New Multi-region uptime checks and custom-domain status pages

Cartesia Outage History

Daily provider-status observations and published incident history for Cartesia.

Operational

Cartesia is operational. Verified . Official provider source.

Looking for an update now? Check the current status, or follow Cartesia for future changes.

Building verified history 5 of 24 verified daily observations collected. A percentage will appear after the minimum coverage threshold is met.

90-Day Trend

Sep 26Sep 30

Daily Status (Last 5 Days)

Sep 26 Today
Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

September 2026
Intermittent issues with voice cloning in APAC
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Voice Cloning
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
investigating
We are investigating the issue.
Intermittent websocket connection throttling
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Text to Speech (APAC)
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
investigating
We are investigating the issue.
investigating
We are investigating the issue.
Elevated connection errors in US regions
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Speech to Text (US) Text to Speech (US)
resolved
We have identified the root cause as upstream provider cluster maintenance that affected our service ingress. Some clients experienced connection errors, but subsequent retries were successful.
resolved
We have mitigated the issue and continuing the root cause investigation.
investigating
We are investigating some connection errors in US region.
August 2026
Elevated server-side TTFA for sonic-3.5 and sonic-3 in EU + US region
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Text to Speech (EU) Text to Speech (US)
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
investigating
We are investigating the issue.
TTS language region validation fails requests
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Text to Speech (EU) Text to Speech (APAC) Text to Speech (US)
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
identified
The change has been rollbacked in APAC.
identified
A change rejects unknown TTS language regions, e.g. hi-in is rejected since an ISO 3166-1 alpha-2 country code is expected. We are working on rolling back this change. To correct the issue immediately, avoid sending the country code or send a corrected country code such as hi-IN.
Issues with files
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Playground Voice Agents
resolved
This incident has been resolved.
identified
Impacts voice agent background sounds and TTS history.
Elevated File Download Errors on TTS generations
minor

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Playground
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
resolved
This incident has been resolved.
investigating
We are continuing to investigate the issue.
investigating
We are investigating the issue.
investigating
We're experiencing an elevated level of errors downloading files and are currently looking into the issue.
Agents Telephony failing in the US
partial

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Playground Speech to Text (US) Speech to Text (EU) Voice Agents Voice Cloning Text to Speech (EU) Text to Speech (APAC) Speech to Text (APAC) Text to Speech (US)
resolved
This incident has been resolved. We apologize for the inconvenience and will provide further details once we've concluded our internal investigation.
investigating
We are investigating the issue.
Intermittent timeouts on TTS endpoints
partial

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Voice Agents Voice Cloning Text to Speech (EU) Text to Speech (APAC) Text to Speech (US)
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
identified
Rerouting traffic
investigating
We have identified some network issues and are attempting to mitigate the issue.
investigating
We are investigating the issue.
investigating
We are investigating the issue.
Intermittent PVC training errors
partial

View incident details and source

Notice published:

Provider resolved: . The notice publication date does not establish the outage start.

Voice Cloning
resolved
This incident has been resolved.
monitoring
We have mitigated the issue on our end and are continuing to monitor the state of our service.
identified
We are investigating the issue.
Get alerts for Cartesia Subscribe to the provider incident feed Browse all services