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US Treasury Yield Spread
x402
US Treasury Yield Spread 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 spread between two selected Treasury maturities (e.g. 2Y vs 10Y), with recent daily history and an inverted/normal curve verdict.
Price / call$0.02
Success—
StatusUnknown
How this service works
Spread between two Treasury maturities (for example 2Y and 10Y) now and over recent days, with inverted/normal verdict.
Output
Returns the current spread value between the two specified Treasury maturities, individual yield levels for each maturity, a time series of recent daily spread readings, the number of days the curve has been inverted, a plain-language verdict (inverted vs normal), a summary explanation, and source attribution. May include a degraded flag and disclaimer if data is stale or partial.
Example use cases
Yield curve inversion monitoring
“Check the 2Y vs 10Y Treasury yield spread for me — is the curve still inverted, and how many days has it been inverted?”
Recession signal research
“Pull the 3-month vs 10-year Treasury spread and tell me whether the curve is inverted or normal, along with the recent trend over the last few days.”
Long-end curve steepness check
“What's the current spread between the 5-year and 30-year Treasuries, and has it been widening or narrowing recently?”
Technical details
Endpoint
GEThttps://treasury-macro.x402tookit.com/us-yield-spread?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a focused, precomputed spread between exactly two Treasury maturities with an opinionated inverted/normal verdict and multi-day history. Prefer this over the full yield curve endpoint when you only care about a specific maturity pair (e.g. 2s10s or 3m10y) and want the inversion count and verdict included automatically.
Side effects
- Missing or invalid 'short' or 'long' query parameters returns an error
- If 'short' maturity is longer than 'long' maturity, results may be semantically incorrect
- Treasury data source unavailable may return degraded mode with stale data
- Unsupported maturity codes (e.g. typos) cause validation failures
- Network or payment (x402) failure prevents response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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