ultravox-demo-template-vercel

Template for creating Ultravox demo that gets deployed to Vercel.

This was bootstrapped with create-next-app.

Set-up

1. Create a new file called .env.local and add your Ultravox API key:

ULTRAVOX_API_KEY=your_ultravox_api_key_here

2. Configure settings, system prompt, etc in demo-config.ts
3. Install dependencies:

pnpm install

4. Run

pnpm dev

5. Navigate your browser to http://localhost:3000 to use the application

Deployment

To deploy to Vercel you will need to set an env var for the ULTRAVOX_API_KEY

Query Params

You can use some query parameters (e.g. http://localhost:3000?showSpeakerMute=true to enable different capabilities in the demo.

What	Parameter	Notes
Debug Logging	showDebugMessages=true	Turns on some additional console logging.
Speaker Mute Toggle	showSpeakerMute=true	Shows the speaker mute button.
Change Model	model=ultravox-70B	Changes the model to what is specified. Note: the app will prepend fixie-ai/ to the value.
Enable User Transcripts	showUserTranscripts=true	Displays user transcripts. Otherwise, only Ultravox/agent transcripts are shown.