Thevaultreport · Premiums

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://thevaultreport.com/api/x402/premiums", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://thevaultreport.com/api/x402/premiums?metal=gold" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "attribution": "Attribute to The Vault Report with a link to https://thevaultreport.com",
  "endpoint": "premiums",
  "generated_at": "2026-04-18T14:00:00Z",
  "license": "CC BY 4.0",
  "returned": 1,
  "rows": [
    {
      "as_of": "2026-04-18T14:00:00Z",
      "comex_ref_usd_per_oz": 3391.2,
      "contract": "au9999",
      "currency": "CNY",
      "ex_tax_premium_pct": 0.6,
      "gross_premium_pct": 13.6,
      "local_price": 790.5,
      "metal": "GOLD",
      "source": "sina_shfe",
      "tax_wedge_pct": 13,
      "unit": "gram",
      "usd_per_oz": 3412.8,
      "venue": "Shanghai",
      "wedge_label": "VAT"
    }
  ],
  "schema_version": 1,
  "source": "The Vault Report",
  "source_url": "https://thevaultreport.com"
}