U.S. Treasury Average Interest Rates
Official daily and monthly average interest rates on U.S. Treasury securities (Treasury Bills, Notes, Bonds, TIPS, FRN) from the U.S. Department of the Treasury Fiscal Data program.
Institutional Source & Provenance
Curated by U.S. Department of the Treasury (Fiscal Data) (Economic).
Machine Query Protocol (Fodda MCP)
Query this dataset directly inside Claude, ChatGPT, Copilot, or custom agent workflows:
POST https://api.fodda.ai/v1/graphs/treasury_fiscal/search