Hyperliquid Smart Money Data API · Flows Classes

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

curl -X GET \
  "https://whaletape.xyz/flows/classes" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "class_flows": {
    "4h": {
      "classes": {
        "crypto": {
          "flow_usd": 9000000,
          "inflow_count": 120,
          "outflow_count": 80
        }
      },
      "rotation": "money leaving equity and entering crypto"
    }
  },
  "note": "capital rotation across asset classes; educational heuristic",
  "updated_at": "2026-08-23T01:39:43Z"
}