ChainQuery Bitcoin Intelligence · Address

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://intel.chainquery.com/v1/address/:addr", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://intel.chainquery.com/v1/address/:addr" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "address": "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa",
  "as_of": "2026-06-19T17:00:05Z",
  "balance_sats": 5721261009,
  "encoding": "P2PKH (1)",
  "labels": [
    {
      "source": "curated",
      "title": "Genesis Block Coinbase (Satoshi Nakamoto)"
    }
  ],
  "quantum_exposure": {
    "headline": "Not exposed",
    "is_exposed": false
  },
  "refreshes_at": "continuous (live chain index + quantum tip tracker)",
  "tags": [],
  "total_received_sats": 5721261009,
  "total_spent_sats": 0,
  "tx_count": 63175
}