Skip to main content
PII/PHI Redaction transcribes audio, replaces detected PII/PHI spans with empty marker tags (e.g. <pii:name></pii:name>, <pii:ssn></pii:ssn>, <phi></phi>) in the transcript, and silences the matching ranges in the returned audio.
BatchStreaming
Use caseTranscription with audio redactionReal-time transcription with audio redaction
ProtocolHTTP POSTWebSocket
LanguagesMultilingualMultilingual
Speaker diarization✓✓
PII/PHI audio redaction✓✓
Need PII/PHI flagged in the transcript but the audio left intact? Use the STT APIs with PII/PHI tagging instead.
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.