Fixed Income
Treasury daily rate series
US Treasury daily rate time series for one dataset and year. dataset is one of: par_yield, real_yield, bill_rates, long_term, real_long_term. Defaults to the current year; narrow with start/end (YYYY-MM-DD).
get/api/v2/fixed-income/treasury/rates
Query parameters
datasetstring
par_yield, real_yield, bill_rates, long_term, real_long_term.
Example:par_yield
par_yield, real_yield, bill_rates, long_term, real_long_term.
yearinteger nullable
Calendar year. Defaults to current year.
Example:2026
Calendar year. Defaults to current year.
startstring nullable
Filter: include dates >= start (YYYY-MM-DD).
Example:2026-01-01
Filter: include dates >= start (YYYY-MM-DD).
endstring nullable
Filter: include dates <= end (YYYY-MM-DD).
Example:2026-06-30
Filter: include dates <= end (YYYY-MM-DD).
Response
Daily observations for the requested Treasury rate dataset.
Example response
{
"data": {
"dataset": "par_yield",
"dataset_name": "Daily Treasury Par Yield Curve Rates",
"kind": "curve",
"count": 250,
"observations": [
{
"date": "2026-06-26"
}
]
},
"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"
]
}
}