# Customer.io: Some US customers may experience delays in message sending

> Customer.io reports delays in message sending for some customers in the US. The Message Sending component is affected. Customer.io reports that the incident is resolved.

- Provider: [Customer.io](https://outages.cc/customerio.md)
- Type: Incident
- State: resolved
- Worst impact: Degraded performance
- Started: 2026-09-19 22:50 UTC
- Components: Message Sending
- Official update: https://stspg.io/55whld52j1hp

## Updates from Customer.io

### resolved, 2026-11-01 17:18 UTC

This incident has been resolved.