Cartesia incident
Elevated failure rates on Line (Voice Agent) calls
Cartesia experienced a major incident on April 2, 2026 affecting Voice Agents, lasting 1h 20m. The incident has been resolved; the full update timeline is below.
Affected components
Voice Agents
Update timeline
- investigating Apr 02, 2026, 08:07 PM UTC
We are currently investigating this issue.
- monitoring Apr 02, 2026, 09:22 PM UTC
An upstream infrastructure provider identified a DNS resolution issue affecting WebSocket connections to voice agent deployments. A mitigation has been put in place and failure rates have recovered fully. We are continuing to monitor.
- resolved Apr 02, 2026, 09:28 PM UTC
This incident has been resolved.