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

# Referrals

Referral code, referees, and earnings.

## Example

```bash theme={null}
curl -H "x-api-key: YOUR_KEY" "https://hyper.polynode.dev/v2/user/referral?address=0x..."
```