Customer.io incident
Customers in the EU region may experience delays in message sending
Customer.io experienced a minor incident on May 25, 2026 affecting Message Sending, lasting 42m. The incident has been resolved; the full update timeline is below.
Affected components
Message Sending
Update timeline
- investigating May 25, 2026, 03:27 PM UTC
We are currently investigating this issue.
- monitoring May 25, 2026, 03:58 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved May 25, 2026, 04:10 PM UTC
This incident has been resolved.