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Change Log

November 9, 2026

Instant Voice Cloning: detect watermark

Instant Voice Cloning (beta) now exposes POST /voices/watermark/detect. Upload a clip to check whether it carries the Sarvam STFT watermark embedded by Instant Voice Cloning generation.

  • Multipart file upload; max 10 MB; analysis capped at 120 seconds.
  • Response data.verdict is watermarked, not_detected, or inconclusive (short clips under about 5 seconds are usually inconclusive).
  • Auth via api-subscription-key. Rate limited to 5 requests per minute. Consumes no credits.

See the Detect Watermark API reference.