US Treasury Securities Auctions — official Fiscal Data API, no

Monthly average interest rates on U.S. Treasury securities (Bills, Notes, Bonds, TIPS, and more — 22 types) via the Treasury's official public Fiscal Data API — no login, no API key. Query any security type and get every monthly rate on record. 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.

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.

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

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

US Treasury Auction Results Tracker API

nexgendata/us-treasury-auction-results

US Treasury auction results: yields, bid-to-cover ratio, offering & accepted amounts, bidder breakdown by security and date. For rates traders, macro analysts, and fintech.

Official US Treasury auction results, keyless: bid to cover, high rate, offering and accepted amounts, and the primary dealer, direct and indirect bidder split for every Bill, Note, Bond, TIPS and FRN. Filter by type, date or bid to cover, and see auctions announced before they are held.

US Treasury Auctions Scraper

parseforge/treasury-auctions-scraper

Scrapes US Treasury auction announcements by security type and start date, returning each auction as a flat row with announcement, auction, and maturity details.

Track monthly US Treasury interest expense by instrument type with current-month and fiscal-year-to-date official amounts.