Hyperliquid Market Data · Book

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://hyperliquid.use.x402atlas.com/book", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://hyperliquid.use.x402atlas.com/book?coin=BTC" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "asks": [
    {
      "n": 2,
      "px": "64251.0",
      "sz": "0.8"
    }
  ],
  "bids": [
    {
      "n": 3,
      "px": "64249.0",
      "sz": "1.5"
    }
  ],
  "coin": "BTC",
  "queried_at": "2026-07-10T12:00:00Z",
  "time": "2026-07-10T12:00:00Z"
}