Accurate Speech-to-Text APIs for all of your speech recognition needs

Rev.ai's suite of speech-to-text APIs allows businesses to build powerful downstream applications. We train our speech engine on 50,000+ hours of human-transcribed content from a wide range of topics, industries, and accents. The result? You get access to the most accurate speech recognition products on the market.

Get more out of your audio and video with our unmatched accuracy in an easy-to-use API.

speech to text API sound waves
Why Rev.ai?
Best-in-class accuracy
We train our speech models on 50,000+ hours of human-transcribed audio content to produce the most accurate API-driven, automated speech recognition engine.
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Ease of Implementation
Set-up and see results within an hour. Our collection of SDKs get you up and running in no time.
Flexible Deployment
Deploy Rev.ai’s speech-to-text engine in the cloud or on-prem according to your needs.
Reliability
We maintain 99.99% uptime and are on call to respond to security alerts and events.
Security
We handle your data with the care it deserves. All files are encrypted both at rest and in transit via industry best-practices.
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Unlock the power of voice
Asynchronous
Speech-to-Text-API
Audio transcription for pre-recorded audio.
Streaming
Speech-to-Text-API
Real-time audio transcription.

Rev.ai's English Transcript Accuracy

Best-in-class accuracy
When transcription accuracy matters, you can count on Rev.ai.
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Simple integration
Our easy-to-use API is designed by developers for developers. We provide you with SDKs, comprehensive documentation, and expert support so you can get started in minutes. All you need to generate your first transcript is an access token.
Explore Documentation
Python
Node
curl