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

# Authentication

> All Plura API requests require Bearer token authentication.

## Bearer Token

Include your API key in the `Authorization` header on every request:

```bash theme={null}
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
```

**Where to get your key:** Settings → API Keys in your Plura workspace.

## Security Checklist

<Check>Store keys in environment variables — never hardcode them</Check>
<Check>Use separate keys for dev, staging, and production</Check>
<Check>Rotate immediately if a key is compromised</Check>
<Check>Never commit keys to version control</Check>

## Example

```bash theme={null}
curl -X GET "https://api.plura.ai/v1/lead/get?phone=17145551234" \
  -H "Authorization: Bearer YOUR_API_KEY"
```