> ## Documentation Index
> Fetch the complete documentation index at: https://docs.simultaneous.live/llms.txt
> Use this file to discover all available pages before exploring further.

# Setup

> Environment variables and configuration

## Environment Variables

Create a `.env` file in your project root:

```bash theme={null}
# Required
SIMULTANEOUS_PROJECT_ID=your-project-id
OPENAI_API_KEY=sk-...

# Optional
SIMULTANEOUS_API_KEY=your-api-key
```