Unnamed resource.

GET https://x402stock.xyz/api/v1/treasury-yields ↗

The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock

Eligibility: probeable
Failures: 0
Last quote: —
Last probe: —

Payment requirements / accepts[] 1 options

State	Network	Scheme	Atomic amount	Asset	payTo / untrusted
active	eip155:8453	exact	10000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 0 recent

No probe attempts recorded yet. Coverage runs prioritize never-probed endpoints.

Machine contract

Schemas.

InputJSON

{
  "method": "GET",
  "queryParams": {
    "limit": 1
  },
  "type": "http"
}

OutputJSON

{
  "example": {
    "as_of": "2026-05-29T00:00:00.000Z",
    "count": 1,
    "maturities": [
      "1mo",
      "1.5mo",
      "2mo",
      "3mo",
      "4mo",
      "6mo",
      "1yr",
      "2yr",
      "3yr",
      "5yr",
      "7yr",
      "10yr",
      "20yr",
      "30yr"
    ],
    "rates": [
      {
        "date": "2026-05-29",
        "rates": {
          "1.5mo": 3.71,
          "10yr": 4.19,
          "1mo": 3.72,
          "1yr": 3.47,
          "20yr": 4.81,
          "2mo": 3.66,
          "2yr": 3.47,
          "30yr": 4.86,
          "3mo": 3.65,
          "3yr": 3.55,
          "4mo": 3.62,
          "5yr": 3.74,
          "6mo": 3.58,
          "7yr": 3.95
        }
      }
    ],
    "series": "daily_treasury_par_yield_curve",
    "source": "us_treasury",
    "unit": "percent"
  },
  "type": "json"
}