Microsoft Translator Speech API is a cloud-based automatic translation service. The API enables developers to add end-to-end, real-time, speech translations to their applications or services.

Extend the reach of your applications

Across mobile, desktop, and web applications, easily power translation to and from ten languages through the open REST interface of Translator Speech API, a cloud-based automatic speech translation service (also known as machine translation).

Transcribe and translate real-life conversation

Add speech translation to your app, using a technology optimized for translation of real-life conversation.

Adapt to your application needs

Depending on your unique scenarios, use one or more of the available outputs from the API: partial transcriptions as you speak, partial text translations, final transcriptions, final text translation, or audio text-to-speech translation.