# KOL leaderboard · HyperCore API · Femtos

> KOLs, traders and funds ranked by their HyperCore PnL, volume and open positions.

- Base URL: `https://api.femtos.xyz/v1` (REST) · `wss://api.femtos.xyz/v1/ws` (WebSocket) · MCP: `https://api.femtos.xyz/mcp`
- Auth: `Authorization: Bearer $FEMTOS_KEY` (or `X-API-KEY: $FEMTOS_KEY`). Free key: https://femtos.xyz/accounts/ (browser), or with
  no browser: `GET https://femtos.xyz/accounts/agent/challenge`, solve its proof of work, then `POST https://femtos.xyz/accounts/agent/signup`
  (https://femtos.xyz/agents.md#agent-onboarding)
- Decimals are exact strings, times Unix milliseconds, addresses lowercase `0x`
- Whole API in one file: https://femtos.xyz/agents.md · OpenAPI: https://api.femtos.xyz/v1/openapi.json · Index: https://femtos.xyz/llms.txt
- Page with live calls: https://femtos.xyz/hypercore/kols

## KOL leaderboard — GET `/v1/kols/leaderboard`

KOLs, traders and funds ranked by their HyperCore PnL, volume and open positions.

| Param | In | Example or values |
|---|---|---|
| `window` | query | `24h`, `7d`, `30d` |
| `sort` | query | `netPnl`, `realizedPnl`, `volume`, `fills`, `winRate`, `openNotional` |
| `limit` | query | `50` |

```bash
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/kols/leaderboard?window=7d&sort=netPnl&limit=50"
```

| Field | Type | Meaning |
|---|---|---|
| `rows[].entity` | {id, name, x, kinds} | who public lists name the wallets |
| `netPnl · realizedPnl · fees` | decimal | closed PnL of the fills minus USDC fees |
| `volume · fills · winRate` | decimal · int · 0–1 | quote volume, fills, closing fills in profit |
| `open` | object | open perps now: positions, notional, upnl, top 3 |

## Related (Named wallets)

- [KOL trades](https://femtos.xyz/hypercore/kol-activity.md): The latest fills of the named wallets, newest first, with who traded.
- [KOL stream](https://femtos.xyz/hypercore/ws-kols.md): Every fill, liquidation, EVM swap, transfer and bridge leg of a named wallet, live.
- [Named wallets](https://femtos.xyz/hypercore/entities.md): Every named entity, its X account, kinds, sources and wallets.
- [One entity](https://femtos.xyz/hypercore/entity.md): One named entity: its wallets on the three layers and 30 days of HyperCore trading.

All HyperCore endpoints: https://femtos.xyz/hypercore.md