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US Treasury Yield Curve
x402
US Treasury Yield Curve is a paid API for AI agents from treasury-macro.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Returns the latest US Treasury yield curve across all maturities (1M–30Y), plus 2s10s and 3m10y spreads and a normal/flat/inverted verdict.
Price / call$0.02
Success—
StatusUnknown
How this service works
Latest US Treasury yield curve from 1 month to 30 years, with 2s10s and 3m10y spreads and an inverted/flat/normal verdict.
Output
A JSON object containing: the date and as-of timestamp of the data, yield values for each Treasury maturity (1M, 2M, 3M, 4M, 6M, 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, 20Y, 30Y), the 2s10s spread, the 3m10y spread, a verdict string (normal/flat/inverted), an array of reasons supporting the verdict, a human-readable summary, day-over-day changes per maturity, previous date data, source URL, attribution, disclaimer, and a degraded flag if data is incomplete.
Example use cases
Recession signal monitoring
“Is the US yield curve currently inverted? Give me the 2s10s and 3-month to 10-year spreads and the overall verdict — normal, flat, or inverted.”
Fixed income portfolio briefing
“Pull the latest Treasury yields for all maturities from 1 month through 30 years so I can see where rates are sitting across the curve today.”
Daily macro market snapshot
“What changed in the Treasury yield curve since yesterday? Show me today's yields and any day-over-day moves across maturities.”
Technical details
Endpoint
GEThttps://treasury-macro.x402tookit.com/us-yield-curve?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a complete, ready-interpreted US Treasury yield curve snapshot with pre-computed spreads and an explicit inversion verdict — saving you from fetching raw Treasury data and computing spreads yourself. Prefer it over building your own Treasury scraper or using a general financial data API when you specifically want the 2s10s and 3m10y spread analysis with a plain-English normal/flat/inverted classification.
Side effects
- Treasury data source temporarily unavailable — degraded flag set to true with partial data
- Treasury market closed or holiday — may return previous business day's data
- Rate limiting or payment failure — 402 response requiring USDC payment
- Null values for specific maturities if Treasury didn't publish that tenor
- Schema truncation if upstream data feed is stale
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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