{"service":"treasury","description":"Normalized US Treasury fiscal-operations and debt-issuance data — auctions, debt, operating cash, monthly statement and rates — fused from free public-domain Treasury sources with per-response provenance.","routes":{"/treasury/auctions":"auction results + upcoming calendar + bid-to-cover signals","/treasury/debt":"Debt to the Penny (public/intragov) + interest expense","/treasury/cash":"Daily Treasury Statement operating cash balance (TGA)","/treasury/statement":"Monthly Treasury Statement receipts/outlays/deficit","/treasury/rates":"par yield curve + average interest rates on the debt"},"datasets":[{"dataset":"debt_to_penny","source":"fiscaldata","endpoint":"/v2/accounting/od/debt_to_penny","unit":"USD","description":"Total public debt outstanding, split public vs intragovernmental (Debt to the Penny).","fields":["total_public_debt","debt_held_by_public","intragovernmental_holdings"]},{"dataset":"operating_cash_balance","source":"fiscaldata","endpoint":"/v1/accounting/dts/operating_cash_balance","unit":"USD_millions","description":"Daily Treasury Statement operating cash balance — the Treasury General Account (TGA).","fields":["open_balance","close_balance","account_type"]},{"dataset":"mts_table_1","source":"fiscaldata","endpoint":"/v1/accounting/mts/mts_table_1","unit":"USD","description":"Monthly Treasury Statement — receipts, outlays and the deficit/surplus (Table 1).","fields":["receipts","outlays","deficit","classification","record_type","data_type","sequence","fiscal_year","calendar_month"]},{"dataset":"interest_expense","source":"fiscaldata","endpoint":"/v2/accounting/od/interest_expense","unit":"USD","description":"Interest expense on the public debt (monthly and fiscal-year-to-date).","fields":["month_expense","fytd_expense","category","group","security"]},{"dataset":"avg_interest_rates","source":"fiscaldata","endpoint":"/v2/accounting/od/avg_interest_rates","unit":"percent","description":"Average interest rates on the outstanding debt by security type.","fields":["avg_interest_rate","security_type","security"]}],"sources":{"fiscaldata":{"attribution":"Source: U.S. Department of the Treasury, Fiscal Data (public domain)","license":"U.S. Government Work, public domain","host":"api.fiscaldata.treasury.gov","keyless":true,"cache_ttl_seconds":21600,"note":"Keyless JSON REST. Response shape {data:[...]}; supports filter, sort, fields and page[size]/page[number]. The core reliable source."},"treasurydirect":{"attribution":"Source: U.S. Department of the Treasury, TreasuryDirect (public domain)","license":"U.S. Government Work, public domain","host":"www.treasurydirect.gov","keyless":true,"cache_ttl_seconds":3600,"note":"Keyless JSON array. Auction results (/securities/auctioned) + upcoming calendar."},"treasurygov":{"attribution":"Source: U.S. Department of the Treasury, Daily Treasury Par Yield Curve Rates (public domain)","license":"U.S. Government Work, public domain","host":"home.treasury.gov","keyless":true,"cache_ttl_seconds":21600,"note":"XML Atom feed (NOT JSON). DPI-risk host from some regions (RU/Cloud.ru) => the par yield curve is a PARTIAL grain: if the host is unreachable the /treasury/rates route still returns average interest rates with yield_curve_available:false, never a 500."}},"auction_types":["Bill","Note","Bond","TIPS","FRN","CMB"],"yield_curve_tenors":["1m","2m","3m","4m","6m","1y","2y","3y","5y","7y","10y","20y","30y"],"attribution":["Source: U.S. Department of the Treasury, Fiscal Data (public domain)","Source: U.S. Department of the Treasury, TreasuryDirect (public domain)","Source: U.S. Department of the Treasury, Daily Treasury Par Yield Curve Rates (public domain)"],"note":"Public-domain U.S. Government data. The par yield curve (home.treasury.gov) is a partial grain that degrades gracefully if the host is unreachable."}