Empathic AI for engineers
Add voice, expression, and empathy to your applications with a few lines of code. SDKs for every platform, comprehensive docs, and a community of builders.
import { HumeClient } from 'hume'
const hume = new HumeClient({
apiKey: process.env.HUME_API_KEY
})
// Stream synthesized audio
const stream = await hume.tts.synthesizeJsonStreaming({
utterances: [{
text: "Hello, world!",
voice: { name: "Ava Song", provider: "HUME_AI" }
}]
})
Get started in minutes with our intuitive API
“Our vision is to transform the traditional map from a static tool into a living companion that makes you love the journey. For that map to truly come to life, it needs a storyteller’s personality. Hume’s technology provides that critical emotional layer, giving a powerful, empathetic voice to the world’s hidden stories.”
Asim Ahmed
Head of Product Marketing at Niantic Spatial
Capabilities
Build with Emotional Intelligence
Conversational AI
Drop-in conversational AI for your app
Build AI agents that engage in natural, emotionally intelligent conversations. Integrate voice and chat experiences that understand context, adapt to user sentiment, and respond with genuine empathy.
How can I help you today?
I need help with my order
Of course! I can see you're a bit frustrated—let me look into that right away.
Expressive Text-to-Speech
Generate speech with natural emotion
Turn text into expressive, natural-sounding speech. Control tone, pacing, and emotional delivery to create voice experiences that feel genuinely human.
“Hello, world!”
Voice Conversion
Transform voices while preserving emotion
Convert any voice into another while keeping the emotional depth, intonation, and expressiveness. The feeling stays—only the voice changes.
Voice A
Excited, energetic
Voice B
Still excited, energetic
SDKs
First-class support for your stack
Integrations
Works with your favorite tools
Voice Agent Starter
Next.jsFull-stack template for building conversational AI agents with Next.js
Python Voice Bot
PythonVoice-enabled chatbots in Python with WebSocket streaming
Swift SDK Demo
SwiftA simple iOS app to demo Hume’s conversational AI
Twilio Integration
PythonReady-to-deploy template for phone-based voice agents
Community
Join the developer community
Discord Community
Join thousands of developers building with Hume. Get help, share projects, and connect.
Join DiscordOpen Source
Our SDKs and tools are open source. Contribute, report issues, or fork for your needs.
View GitHubSystem Status
Real-time status for all Hume services. Subscribe to updates for incidents and maintenance.
Check StatusReady to start building?
Get your API key and start adding emotional intelligence to your applications in minutes. Free tier available.