# Services from treasury-macro.x402tookit.com on Zero

> treasury-macro.x402tookit.com serves 6 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/treasury-macro.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/treasury-macro.x402tookit.com/health.json

## Services

- [US Treasury Yield Curve](https://www.zero.xyz/c/us-treasury-yield-curve-161bdb84/llms.txt): $0.02/call via x402. Returns the latest US Treasury yield curve across all maturities (1M–30Y), plus 2s10s and 3m10y spreads and a normal/flat/inverted verdict.
- [US Treasury Average Interest Rates](https://www.zero.xyz/c/us-treasury-average-interest-rates-3d040fa5/llms.txt): $0.02/call via x402. Returns the average interest rate the US government pays on Treasury bills, notes, bonds, and TIPS, with year-over-year change.
- [US Treasury Official Quarterly FX Rate](https://www.zero.xyz/c/us-treasury-official-quarterly-fx-rate-682264bf/llms.txt): $0.02/call via x402. Returns the US Treasury's official quarterly reporting exchange rate for a given country's currency, including the current rate, effective date, and prior quarters' history.
- [US Treasury National Debt (Debt to the Penny)](https://www.zero.xyz/c/us-treasury-national-debt-debt-to-the-penny-fb93c0e9/llms.txt): $0.02/call via x402. Returns the current US national debt broken down into total, debt held by the public, and intragovernmental holdings, plus year-over-year growth and daily increase rate.
- [US Treasury Interest Expense on Public Debt](https://www.zero.xyz/c/us-treasury-interest-expense-on-public-debt-831e52f7/llms.txt): $0.02/call via x402. Returns the latest month's US federal interest expense on public debt, fiscal-year-to-date totals, and a breakdown by security type.
- [US Treasury Yield Spread](https://www.zero.xyz/c/us-treasury-yield-spread-7e5ccca8/llms.txt): $0.02/call via x402. Returns the spread between two selected Treasury maturities (e.g. 2Y vs 10Y), with recent daily history and an inverted/normal curve verdict.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)