UTC Resolved - This incident has been resolved. Thanks a lot for your patience while we worked on a fix here. Jul <var data-var='date'>23</var>, <var data-var='time'>09:29</var> UTC Monitoring - A fix has been deployed, and we are recovering any delayed backlogs. We are continuing to monitor the results. Jul <var data-var='date'>23</var>, <var data-var='time'>09:16</var> UTC Identified - A fix has been implemented and we are monitoring the results. Thanks for your patience and we'll continue to update as we make progress Jul <var data-var='date'>23</var>, <var data-var='time'>08:27</var> UTC Investigating - Our team is looking into a problem affecting UI slowness and processing delays for some EU customers.

Some EU users are experiencing delays in processing

Jul <var data-var='date'>20</var>, <var data-var='time'>22:58</var> UTC Resolved - This incident has been resolved and all backlogs have been processed. Jul <var data-var='date'>20</var>, <var data-var='time'>22:38</var> UTC Monitoring - A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results. Jul <var data-var='date'>20</var>, <var data-var='time'>22:29</var> UTC Identified - The issue has been identified and we're working on a fix. Thank you for your patience. Jul <var data-var='date'>20</var>, <var data-var='time'>21:35</var> UTC Investigating - Our engineers are currently looking into an issue that is causing data processing and message-sending delays for a small subset of customers in the US region. We apologise for any inconvenience caused.

Some customers are experiencing data processing and message-sending delays

Jul <var data-var='date'>20</var>, <var data-var='time'>17:47</var> UTC Resolved - This incident has been resolved. Jul <var data-var='date'>20</var>, <var data-var='time'>17:41</var> UTC Monitoring - A fix has been implemented and we're monitoring the results. Jul <var data-var='date'>20</var>, <var data-var='time'>17:07</var> UTC Investigating - Our team is currently investigating an issue delaying message sending in the US and EU regions

Delays in message sending

Jul <var data-var='date'>15</var>, <var data-var='time'>19:46</var> UTC Resolved - This incident is resolved. Thank you for your patience! Jul <var data-var='date'>15</var>, <var data-var='time'>17:51</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul <var data-var='date'>15</var>, <var data-var='time'>17:35</var> UTC Identified - We've identified the cause of the event processing delays and our team is working on a fix. Thank you for your patience and we'll update again as we make progress. Jul <var data-var='date'>15</var>, <var data-var='time'>17:19</var> UTC Investigating - Our engineers are currently looking into an issue that is causing data processing delays for some customers in our EU region. Thank you for patience and we apologize for the inconvenience.

Some customers are experiencing data processing delays

Jul <var data-var='date'>10</var>, <var data-var='time'>18:08</var> UTC Resolved - This incident has been resolved and any delays have been fully mitigated. Jul <var data-var='date'>10</var>, <var data-var='time'>17:45</var> UTC Monitoring - A fix has been deployed and we are processing through any delay backlogs. We are continuing to monitor but expect delays to reduce shortly. Jul <var data-var='date'>10</var>, <var data-var='time'>17:28</var> UTC Identified - We're monitoring increased load on our backend that is causing a delay in processing sends. We are actively monitoring the issue and will share updates accordingly.

Delays processing send events in some environments

Jul <var data-var='date'> 3</var>, <var data-var='time'>11:09</var> UTC Resolved - This incident has been resolved. The Customer.io UI is available, and data processing has recovered to normal operating levels. We will continue internal follow-up and remediation work. Thank you for your patience. Jul <var data-var='date'> 3</var>, <var data-var='time'>10:25</var> UTC Monitoring - Processing is actively recovering. We apologize for the disruption this caused and will continue monitoring until it's fully caught up. Jul <var data-var='date'> 3</var>, <var data-var='time'>09:44</var> UTC Identified - The Customer.io UI is back online. We're continuing to work on system stability to confirm the issue is fully resolved. Processing is recovering but still delayed Jul <var data-var='date'> 3</var>, <var data-var='time'>09:07</var> UTC Investigating - Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable for some users in EU. We're also looking into potential data processing delays.

User Interface is currently unavailable for some users in EU. Data processing delays

Jul <var data-var='date'> 2</var>, <var data-var='time'>14:16</var> UTC Resolved - This incident has been resolved. Jul <var data-var='date'> 2</var>, <var data-var='time'>13:59</var> UTC Monitoring - The UI is back up and delays are actively recovering. We sincerely apologize for the inconvenience and appreciate your patience. Jul <var data-var='date'> 2</var>, <var data-var='time'>13:51</var> UTC Investigating - Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable. We're also looking into potential data processing delays.

