Deepfake Detection - Modulate

Synthetic voice detection (SVD) returns per-frame deepfake scores for an audio source. Choose batch for files you already have, or streaming for live audio over WebSocket.

	Batch	Streaming
Use case	Deepfake detection on a file	Real-time deepfake detection
Protocol	HTTP POST	WebSocket
Audio formats	96 file extensions, including MP3, WAV, FLAC, M4A, MP4, OGG, Opus, WebM, AAC, AIFF, MOV	Raw PCM and 79 container formats
Synthetic voice scoring	Per-frame	Per-frame

For a side-by-side comparison with the other Modulate capabilities, see Which API should I use?.

Authentication

Batch uses the X-API-Key header. Streaming uses an api_key query parameter at connection time. See Authentication and rate limits.