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agentfeeds.jp JGB Yield Curve
x402
agentfeeds.jp JGB Yield Curve is a paid API for AI agents from api.agentfeeds.jp, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Fetches the Japanese Government Bond yield curve (15 tenors from 1 to 40 years) from Japan Ministry of Finance daily reference data.
Price / call$0.002
Success—
StatusUnknown
How this service works
Japanese government bond yield curve (1 to 40 years, 15 tenors) from the Ministry of Finance's daily reference series. Complements boj.rates (the short-end policy-rate proxy) with the long end of the curve. Factual published data only; not investment advice or a rate forecast.
Output
Returns a structured set of 15 JGB tenor yield data points (maturities from 1 to 40 years) from Japan's Ministry of Finance daily reference series, for the requested date or the most recent published business day. Includes yield percentages per tenor.
Example use cases
Daily JGB curve snapshot for trading desk
“Pull today's full JGB yield curve from the Ministry of Finance — I need all 15 tenors from 1 to 40 years so we can update our Japan rates dashboard.”
Historical curve for a specific past date
“Get me the Japanese Government Bond yield curve for March 15, 2024 — I want to see where JGB yields were sitting across all maturities that day.”
Long-end JGB yield for yen carry analysis
“What does the Japan MOF yield curve look like right now at the long end, especially the 20, 30, and 40-year tenors? I'm comparing against US Treasuries for a carry trade analysis.”
Technical details
Endpoint
GEThttps://api.agentfeeds.jp/v1/jp/rates/jgb_curveWhen to prefer
Use this endpoint when you need the full long-end Japanese Government Bond yield curve across 15 tenors (1–40 years) sourced directly from Japan's Ministry of Finance. Prefer this over boj.rates (which covers the short-end policy rate) when you need the complete term structure for fixed income analysis, duration modeling, or Japan sovereign yield comparisons.
Side effects
- Non-business day or market holiday date returns no data or falls back to most recent available day
- Future dates return an error or empty result
- Malformed ISO date string causes a validation error
- Service unavailable if MOF source is delayed or not yet published for the day
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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