Some customers are experiencing data processing delays

What to do

• Check whether you use Customer.io Data Processing in eu. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 2h 26m it lasted.

  Anything that failed between 2026-07-15 17:19 UTC and 2026-07-15 19:46 UTC may need a replay.

• Subscribe to Customer.io's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=customerio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Customer.io 4

1. investigatingJul 15, 2026, 5:19 PM UTC

   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.

   provider

2. identifiedJul 15, 2026, 5:35 PM UTC

   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.

   provider

3. monitoringJul 15, 2026, 5:51 PM UTC

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

   provider

4. resolvedJul 15, 2026, 7:46 PM UTC

   This incident is resolved. Thank you for your patience!

   provider

Corrections

None so far.

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