Natural Language Understanding

The only Voice Interface API that provides Natural Language Understanding results as soon as you start speaking.

Ultra-fast interactions with real-time feedback

Don’t make your users wait for results. Our proprietary Natural Language Understanding technology enables fast and direct voice interactions with immediate feedback.

No turn-taking. No assistants required.

State-of-the-art accuracy

Consistent performance across platforms

Run on any platform and get the same results without cross-compatibility issues.


No limits to customization

Easily design your Domain-Specific intents and entities using the Speechly Annotation Language, or SAL in short.


We have the world’s best radio voice interface. Works better than Alexa!

How would you use Spoken Language Understanding?

Our specialist will contact you as soon as possible to discuss your use case in more detail.

Create awesome voice experiences with Speechly

Build your first configuration in minutes with our easy-to-use quick start guide.