Outage in Customer.io
Delays in message sending
Resolved MajorIncident Report
Summary AI Generated
**Customer.io experienced a 47-minute major incident on July 20, 2026, causing delays in message sending across both US and EU regions.** The team identified the issue, implemented a fix, and monitored results before confirming full resolution. No messages were reported as lost, only delayed during the affected window.
Our team is currently investigating an issue delaying message sending in the US and EU regions
Components affected
Customer.io Message SendingTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
4 days ago - at 07/20/2026 05:47PM
This incident has been resolved.
MONITORING
4 days ago - at 07/20/2026 05:41PM
A fix has been implemented and we're monitoring the results.
INVESTIGATING
4 days ago - at 07/20/2026 05:07PM
Our team is currently investigating an issue delaying message sending in the US and EU regions
Latest Customer.io outages
Delays processing send events in some environments - 14 days ago
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