# Elevated server-side TTFA for sonic-3.5 and sonic-3 in EU + US region

- Provider: [Cartesia](https://down.guide/cartesia)
- Level: confirmed
- Impact: Degraded
- lasted 1h 28m
- started 2026-08-21 12:06 UTC
- eu, us
- id: DWN-f302d01fe5
- Official page: https://status.cartesia.ai/incidents/01M0J3DGMSQ589C0C35YSWT5EJ

## Updates from Cartesia
### 2026-08-21 12:06 UTC: investigating
We are investigating the issue.

### 2026-08-21 12:37 UTC: monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.

### 2026-08-21 13:00 UTC: monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.

### 2026-08-21 13:33 UTC: resolved
This incident has been resolved.

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