# US Treasury Macro

US national debt, Treasury yield curve, average interest rates, interest expense and Treasury exchange rates from US Treasury data.

## How to pay

Machine-payable over x402. USDC on: Base (eip155:8453), Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp), Polygon (eip155:137), Arbitrum One (eip155:42161).
No accounts. No API keys. No signup. The paying wallet is the account.

## Machine-readable

- OpenAPI: https://treasury-macro.x402tookit.com/openapi.json
- x402 manifest: https://treasury-macro.x402tookit.com/.well-known/x402
- Catalog (free): https://treasury-macro.x402tookit.com/catalog
- Health (free): https://treasury-macro.x402tookit.com/health
- Uptime (free): https://treasury-macro.x402tookit.com/uptime

## Endpoints (6)

### GET /treasury-fx-rate — $0.02
US Treasury official quarterly reporting exchange rate for a country's currency, with effective date and prior quarters.
Params: country: string
Example: https://treasury-macro.x402tookit.com/treasury-fx-rate?country=Canada

### GET /us-avg-interest-rates — $0.02
Average interest rate the US government pays on Treasury bills, notes, bonds and TIPS, with change from a year ago.
Params: view?: string
Example: https://treasury-macro.x402tookit.com/us-avg-interest-rates?view=now

### GET /us-debt — $0.02
US national debt now (Debt to the Penny): total, public vs intragovernmental, growth over a year and per day.
Params: view?: string
Example: https://treasury-macro.x402tookit.com/us-debt?view=now

### GET /us-interest-expense — $0.02
US federal interest expense on public debt: latest month, fiscal-year-to-date and split by security type.
Params: view?: string
Example: https://treasury-macro.x402tookit.com/us-interest-expense?view=now

### GET /us-yield-curve — $0.02
Latest US Treasury yield curve from 1 month to 30 years, with 2s10s and 3m10y spreads and an inverted/flat/normal verdict.
Params: view?: string
Example: https://treasury-macro.x402tookit.com/us-yield-curve?view=now

### GET /us-yield-spread — $0.02
Spread between two Treasury maturities (for example 2Y and 10Y) now and over recent days, with inverted/normal verdict.
Params: short: string, long: string
Example: https://treasury-macro.x402tookit.com/us-yield-spread?short=2Y&long=10Y

## Terms

Figures computed from US Department of the Treasury open data (FiscalData and daily Treasury yield curve rates), US government public domain, provided as is. Yields are end-of-day par rates, not tradable quotes. Not investment or tax advice and not affiliated with the Treasury.