Treasury Fiscal Data API
Bureau of the Fiscal Service API at api.fiscaldata.treasury.gov exposing Treasury's authoritative fiscal datasets — Debt to the Penny, Monthly Treasury Statement, Daily Treasury Statement, Exchange Rates, Treasury Reporting Rates of Exchange, Average Interest Rates, Historical Debt Outstanding, and Securities Outstanding. JSON / XML / CSV responses. No API key required.
Treasury Fiscal Data API is one of 21 APIs that Public Sector publishes on the APIs.io network.
Tagged areas include Federal, Treasury, Fiscal Data, Debt, and Exchange Rates. The published artifact set on APIs.io includes API documentation.