402rates.com · RWA Yields

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.402rates.com/v1/rwa/yields", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api.402rates.com/v1/rwa/yields?instruments=USTB%2CEUTBL%2CUSYC" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "data": [
    {
      "access": "whitelist",
      "annualisation": "simple",
      "currency": "EUR",
      "day_count": "actual/365",
      "deployment_divergence": [],
      "eligibility": {
        "quote": "The shares of the Sub-Fund may not be offered or sold, directly or indirectly, in the United States of America (including its territories and possessions), to a 'US Person'",
        "read_on": "2026-08-31",
        "url": "https://cdn.spiko.finance/legal_docs/EN/Prospectus_Spiko_SICAV_EN.pdf"
      },
      "family": "price_accrual",
      "instrument": "rwa.spiko.eutbl",
      "issuer": "SPIKO SICAV, compartment (management company Twenty First Capital SAS, AMF GP-11000029)",
      "issuer_figure": {
        "as_of_date": "2026-09-04",
        "available": true,
        "definition": null,
        "reproducible_from_published_inputs": null,
        "value_pct": 2.13
      },
      "issuer_vs_basis_bps": -4.3,
      "legal_name": "SPIKO EU T-BILLS MONEY MARKET FUND",
      "period_return_pct": 0.171538,
      "primary_source": {
        "chain_key": "fund",
        "id": "spiko.api.nav.eutbl",
        "quantity": "nav_per_share"
      },
      "ticker": "EUTBL",
      "window": {
        "actual_days": 30,
        "distinct_observations": 18,
        "end_date": "2026-09-03",
        "start_date": "2026-08-04"
      },
      "yield_basis": "measured",
      "yield_pct": 2.087049
    }
  ],
  "meta": {
    "basis": {
      "annualisation": "simple",
      "day_count": "actual/365",
      "name": "Open Treasury Yield Basis",
      "version": "1.1.0",
      "window_days": 30
    },
    "capability": "compass.rwa.yields",
    "schema_version": "0.5.0"
  },
  "ranking": {
    "groups": [
      {
        "currency": "EUR",
        "family": "price_accrual",
        "highest": {
          "ticker": "EUTBL",
          "yield_pct": 2.087049
        }
      }
    ]
  }
}