Customer.io incident
Some customers are experiencing data processing and message-sending delays
Resolved after 1 hour 22 minutes, affecting Data Processing and Message Sending, on July 20, 2026.
A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.
Affected components
Update timeline
- investigating Jul 20, 2026, 10:02 PM UTC
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.
- identified Jul 20, 2026, 10:29 PM UTC
The issue has been identified and we're working on a fix. Thank you for your patience.
- monitoring Jul 20, 2026, 10:38 PM UTC
A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.
- resolved Jul 20, 2026, 10:58 PM UTC
This incident has been resolved and all backlogs have been processed.
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