User Interface is currently unavailable, data processing delays

Jun <var data-var='date'>18</var>, <var data-var='time'>20:34</var> UTC Resolved - This incident has been resolved. Jun <var data-var='date'>18</var>, <var data-var='time'>20:29</var> UTC Monitoring - We've identified the issue and access to the Billing page has been restored. We thank you for your patience! Jun <var data-var='date'>18</var>, <var data-var='time'>20:06</var> UTC Investigating - We're looking into an issue where https://fly.customer.io/settings/billing/ isn't loading for some customers. We apologize for the inconvenience.

Some customers are currently unable to access the account Billing page in our UI

Jun <var data-var='date'>14</var>, <var data-var='time'>00:00</var> UTC Resolved - This incident has been resolved. Jun <var data-var='date'>13</var>, <var data-var='time'>23:46</var> UTC Monitoring - A fix has been implemented and the systems are recovering. We are monitoring UI for any other issue. Jun <var data-var='date'>13</var>, <var data-var='time'>22:21</var> UTC Identified - The team has identified the issue and is actively working on a fix Jun <var data-var='date'>13</var>, <var data-var='time'>21:18</var> UTC Investigating - We are aware of an issue affecting access to our web application. Customers may encounter ERR_CONNECTION_REFUSED when attempting to access the UI. At this time, we are not aware of any impact beyond UI accessibility. Message processing and delivery continue to operate normally. Our team is actively investigating the issue and working to restore full service as quickly as possible. We will provide updates as more information becomes available.

Investigating Connectivity Issues

Jun <var data-var='date'>10</var>, <var data-var='time'>05:17</var> UTC Resolved - This incident has been resolved. Jun <var data-var='date'>10</var>, <var data-var='time'>05:15</var> UTC Monitoring - 5% of our customers could have experience delays up to 40minutes, but going forward everything is working correctly Jun <var data-var='date'>10</var>, <var data-var='time'>04:56</var> UTC Update - Identified the issue, still processing backlog Jun <var data-var='date'>10</var>, <var data-var='time'>04:45</var> UTC Investigating - Our team is aware of an issue affecting Customer IO EU and US systems . We are looking into this and gathering more details.

Delays in processing requests

Jun <var data-var='date'> 9</var>, <var data-var='time'>16:56</var> UTC Resolved - This incident has been resolved. Thank you for your patience! Jun <var data-var='date'> 9</var>, <var data-var='time'>16:47</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'> 9</var>, <var data-var='time'>16:33</var> UTC Identified - Our engineers have identified the issue that is causing disruption. We are working on a resolution and will provide an update shortly. Thank you for your patience. Jun <var data-var='date'> 9</var>, <var data-var='time'>15:49</var> UTC Investigating - We are currently investigating an issue affecting our AI Agent and LLM actions within campaigns. Some customers may be experiencing disruption or delays with these features. We will provide an update as soon as we have more information. Thank you for your patience!

AI Agent and LLM Campaign Actions Disruption

Jun <var data-var='date'> 5</var>, <var data-var='time'>13:35</var> UTC Resolved - This incident has been resolved. Jun <var data-var='date'> 5</var>, <var data-var='time'>13:12</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. Jun <var data-var='date'> 5</var>, <var data-var='time'>12:30</var> UTC Investigating - We are currently investigating a delay affecting the setup of Pipelines in newly created workspaces in our EU region. Customers creating new workspaces may experience longer than expected wait times before Pipelines become available. Our team is actively working on this and we will post another update shortly. Thank you for your patience.

Some customers seeing delays setting up Pipelines in new EU workspaces

Jun <var data-var='date'> 5</var>, <var data-var='time'>01:15</var> UTC Resolved - We confirm the incident is resolved. Thank you for your patience! Jun <var data-var='date'> 5</var>, <var data-var='time'>00:44</var> UTC Monitoring - We have rolled out a fix and we're monitoring closely. Jun <var data-var='date'> 4</var>, <var data-var='time'>23:50</var> UTC Identified - We've identified an issue affecting some EU customers' Salesforce and Hubspot syncs. Our team is working on a fix.

