All Systems Operational

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Welcome to Cartesia AI's status page. Here you'll find real time updates regarding any active incidents that might be affecting the API or Playground.

Uptime over the past 90 days. View historical uptime.
Text to Speech (TTS) Operational
90 days ago
99.99 % uptime
Today
Text to Speech (US) Operational
90 days ago
100.0 % uptime
Today
Text to Speech (EU) Operational
90 days ago
100.0 % uptime
Today
Text to Speech (APAC) Operational
90 days ago
99.99 % uptime
Today
Speech to Text (STT) Operational
90 days ago
100.0 % uptime
Today
Speech to Text (US) Operational
90 days ago
100.0 % uptime
Today
Speech to Text (EU) Operational
90 days ago
100.0 % uptime
Today
Speech to Text (APAC) Operational
90 days ago
100.0 % uptime
Today
Playground Operational
90 days ago
100.0 % uptime
Today
Voice Cloning Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Mar 2, 2026

No incidents reported today.

Mar 1, 2026

No incidents reported.

Feb 28, 2026

No incidents reported.

Feb 27, 2026

No incidents reported.

Feb 26, 2026
Degraded generation quality on public voices
Postmortem - Read details
Feb 28, 02:20 UTC
Resolved - The incident has been resolved
Feb 26, 23:20 UTC
Update - We confirmed that the fix had been rolled out and TTS generation quality should resume to normal. We are continuing to monitor the situation to ensure that the incident had been resolved.
Feb 26, 23:11 UTC
Monitoring - We have rolled out a fix globally that should slowly take place over the next 10-15 minutes.
Feb 26, 22:44 UTC
Update - We are continuing to work on a fix for this issue. A resolution is expected in 1 hour.
Feb 26, 22:14 UTC
Update - We are continuing to work on a fix for this issue.
Feb 26, 21:08 UTC
Identified - We have identified a degradation in speech generation quality for requests using public voices since 6:30 PM PST on February 25.
Feb 26, 20:45 UTC
Feb 25, 2026

No incidents reported.

Feb 24, 2026

No incidents reported.

Feb 23, 2026
TTS API Elevated TTFA
Postmortem - Read details
Feb 26, 20:15 UTC
Resolved - After monitoring, this incident appears to be fully resolved and TTFAs should be at normal levels.
Feb 23, 15:42 UTC
Update - We've rolled out a mitigation globally and are now currently monitoring TTFAs to ensure that we've resolved the incident fully.
Feb 23, 15:31 UTC
Identified - We have identified the component causing and are in the process of rolling a mitigation for it.
Feb 23, 14:54 UTC
Investigating - Investigating: We are currently investigating elevated Time to First Audio (TTFA) for api.cartesia.ai in the APAC and US region. Customers may be experiencing longer-than-expected delays before audio begins streaming, and in some cases inter chunk latency. We are actively working to identify the root cause and will provide updates as we learn more.
Feb 23, 09:00 UTC
Feb 22, 2026

No incidents reported.

Feb 21, 2026

No incidents reported.

Feb 20, 2026

No incidents reported.

Feb 19, 2026
sonic-3-latest TTS generations using pronunciation dictionaries produce incorrect results
Resolved - This incident has been resolved.
Feb 19, 18:45 UTC
Update - We have rolled back the bad deploy and pronunciation dictionaries are once again working with `sonic-3-latest`.
Feb 19, 18:45 UTC
Investigating - TTS generations using pronunciation dictionaries produce incorrect audio (some structured metadata is read out in the speech).

Workaround for affected customers: use `sonic-3` instead of `sonic-3-latest`.
Feb 19, 18:21 UTC
Playground signin instability
Resolved - This incident has been resolved.
Feb 19, 18:41 UTC
Monitoring - Our provider has rolled out a fix and we are monitoring the recovery.
Feb 19, 18:00 UTC
Investigating - Some users are having trouble signing in; some users are experiencing latency in signin. Our provider Clerk has an incident page here: https://status.clerk.com/

API and API authorization is unaffected; this is only on play.cartesia.ai and docs.cartesia.ai
Feb 19, 17:12 UTC
Feb 18, 2026

No incidents reported.

Feb 17, 2026

No incidents reported.

Feb 16, 2026

No incidents reported.

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