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.