# Some US customers may experience delays in message sending

- Provider: [Customer.io](https://down.guide/customerio)
- Level: confirmed
- Impact: Degraded
- lasted 27m
- started 2026-09-19 22:50 UTC
- Message Sending
- us
- id: DWN-28ecf849ec
- Official page: https://stspg.io/55whld52j1hp

## Updates from Customer.io
### 2026-09-19 22:50 UTC: investigating
We are currently investigating this issue.

### 2026-09-19 22:52 UTC: identified
The issue has been identified and a fix is being implemented.

### 2026-09-19 23:10 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-09-19 23:17 UTC: resolved
This incident has been resolved.

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