{"uid":"cap_ohXiSXYQlk_lm17-CJh_0","slug":"bank-of-japan-interest-rate-series-agentfeeds-jp-2a84a15d","name":"Bank of Japan Interest Rate Series (agentfeeds.jp)","description":"Historical and current Japanese interest-rate series from the Bank of Japan's official Time-Series Data Search Site: the unsecured overnight call rate (proxy for the BOJ policy rate operating target, daily since 1998) and the basic discount/loan rate (formerly 公定歩合, daily since 1882). Factual published data only; not investment advice or a rate forecast.","url":"https://api.agentfeeds.jp/v1/boj/rates","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","required":["series"],"properties":{"end":{"type":"string","description":"optional end period, YYYYMM"},"limit":{"type":"integer","description":"1-2000, default 100 (most recent observations)"},"start":{"type":"string","description":"optional start period, YYYYMM"},"series":{"enum":["call_rate_on","discount_rate"],"type":"string","description":"call_rate_on = unsecured overnight call rate (policy-rate proxy); discount_rate = basic discount/loan rate"}}}},"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_g-gLj3rfVSXQMFytuPHOW","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 historical and current Bank of Japan interest rate time series — unsecured overnight call rate or basic discount/loan rate — from official BOJ data.","exampleAgentPrompt":"What's the Bank of Japan overnight call rate been doing over the last 24 months? Pull the call_rate_on series starting from January 2023 — I want to see the full monthly history.","exampleUseCases":null,"resultDescription":"An array of dated observations for the requested BOJ rate series (call_rate_on or discount_rate), each with a period timestamp and rate value, filtered to the requested date range and limited to the specified number of rows (default 100 most recent).","failureModes":["Invalid series enum value returns a validation error","Start/end period in wrong format (not YYYYMM) returns a bad request error","Limit outside 1-2000 range returns a validation error","Payment not completed (x402 protocol) returns a 402 Payment Required response","No data available for the requested date range returns an empty observations array"],"whenToPreferThis":"Use this endpoint when you need official Bank of Japan interest rate data — specifically the unsecured overnight call rate (BOJ policy rate proxy, daily since 1998) or the basic discount/loan rate (公定歩合, daily since 1882) — directly from BOJ published figures. Prefer this over scraping BOJ's website or using general financial data APIs when you need clean, structured, machine-readable Japanese central bank rate data with a defined cost per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:58:24.918Z","isFirstParty":false}