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To provide transcription services, Gladia processes several types of data:
  • Audio input: Audio files or audio streams provided for transcription
  • Transcription output: Text, timestamps, words, utterances
  • API Metadata: Request IDs, timestamps, processing status
  • Logs: Operational logs for system reliability
The duration for which your data is stored depends on your plan. You have two main options for data retention:
  • Standard data retention: Your data (audio files, transcripts, and metadata) remains accessible for a set period. Defaults and customization options vary by plan (see below).
  • Zero data retention: Data storage is minimized at all stages, avoiding temporary storage whenever possible. All data is deleted immediately after processing. Available on Enterprise only.

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Standard data retention by plan

Custom retention periods are available on Growth and Enterprise. Zero data retention is available on Enterprise only. Contact support to configure a custom retention period.
To enable usage tracking, Gladia retains essential API metadata: request ID, timestamp, processing status and audio duration. Immutable logs are also maintained, for a limited period, to ensure service quality and reliability.

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Zero Data Retention behavior

When Zero Data Retention is enabled, Gladia processes data ephemerally; no data is stored at rest.
  • No audio files are stored: Files cannot be retrieved through the API or in the Gladia’s playground. File upload is also disabled; the asynchronous API must use an external audio file url, such as S3 presigned url.
  • No transcripts are stored: Transcription results cannot be retrieved through the API and are not visible in the Gladia’s playground.
  • No metadata retrieval: Transcription API calls, audio duration, and other metadata cannot be retrieved through the API or in the Gladia’s playground.
  • Transcription results delivered only via callbacks: The only way to receive transcription results is through callbacks; they cannot be retrieved by any other means.
Once the result is delivered, the audio, transcript, and metadata cannot be accessed.