{"uid":"cap_iXr3qAzmvBMfC1X20a98_","slug":"agentfeeds-jp-jgb-yield-curve-b4a5a4d6","name":"agentfeeds.jp JGB Yield Curve","description":"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.","url":"https://api.agentfeeds.jp/v1/jp/rates/jgb_curve","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"date":{"type":"string","description":"optional ISO date; defaults to the most recent published business day"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MeCJXpncanQMmdkFky0Gt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the Japanese Government Bond yield curve (15 tenors from 1 to 40 years) from Japan Ministry of Finance daily reference data.","exampleAgentPrompt":"Can you pull today's full Japanese Government Bond yield curve from the Ministry of Finance — I need all the tenors from 1 year out to 40 years.","exampleUseCases":[{"title":"Daily JGB curve snapshot for trading desk","prompt":"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."},{"title":"Historical curve for a specific past date","prompt":"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."},{"title":"Long-end JGB yield for yen carry analysis","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:42.852Z","isFirstParty":false}