# KOL leaderboard · HyperEVM API · Femtos

> KOLs, traders and funds ranked by their HyperEVM swaps, transfers, bridge legs and holdings.

- 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/hyperevm/kols

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

KOLs, traders and funds ranked by their HyperEVM swaps, transfers, bridge legs and holdings.

| Param | In | Example or values |
|---|---|---|
| `layer` | query | `hyperevm` |
| `window` | query | `24h`, `7d`, `30d` |
| `sort` | query | `volume`, `swaps`, `transfers`, `netBuy`, `holdings`, `bridges`, `lastActivity` |
| `limit` | query | `50` |
| `includeSpam` | query | `(empty)`, `true` |

```bash
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/kols/leaderboard?layer=hyperevm&window=24h&sort=volume&limit=50"
```

| Field | Type | Meaning |
|---|---|---|
| `rows[].entity` | {id, name, x, kinds} | who public lists name the wallets |
| `swaps · volumeUsd · netBuyUsd` | int · decimal | DEX swaps sent by its wallets, USD volume, buys − sells |
| `transfersIn · transfersOut · bridges` | int | ERC-20 transfers, bridge legs |
| `holdingsUsd` | decimal \| null | HyperEVM: USD held at the indexed head |
| `scope` | object | blocks read per kind: 24 h without the address indexes (7d / 30d: 503) |

## Related (Named wallets)

- [KOL moves](https://femtos.xyz/hyperevm/kol-activity.md): The latest HyperEVM swaps and transfers of the named wallets, with who moved.
- [KOL stream](https://femtos.xyz/hyperevm/ws-kols.md): Every HyperEVM swap, transfer and bridge leg of a named wallet, on each indexed block.

All HyperEVM endpoints: https://femtos.xyz/hyperevm.md