Current answer
Cartesia experienced a partial incident: Degraded API Performance in US Regions. Resolved on Oct 7, 2026.
The notice publication date does not establish the outage start. Provider resolved: .
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Provider notice timeline
Affected Components
Speech to Text (US)
Voice Cloning
Text to Speech (US)
Incident Timeline
Resolved
The replacement for the offending change has been deployed. The incident is resolved.
Oct 7, 2026 at 10:23 PM UTC
Monitoring
This degradation has been quickly mitigated; we are closely monitoring performance for all key endpoints in the US regions.
Oct 7, 2026 at 9:16 PM UTC
Investigating
Our caching service briefly experienced increased load due to the same configuration change, leading to increased latency in US regions again.
Oct 7, 2026 at 9:13 PM UTC
Monitoring
The root cause has been identified as a change that led to increased load in our internal caching service. We have mitigated the issue on our end and are continuing to monitor the state of our service.
Oct 7, 2026 at 4:50 PM UTC
Investigating
Customers in the US regions are facing increased latency for some API requests.
Oct 7, 2026 at 4:29 PM UTC
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