Frequently Asked Questions

Get quick answers to the most common questions about AssemblyAI’s features, pricing, and services.

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How to Opt Out of Data Sharing for our Model Improvement Program

Privacy & Security

Are there any limits on file size or file duration for files submitted to the API?

Pre-recorded audio

What audio and video file types are supported by your API?

Pre-recorded audio

Will AssemblyAI sign a Business Associate Addendum (BAA)?

Privacy & Security

How does automatically scaling concurrency for Streaming STT work?

Streaming audio

Can I sign up for free?

Account, Billing & Payments