Hyperliquid Smart Money Data API · Pulse

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/pulse", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://whaletape.xyz/pulse?cursor=1788010000" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "count": 1,
  "events": [
    {
      "address": "0x5b5d...",
      "coin": "ETH",
      "event": "increased",
      "notional": 104287584.4,
      "side": "short",
      "ts": 1788010123
    }
  ],
  "next_cursor": 1788010123,
  "truncated": false
}