Wild APIs

Fed Treasury

FreeLiveLast verified 24 Sept 2026
US Treasury data on federal debt, revenue, spending, interest rates, and savings bonds.

Example request

curl -g 'https://api.fiscaldata.treasury.gov/services/api/fiscal_service/v2/accounting/od/debt_to_penny?page[size]=1'

Free tier, in plain English

Fully open API with no account, key, or documented usage cap.

Alternatives in Stock Market