Salesforce and Hubspot syncs might be delayed for some EU customers

Jun <var data-var='date'> 4</var>, <var data-var='time'>13:42</var> UTC Resolved - This incident has been resolved. Jun <var data-var='date'> 4</var>, <var data-var='time'>13:39</var> UTC Monitoring - We've got a fix in place, and the UI is available once again. Thank you for your patience! Jun <var data-var='date'> 4</var>, <var data-var='time'>13:34</var> UTC Investigating - Our team is aware of this issue and are digging into it right now. We apologize for the inconvenience and will be back with an update as soon as possible.

Customer.io UI is currently inaccessible

Jun <var data-var='date'> 2</var>, <var data-var='time'>22:57</var> UTC Resolved - The issues affecting the UI have been resolved, and the system is functioning normally. Jun <var data-var='date'> 2</var>, <var data-var='time'>22:43</var> UTC Monitoring - We have rolled out a fix for the remaining UI-related issues and are watching system behavior closely. Jun <var data-var='date'> 2</var>, <var data-var='time'>22:25</var> UTC Identified - Our team has identified additional UI-related issues affecting some customers. We are working on a fix now. Jun <var data-var='date'> 2</var>, <var data-var='time'>21:33</var> UTC Monitoring - A fix has been deployed for the issue affecting access to the UI. We are monitoring performance and customer feedback. Jun <var data-var='date'> 2</var>, <var data-var='time'>21:18</var> UTC Investigating - Our team is aware of an issue affecting access to the Customer.io UI and we are working to identify the cause.

UI inaccessible

Jun <var data-var='date'> 1</var>, <var data-var='time'>12:11</var> UTC Resolved - We have confirmed that the incident has been resolved and all Reverse ETL syncs are running as expected. Thanks for your patience! Jun <var data-var='date'> 1</var>, <var data-var='time'>11:44</var> UTC Monitoring - A fix has been deployed for the issue affecting Reverse ETL syncs in EU workspaces. We are continuing to monitor this. Jun <var data-var='date'> 1</var>, <var data-var='time'>11:40</var> UTC Investigating - We are currently investigating an issue affecting Reverse ETL syncs for some EU customers.

Reverse ETL Syncs not being run for some EU Customers

May <var data-var='date'>29</var>, <var data-var='time'>17:08</var> UTC Resolved - We have confirmed that this incident is now resolved. Thank you very much for your patience! May <var data-var='date'>29</var>, <var data-var='time'>16:51</var> UTC Monitoring - We have a resolution in place and are monitoring message throughput recovery now. Thank you for your patience! May <var data-var='date'>29</var>, <var data-var='time'>16:40</var> UTC Identified - We've identified the issue and are working towards a resolution now. May <var data-var='date'>29</var>, <var data-var='time'>16:26</var> UTC Investigating - Our engineers are aware of an issue where messages may be showing as "queued". We're investigating this now. Thank you for your patience!

Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks)

May <var data-var='date'>25</var>, <var data-var='time'>16:10</var> UTC Resolved - This incident has been resolved. May <var data-var='date'>25</var>, <var data-var='time'>15:58</var> UTC Monitoring - A fix has been implemented and we are monitoring the results. May <var data-var='date'>25</var>, <var data-var='time'>15:27</var> UTC Investigating - We are currently investigating this issue.

Customers in the EU region may experience delays in message sending

May <var data-var='date'> 6</var>, <var data-var='time'>16:26</var> UTC Resolved - This incident has been resolved. May <var data-var='date'> 6</var>, <var data-var='time'>16:14</var> UTC Monitoring - The UI is available as expected, and we are monitoring before marking this as fully resolved. Thank you again for your patience! May <var data-var='date'> 6</var>, <var data-var='time'>16:00</var> UTC Identified - Our engineers are looking into an issue where some workspaces aren't loading as expected. Processing and deliveries may be delayed. We're working to get this resolved and will post an update soon. Thank you for your patience!

Is Customer.io down?

Customer.io status is UP

Lastest published events

Some US customers may experience delays in message sending

Reduced Deliverability to Microsoft-Hosted Email Addresses

Investigating issues with the Agent

Customer.io Services, Components and Regions

Recent Customer.io events

Some US customers may experience delays in message sending

Reduced Deliverability to Microsoft-Hosted Email Addresses

Investigating issues with the Agent

Customer.io UI is inaccessible

Delays in processing and UI inaccessible for some customers in the US datacentre

Issues accessing EU accounts