Nansen · Smart Money Historical Holdings

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.nansen.ai/api/v1/smart-money/historical-holdings", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "chains": [
      "ethereum"
    ],
    "date_range": {
      "from": "2025-10-01",
      "to": "2025-10-31"
    },
    "filters": {
      "balance_24h_percent_change": {
        "max": 0.1,
        "min": -0.1
      },
      "exclude_smart_money_labels": [
        "30D Smart Trader"
      ],
      "include_native_tokens": false,
      "include_smart_money_labels": [
        "Fund",
        "Smart Trader"
      ],
      "include_stablecoins": false,
      "token_age_days": {
        "max": 30
      },
      "value_usd": {
        "max": 100000,
        "min": 1000
      }
    }
  }),
});
const data = await res.json();

curl -X POST \
  "https://api.nansen.ai/api/v1/smart-money/historical-holdings" \
  -H "Content-Type: application/json" \
  -d '{"chains":["ethereum"],"date_range":{"from":"2025-10-01","to":"2025-10-31"},"filters":{"balance_24h_percent_change":{"max":0.1,"min":-0.1},"exclude_smart_money_labels":["30D Smart Trader"],"include_native_tokens":false,"include_smart_money_labels":["Fund","Smart Trader"],"include_stablecoins":false,"token_age_days":{"max":30},"value_usd":{"max":100000,"min":1000}}}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "data": [],
  "pagination": {}
}