Transcribe audio

AssemblyAI

Speech-to-text API that transcribes recorded and live audio into text with word timestamps, speaker labels and analysis options.

Your data

Data location: US by default; EU endpoint processes audio and transcripts in the EU at the same price16
Retention: Pre-recorded audio: deletion begins at 24 hours and finishes within 48 hours, unless a TTL or BAA applies17
Retention, transcripts: Pre-recorded transcripts: deletion begins at 30 days17
Retention, configurable: A TTL can be set as low as 1 hour for pre-recorded17
Used for training: Some files, after PII redaction, as the contract permits; not for BAA customers, EU endpoint users or those who opted out17
Zero data retention: Yes for streaming, Sync STT, Dictation and TTS when opted out of model training; pre-recorded has a 1-hour minimum TTL17

Compliance

Certifications: SOC 2 Type 2, ISO 27001, GDPR1
SOC 2 Type 1: Yes17
HIPAA: BAA available, signable without a sales call, no extra price1

Read from AssemblyAI’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/transcribe-audio/assemblyai.md