From OneBalance

const API_KEY = process.env.ZERION_API_KEY;
const address = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045";

const res = await fetch(
  `https://api.zerion.io/v1/wallets/${address}/portfolio?currency=usd`,
  {
    headers: {
      accept: "application/json",
      authorization: `Basic ${btoa(API_KEY + ":")}`,
    },
  }
);
const { data } = await res.json();
const attrs = data.attributes;

console.log(`Total: $${attrs.total.positions.toFixed(2)}`);
console.log(`24h change: ${(attrs.changes.percent_1d * 100).toFixed(2)}%`);
console.log(`By chain:`, attrs.positions_distribution_by_chain);

const API_KEY = process.env.ZERION_API_KEY;
const address = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045";

const res = await fetch(
  `https://api.zerion.io/v1/wallets/${address}/positions/?currency=usd&filter[positions]=only_simple&filter[trash]=only_non_trash&sort=-value`,
  {
    headers: {
      accept: "application/json",
      authorization: `Basic ${btoa(API_KEY + ":")}`,
    },
  }
);
const { data } = await res.json();

// Per-position view (one entry per token per chain)
for (const pos of data) {
  const { fungible_info, quantity, value } = pos.attributes;
  const chain = pos.relationships.chain.data.id;
  console.log(`${fungible_info.symbol} on ${chain}: ${quantity.float} = $${value?.toFixed(2) ?? "N/A"}`);
}

// OneBalance-style aggregated view: sum by fungible id
const byAsset = {};
for (const pos of data) {
  const id = pos.attributes.fungible_info.id;
  const symbol = pos.attributes.fungible_info.symbol;
  byAsset[id] = byAsset[id] ?? { symbol, total: 0, chains: [] };
  byAsset[id].total += pos.attributes.value ?? 0;
  byAsset[id].chains.push(pos.relationships.chain.data.id);
}

const API_KEY = process.env.ZERION_API_KEY;
const address = "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045";
const headers = {
  accept: "application/json",
  authorization: `Basic ${btoa(API_KEY + ":")}`,
};

const res = await fetch(
  `https://api.zerion.io/v1/wallets/${address}/transactions/?currency=usd&page[size]=20`,
  { headers }
);
const { data } = await res.json();

for (const tx of data) {
  const { operation_type, mined_at, transfers, fee } = tx.attributes;
  const chain = tx.relationships.chain.data.id;
  const dappId = tx.relationships.dapp?.data?.id;

  console.log(`[${mined_at}] ${operation_type} on ${chain}`);
  if (dappId) console.log(`  via ${dappId}`);
  for (const t of transfers) {
    const sign = t.direction === "out" ? "-" : "+";
    const symbol = t.fungible_info?.symbol ?? "NFT";
    console.log(`  ${sign}${t.quantity.float} ${symbol} ($${t.value?.toFixed(2) ?? "?"})`);
  }
  console.log(`  Fee: $${fee.value?.toFixed(2) ?? "?"}`);
}

const API_KEY = process.env.ZERION_API_KEY;
const headers = {
  accept: "application/json",
  authorization: `Basic ${btoa(API_KEY + ":")}`,
};

const res = await fetch(
  `https://api.zerion.io/v1/fungibles/?filter[search_query]=usdc&page[size]=5`,
  { headers }
);
const { data } = await res.json();

for (const f of data) {
  const a = f.attributes;
  console.log(`${a.symbol} (${a.name}): ${a.implementations.length} chain implementations`);
  for (const impl of a.implementations.slice(0, 3)) {
    console.log(`  ${impl.chain_id}: ${impl.address || "native"} (${impl.decimals} decimals)`);
  }
}