Outage in Twilio
V3 Transcription API experiencing service issues
Resolved MinorIncident Report
Summary AI Generated
Twilio's V3 Transcriptions API experienced a ~6.4-hour outage affecting all batch transcription requests using the Google TTS chirp_2 (en-US) model, which failed with PERMISSION_DENIED errors due to Google blocking access to the model on their end. The incident caused a complete service outage for V3 transcription workflows, with Deepgram Nova3 available as a workaround during the disruption. The issue was resolved on June 18, 2026, and the service returned to normal operation.
Our monitoring systems have detected a potential issue with V3 transcriptions API failures. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
Components affected
Twilio REST APITrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 23 hours ago - at 06/19/2026 01:07AM
Service interruption with the V3 Transcriptions API has been resolved and [product][service] is operating normally at this time.
INVESTIGATING
1 day ago - at 06/18/2026 07:46PM
We are investigating a service interruption with the V3 Transcriptions API. At this time, all batch transcription requests using the Google TTS chirp_2 (en-US) model are failing with PERMISSION_DENIED errors, resulting in a complete service outage for V3 transcription workflows. The root cause is a vendor-side issue as Google has blocked access to the chirp_2 model. We are actively working with our provider to resolve this and will provide another update once more information becomes available.
If users are seeing issues with Google TTS chirp_2, using the Deepgram Nova3 language model is a potential workaround at this time.
INVESTIGATING
1 day ago - at 06/18/2026 06:46PM
Our monitoring systems have detected a potential issue with V3 transcriptions API failures. Our engineers have been alerted and are investigating. We will provide an update when we have more details.
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