Customer.io incident
Some customers in the US are experiencing delays
Customer.io experienced a minor incident on September 30, 2025 affecting Data Processing and Message Sending, lasting 9m. The incident has been resolved; the full update timeline is below.
Affected components
Data ProcessingMessage Sending
Update timeline
- identified Sep 30, 2025, 09:10 PM UTC
We have identified an issue that may cause some customers with accounts in the US to experience delays with data processing and message sending, as well as UI errors. We are working on a fix, and services should be back to normal shortly.
- monitoring Sep 30, 2025, 09:16 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 30, 2025, 09:20 PM UTC
This incident has been resolved.