{"uid":"cap_VX3kaEEeXqs4nZchZBnqG","slug":"jp-grants-api-japanese-government-subsidy-grant-detail-lookup-e0c3dd84","name":"JP Grants API — Japanese Government Subsidy & Grant Detail Lookup","description":"Japanese government subsidy / grant deadline tracker for AI agents (J-Grants + Mirasapo Plus + e-Stat aggregated). x402 micropayments on Base. No API key.","url":"https://jp-grants-data-api.kasanegi123.workers.dev/api/grants/detail","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"name":"<Grant name in Japanese UTF-8, e.g. IT Nyuusho Hojoskin>","_role":"shape_preview_echoes_query_for_paid_response","outline":"<full paid response returns outline from D1 jp_grants>","grant_id":"a0WJ200000CDYBTMA5","ministry":"meti","_attribution":{"j_grants":"Digital Agency J-Grants (jgrants-portal.go.jp)"},"_sample_note":"Unpaid 402 shape preview echoes the requested grant_id; full paid response queries D1 jp_grants and returns the canonical name + outline + subsidy_rate + deadline.","subsidy_rate":"2/3","deadline_date":"2026-06-30","deadline_type":"fixed","ministry_label":"METI (Ministry of Economy, Trade and Industry)","application_method":"Online via J-Grants","max_subsidy_amount":4500000,"days_until_deadline":67},"mimeType":"application/json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IR4p8BylwbKlAd-zGKHX2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves detailed information for a specific Japanese government grant/subsidy by ID, including name, outline, subsidy rate, deadline, and max amount, aggregated from J-Grants, Mirasapo Plus, and e-Stat.","exampleAgentPrompt":"Can you pull up the full details for Japanese government grant ID a0WJ200000CDYBTMA5 — I want to know the subsidy rate, maximum amount, deadline date, and how many days I have left to apply?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the grant's canonical Japanese name, full outline description, ministry name and label, subsidy rate (e.g. '2/3'), deadline date (ISO format), deadline type (fixed/rolling), days until deadline, maximum subsidy amount in JPY, and application method — all sourced from D1-backed aggregation of J-Grants, Mirasapo Plus, and e-Stat.","failureModes":["Invalid or unknown grant_id returns shape-preview echo with no real data (402 unpaid response pattern)","Payment not processed — returns 402 with preview shape instead of full data","grant_id not found in D1 database — may return empty or null fields","Network timeout on Cloudflare Worker edge node","Stale data if grant has recently closed or details have changed upstream"],"whenToPreferThis":"Use this endpoint when you have a specific Japanese government grant ID (from J-Grants or related sources) and need full canonical details — outline, subsidy rate, deadline, and max amount — in a single low-cost call. Prefer this over search/list endpoints when you already know the grant_id and want authoritative structured data for a specific grant rather than browsing options.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:43.850Z","isFirstParty":false}