US Treasury Average Interest Rates — official Fiscal Data API,

Historical U.S. Treasury auction results (Bills, Notes, Bonds, TIPS, FRNs) via the official public Fiscal Data API — no login, no API key. Query any security term and get every auction: yield, bid-to-cover ratio, offering amount, tender totals. Official U.S. gov data, licensed for commercial reuse.

Track the average monthly interest rate the US Treasury pays across a security category (Treasury Bills, Notes, Bonds, TIPS, and more), with year-over-year comparison, via the official US Treasury Fiscal Data API.

Historical average interest rates on US Treasury securities (bills, notes, bonds) over any date range — from the official Treasury FiscalData API.

Per-record US Treasury fiscal data from the official keyless Fiscal Data API. Average interest rates by security and total public debt, with record dates and units. Public domain, commercial reuse, no personal data.

Extract US Treasury fiscal data including national debt (Debt to the Penny), monthly public debt statements, Treasury spending and revenue, average interest rates on securities, and exchange rates. Free API, no proxy needed.

Extract national debt, interest rates, spending, and receipts from the US Treasury FiscalData API.

US Treasury Fiscal Data Scraper. No API key required. Pay only per result; empty or failed runs cost nothing.

US Treasury Data — Yields, Debt & Rates for AI Agents

haketa/treasury-data

Get official US Treasury data for AI agents: daily yield curve (with 2s10s spread), national debt, average interest rates, interest expense and official exchange rates. Real-time fiscal & rates grounding for finance, macro and trading agents — keyless.

Query official Treasury FiscalData time series for Debt to the Penny and average Treasury security interest rates. Filter dates, fiscal year and calendar month; paginate and receive normalized values, units, source URLs and revision caveats.