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Treasury Yield Curve
x402
Treasury Yield Curve is a paid API for AI agents from api.marketintelligenceapi.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
Returns the full US Treasury yield curve with par and real yields, key spreads, inversion flags, breakeven inflation, SOFR, EFFR, and euro STR from official sources.
Price / call$0.01
Success—
StatusUnknown
How this service works
Treasury yield curve ($0.01): US Treasury yields from 1 month to 30 years, par and real (TIPS), daily changes, 2s10s, 3m10y and 5s30s spreads with inversion flags, 10-year breakeven inflation, SOFR, EFFR and euro STR. Official Treasury and Fed data.
Output
A JSON object containing US Treasury par yields and real (TIPS) yields from 1 month to 30 years, daily changes for each tenor, key spread values (2s10s, 3m10y, 5s30s) with boolean inversion flags, 10-year breakeven inflation rate, SOFR, EFFR, and euro STR — all sourced from official US Treasury and Federal Reserve data.
Example use cases
Yield curve inversion alert for macro dashboard
“Pull the current Treasury yield curve and tell me whether the 2s10s and 3m10y spreads are inverted — I need the exact spread values and inversion flags.”
Inflation expectations check
“What is the 10-year breakeven inflation rate right now based on TIPS, and how did it change today?”
Short-rate monitoring for rate-sensitive portfolio
“Get me today's SOFR, EFFR, and euro STR rates, plus the 5s30s Treasury spread, so I can assess the short-end rate environment.”
Technical details
Endpoint
GEThttps://api.marketintelligenceapi.com/api/v1/rates/treasury-yield-curve?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a comprehensive, single-call snapshot of the entire US Treasury yield curve including spreads, inversion status, breakeven inflation, and key short-term benchmark rates (SOFR/EFFR/euro STR) sourced directly from official government and central bank data. Prefer it over general financial data APIs when you need the curated set of macro rate indicators that matter to fixed income and macro analysts, without having to stitch together multiple data sources.
Side effects
- Official Treasury/Fed data source temporarily unavailable — upstream data may be delayed on weekends or holidays
- Rate limiting if called too frequently — returns 429
- Invalid payment or insufficient USDC balance — returns 402 Payment Required
- Network timeout on the provider's upstream data feed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Tags
x402
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