Outage in Customer.io
Some customers are experiencing data processing and message-sending delays
Resolved MinorIncident Report
Summary AI Generated
A subset of Customer.io users in the US region experienced data processing and message-sending delays lasting approximately 1.4 hours. Engineers identified the root cause and deployed a fix, after which delayed backlogs were fully processed. The incident was resolved with all systems returning to normal operation.
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.
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Latest Updates ( sorted recent to last )
RESOLVED
4 days ago - at 07/20/2026 10:58PM
This incident has been resolved and all backlogs have been processed.
MONITORING
4 days ago - at 07/20/2026 10:38PM
A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.
IDENTIFIED
4 days ago - at 07/20/2026 10:29PM
The issue has been identified and we're working on a fix. Thank you for your patience.
INVESTIGATING
4 days ago - at 07/20/2026 10:02PM
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.
Latest Customer.io outages
Delays in message sending - 4 days ago
Delays processing send events in some environments - 14 days ago
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