Treasury daily rate series
Changed onUS 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).
Request
- Base URL: https://sugra.ai
- URL: https://sugra.ai/api/v2/fixed-income/treasury/rates
- Auth: API key in header x-api-key
Query parameters
par_yield, real_yield, bill_rates, long_term, real_long_term.
Calendar year. Defaults to current year.
Filter: include dates >= start (YYYY-MM-DD).
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",
"data_age_days": 8.532,
"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"
],
"stale_since": "2026-09-08T12:00:00Z",
"period": "2026-Q1",
"notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
}
}Changes
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