Frequently Asked Questions

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

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Pre-recorded audio

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

Account, Billing & Payments

How to get an AssemblyAI API Key?

Pre-recorded audio

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

Pre-recorded audio

What languages do you support?

Privacy & Security

Does AssemblyAI offer Zero Data Retention?

Pre-recorded audio

How does the API handle files that contain spoken audio in multiple languages?