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

# Environment Variables

> Manage secrets and configuration

## Overview

Pass environment variables securely to your code executions for API keys, configuration, and secrets.

<Note>
  Full documentation coming soon. See [Execute API](/api-reference/execution/execute) for env variable usage.
</Note>

## Quick Example

```typescript theme={null}
await client.execute({
  sessionId: session.id,
  code: 'console.log("API Key:", process.env.API_KEY);',
  env: {
    API_KEY: 'secret_key_123',
    NODE_ENV: 'production'
  }
});
```