Hyperliquid Smart Money Data API · Markets Class

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://whaletape.xyz/markets/class/:asset_class", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://whaletape.xyz/markets/class/:asset_class" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "asset_class": "crypto",
  "count": 194,
  "markets": [
    {
      "asset_class": "crypto",
      "coin": "BTC",
      "day_volume": 2824000602.9866595,
      "dex": "",
      "funding": 0.0000298097,
      "mark_px": 77302,
      "open_interest": 36419.31138,
      "symbol": "BTC"
    }
  ],
  "updated_at": "2026-08-23T01:39:43.769674+00:00"
}