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   Documentation
 * 
   API Reference
 * 
   Changelog
 * 
   Discord

 * INTRODUCTION
   
   * Welcome to Hume AI
   * Getting your API key
   * Support

 * EMPATHIC VOICE INTERFACE (EVI)
   
   * Overview
   * Quickstart
   * Configuration
   * Tool use
   * Phone calling
   * Prompting guide
   * Custom language model
   * FAQ

 * EXPRESSION MEASUREMENT API
   
   * Overview
   * Processing batches of media files
   * Real-time measurement streaming
   * FAQ

 * CUSTOM MODELS API
   
   * Overview
   * Creating your dataset
   * Training a custom model
   * Evaluating your custom model
   * FAQ

 * RESOURCES
   
   * Pricing
   * Billing
   * Errors
   * About the science
   * Use case guidelines
   * Privacy

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Introduction

WELCOME TO HUME AI

Hume AI builds AI models that enable technology to communicate with empathy and
learn to make people happy.

So much of human communication—in-person, text, audio, or video—is shaped by
emotional expression. These cues allow us to attend to each other’s well-being.
Our platform provides the APIs needed to ensure that technology, too, is guided
by empathy and the pursuit of human well-being.


EMPATHIC VOICE INTERFACE API

Hume’s Empathic Voice Interface (EVI) is the world’s first emotionally
intelligent voice AI. It is the only API that measures nuanced vocal modulations
and responds to them using an empathic large language model (eLLM), which guides
language and speech generation. Trained on millions of human interactions, our
eLLM unites language modeling and text-to-speech with better EQ, prosody,
end-of-turn detection, interruptibility, and alignment.


EXPRESSION MEASUREMENT API

Hume’s state-of-the-art expression measurement models for the voice, face, and
language are built on 10+ years of research and advances in semantic space
theory pioneered by Alan Cowen. Our expression measurement models are able to
capture hundreds of dimensions of human expression in audio, video, and images.


CUSTOM MODELS API

Our Custom Models API builds on our expression measurement models and
state-of-the-art eLLMs to bring custom insights to your application. Developed
using transfer learning from our expression measurement models and eLLMs, our
Custom Models API can predict almost any outcome more accurately than language
alone, whether it’s toxicity, depressed mood, driver drowsiness, or any other
metric important to your users.


API REFERENCE

Empathic Voice Interface (EVI)

API that measures nuanced vocal modulations and responds to them using an
empathic large language model

Expression Measurement API

Measure facial, vocal, and linguistic expressions

Custom Models API

Predict almost any outcome more accurately than language alone


GET SUPPORT

If you have questions or run into challenges, we’re here to help!

Discord

Join our Discord for answers to any technical questions

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Getting your API key
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ON THIS PAGE

 * Empathic Voice Interface API
 * Expression Measurement API
 * Custom Models API
 * API Reference
 * Get support

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