Documentation Index
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Overview
ZDR is part of Cartesia’s broader enterprise security posture. Cartesia is GDPR, SOC 2 Type II, PCI-DSS service provider, and HIPAA compliant. For full details, visit our Trust Center. You may opt into Zero Data Retention if you require that we do not retain your content. Content means the customer-provided or model-generated text/audio payloads.What is covered by ZDR?
| Data | Description | Retained? |
|---|---|---|
| Text input (TTS) | The transcript or text you send to generate speech | Not retained |
| Audio output (TTS) | The generated speech audio returned by the API | Not retained |
| Audio input (STT) | The audio you send for transcription | Not retained |
| Transcript output (STT) | The transcribed text returned by the API | Not retained |
| Operational metadata | Request identifiers, usage totals, account information, and service health data | Retained |
FAQs
Who can enable ZDR?
Who can enable ZDR?
You must be on an enterprise plan to enable ZDR. Go to play.cartesia.ai/subscription to see what plan you are on and make changes.
Does ZDR apply to all TTS and STT models?
Does ZDR apply to all TTS and STT models?
Yes. All models available through Cartesia’s TTS and STT APIs are covered.
Does ZDR affect output quality?
Does ZDR affect output quality?
No. ZDR changes retention behavior, not model behavior.
What are the trade-offs for enabling ZDR?
What are the trade-offs for enabling ZDR?
Because data is not retained, Cartesia cannot access or recover request content after the request completes. Product features that depend on retained content, such as Playground history, may not be available for ZDR-enabled requests. Troubleshooting may also be more limited, so support may ask you to reproduce the issue, share request metadata, or provide sanitized examples.
Why is ZDR not offered for voice cloning?
Why is ZDR not offered for voice cloning?
They require retaining uploaded audio samples or derived voice artifacts to function.
Do I need to configure ZDR per request?
Do I need to configure ZDR per request?
No. Once your organization admin enables it on the Cartesia Playground on your Enterprise account, ZDR applies to all eligible API requests automatically.