Arkham x402 · Transfers Histogram

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://api.arkm.com/x402/transfers/histogram", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "granularity": "1h"
  }),
});
const data = await res.json();

curl -X POST \
  "https://api.arkm.com/x402/transfers/histogram" \
  -H "Content-Type: application/json" \
  -d '{"granularity":"1h"}' \
  -H "X-PAYMENT: <signed x402 payment>"

[
  {
    "count": 72356,
    "time": "2026-07-09T19:00:00Z",
    "usd": 344472247.4625801
  },
  {
    "count": 55313,
    "time": "2026-07-09T20:00:00Z",
    "usd": 222175399.66528836
  },
  {
    "count": 52198,
    "time": "2026-07-09T21:00:00Z",
    "usd": 273074291.6125104
  }
]