v5

latestOpenAPI 3.1.0Proprietary2026-08-031,5423,1505.5 MB

Fixed Income

Treasury yield curve

US Treasury daily yield curve by tenor for one day. type=nominal returns the par yield curve; type=real returns the TIPS real yield curve. Omit date for the latest published curve, or pass date (YYYY-MM-DD) for the curve on or before that day.

get/api/v2/fixed-income/treasury/yield-curve

Query parameters

typestring

nominal (par) or real (TIPS).

Example:nominal

nominal (par) or real (TIPS).

datestring nullable

Curve date (YYYY-MM-DD). Omit for latest.

Example:2026-06-26

Curve date (YYYY-MM-DD). Omit for latest.

Response

Tenor points for the requested Treasury yield curve.

Example response

{
  "data": {
    "dataset": "par_yield",
    "dataset_name": "Daily Treasury Par Yield Curve Rates",
    "curve_type": "nominal",
    "date": "2026-06-26",
    "points": [
      {
        "tenor": "10Y",
        "tenor_months": 120,
        "yield": 4.38
      }
    ]
  },
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ]
  }
}