Live status / Work & productivity

Customer.io is operating normally.

Customer.io is operating normally.

Signal updated 3h ago · Sep 17, 2026, 6:05 PM UTC

OperationalOfficial signal: none

Affected surface

Components

07 components
Javascript TrackerOfficial componentOperational
Data CollectionOfficial componentOperational
Data ProcessingOfficial componentOperational
Message SendingOfficial componentOperational
Management InterfaceOfficial componentOperational
Knowledge BaseOfficial componentOperational
Third-Party ServicesOfficial componentOperational

0 of 7 affected

Last 30 days · Status timeline

What changed

35 updates
  1. 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.

  2. 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.

  3. Resolved

    This incident has been resolved and any delays have been fully mitigated.

  4. 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.

  5. 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.

  6. Monitoring

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

  7. Resolved

    This incident is resolved. Thank you for your patience!

  8. Investigating

    Our team is currently investigating an issue delaying message sending in the US and EU regions

  9. Monitoring

    A fix has been implemented and we're monitoring the results.

  10. Resolved

    This incident has been resolved.

  11. 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.

  12. Identified

    The issue has been identified and we're working on a fix. Thank you for your patience.

  13. Monitoring

    A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.

  14. Resolved

    This incident has been resolved and all backlogs have been processed.

  15. Investigating

    Our team is looking into a problem affecting UI slowness and processing delays for some EU customers.

  16. 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

  17. Monitoring

    A fix has been deployed, and we are recovering any delayed backlogs. We are continuing to monitor the results.

  18. Resolved

    This incident has been resolved. Thanks a lot for your patience while we worked on a fix here.

  19. 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.

  20. Identified

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

  21. Monitoring

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

  22. Resolved

    This incident is resolved.

  23. 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.

  24. Investigating

    We are continuing to investigate this issue.

  25. Resolved

    This incident has been resolved. Thanks for your patience.

  26. Investigating

    We are currently investigating this issue.

  27. Monitoring

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

  28. Monitoring

    We are continuing to monitor for any further issues.

  29. Resolved

    This incident has been resolved.

  30. 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.

  31. Monitoring

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

  32. Resolved

    This incident has been resolved.

  33. 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!

  34. 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.

  35. 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.