$0.005
per call · USD Coin on Base
US Treasury yield curve API: the latest Daily Treasury Par Yield Curve — yields in percent for 13 maturities from 1 month to 30 years, plus curve date, straight from the US Department of the Treasury. Public-domain government data, published each business day. Use for interest rate benchmarks, bond analysis, discount rates, and macro signals. Slow upstream (~10s) so served from a 6-hour cache; meta.fetchedAt shows when the curve was retrieved.
Endpoint
GET https://gateway.stride20k.com/rates/us-treasury3
Calls / 30d
2
Unique payers / 30d
Aug 30
Last called
exact
Payment scheme
Call this service
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://gateway.stride20k.com/rates/us-treasury", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://gateway.stride20k.com/rates/us-treasury" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"curveDate": "2026-07-02",
"series": "Daily Treasury Par Yield Curve Rates",
"yieldsPct": {
"10Y": 4.49,
"1M": 3.7,
"1Y": 3.96,
"2Y": 4.14,
"30Y": 4.98,
"3M": 3.82,
"5Y": 4.23,
"6M": 3.98
}
},
"endpoint": "/rates/us-treasury",
"meta": {
"attribution": null,
"cached": false,
"fetchedAt": "2026-07-04T00:00:00.000Z",
"source": "US Treasury"
},
"ok": true
}Payment details
0x552cc4a10878c7f20574489d47184249657ca3f6USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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