U.S. Treasury Fiscal Data
U.S. Department of the Treasury. Par yield curve, federal debt, auctions, average interest rates and the daily Treasury statement.
Endpoints
| Endpoint | What it returns |
|---|---|
yield-curve | Daily Treasury par yield curve rates (1-month to 30-year) for a year. |
auctions | Treasury securities auction announcements and results. |
avg-interest-rates | Monthly average interest rate on Treasury securities by type. |
daily-treasury-statement | Operating cash balance of the Treasury General Account from the Daily Treasury Statement. |
debt-to-penny | Total public debt outstanding, split into public and intragovernmental holdings. |
Licence and terms
Public U.S. government information. Publisher terms.
Apizie is independent and not affiliated with or endorsed by the SEC, the Federal Reserve, the ECB, the U.S. Treasury, GLEIF or the World Bank.
curl "https://apizie.tech/v1/finance:us-treasury/yield-curve?length=5" \
-H "x-api-key: $APIZIE_KEY"{
"official": true,
"provider": "U.S. Treasury Fiscal Data",
"publisher": "U.S. Department of the Treasury",
"url": "https://fiscaldata.treasury.gov/",
"retrievedAt": "2026-10-30T09:12:44.000Z",
"license": "Public U.S. government information",
"licenseUrl": "https://fiscaldata.treasury.gov/about-us/",
"attribution": "Source: U.S. Department of the Treasury (U.S. Treasury Fiscal Data), retrieved 2026-10-30"
}From an AI agent: connect the MCP server and ask, for example, “What is the 10-year Treasury par yield on the latest curve?”. The answer comes back with this source.
Questions
How do I get access?
U.S. Treasury Fiscal Data is part of Apizie Finance, a premium add-on from $49 a month that runs next to any Apizie plan. See /finance#pricing.
Is this the official U.S. Treasury Fiscal Data data?
Yes. Apizie calls U.S. Department of the Treasury's own public API (api.fiscaldata.treasury.gov) and returns the result as JSON. Every response links the official page and API URL it came from. Apizie is independent and not affiliated with or endorsed by the SEC, the Federal Reserve, the ECB, the U.S. Treasury, GLEIF or the World Bank.
How do I cite U.S. Treasury Fiscal Data data from Apizie?
Use the source block in the response: source.attribution is a ready-made line, source.url is a page a reader can open, and source.retrievedAt is when the data was fetched.
What licence applies?
Public U.S. government information. Read the publisher's terms at https://fiscaldata.treasury.gov/about-us/. These sources are part of Apizie Finance, and your Finance plan sets how you may use the data: inside your company on Finance Starter, in your own product with attribution on Finance Growth and Business. Redistribution needs an Enterprise agreement.
Can I get notified when U.S. Treasury Fiscal Data publishes something new?
Yes, with Apizie Finance. Data alerts send a signed data.changed webhook and a dashboard notification when the source updates.