{"uid":"cap_VlALgmGefU6Pa7wy55WGw","slug":"jp-grants-api-japanese-government-subsidy-grant-deadline-tracker-c944318d","name":"JP Grants API — Japanese Government Subsidy & Grant Deadline Tracker","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/eligible","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"data":[{"name":"<full paid response returns name from D1 jp_grants>","grant_id":"<full paid response returns matching grant_id from D1 jp_grants>","ministry":"meti","detail_url":"<full paid response returns J-Grants detail URL>","subsidy_rate":"<full paid response returns subsidy_rate from D1>","subsidy_type":"<full paid response returns subsidy_type from D1>","deadline_date":"<full paid response returns deadline_date from D1>","deadline_type":"fixed","match_reasons":["<full paid response returns array of match reasons derived from D1 + history join>"],"ranking_score":"<float: full paid response returns 5-factor review-priority ranking score>","ministry_label":"METI (Ministry of Economy, Trade and Industry)","recommendation":"<phrase: full paid response returns a review-required candidate phrase derived from score_breakdown; not application advice>","_history_source":{"case_count":"<integer: unpaid 402 shape preview does not query live upstream>","source_url":"<full paid response returns Mirasapo proxy URL or e-Stat URL>","fiscal_year":"<integer: full paid response returns from jp_grants_history>","adoption_rate":"<float 0.0-1.0: full paid response returns from jp_grants_history>"},"score_breakdown":{"size":{"value":"<float>","reason":"<full paid response explains size match from grant.target_company_size>","weight":0.2,"contribution":"<float>"},"history":{"value":"<float>","reason":"<full paid response cites Mirasapo case_count + e-Stat adoption_rate from jp_grants_history JOIN>","weight":0.2,"contribution":"<float>"},"urgency":{"value":"<float>","reason":"<full paid response returns urgency band from days_until_deadline>","weight":0.15,"contribution":"<float>"},"industry":{"value":"<float>","reason":"<full paid response explains industry match logic from D1 grant.target_industry vs profile.industry>","weight":0.3,"contribution":"<float>"},"prefecture":{"value":"<float>","reason":"<full paid response returns prefecture relevance based on the requested prefecture vs grant scope>","weight":0.15,"contribution":"<float>"}},"target_industry":["<full paid response returns target_industry array from D1>"],"confidence_score":"<float: full paid response returns requirement-data confidence across industry/size/prefecture>","missing_criteria":[],"unknown_criteria":["<full paid response returns unknown upstream criteria that lowered confidence_score>"],"eligibility_score":"<float|null: null when upstream requirement data is too sparse>","uncertainty_score":"<float: 1 - confidence_score>","max_subsidy_amount":"<integer: full paid response returns max_subsidy_amount from D1>","days_until_deadline":"<integer: full paid response computes from deadline_date>","target_company_size":["<missing>"],"recommendation_label":"<enum: insufficient_data_review|strong_candidate_deadline_review|strong_candidate_prepare_review|medium_review|needs_requirements_review|mismatch_review|low_alternative|unlikely|expired>","requirement_confidence":"<high|medium|low>","eligibility_score_status":"<displayable|insufficient_data>","display_eligibility_score":"<float|null: same as eligibility_score for UI display>"}],"_role":"shape_preview_echoes_query_for_paid_response","profile":{"industry":"<missing>","prefecture":null,"company_size":"<missing>"},"_disclaimer":"ranking_score orders candidates for review. eligibility_score is null when upstream requirement fields are too sparse; confidence_score shows how much of the core requirement data was explicit. Unknown upstream criteria are returned in unknown_criteria and are not treated as high-confidence matches. Not legal advice. Verify requirements with the official grant source before applying.","_attribution":{"j_grants":"Digital Agency J-Grants (jgrants-portal.go.jp)","mirasapo":"METI Mirasapo Plus (mirasapo-plus.go.jp)"},"_sample_note":"Unpaid 402 shape preview mirrors paid response shape exactly (jp-grants.ts /api/grants/eligible handler). Paid 200 queries D1 jp_grants + 5-factor scoring + jp_grants_history JOIN scoped to the prefecture.","total_matched":"<integer: unpaid 402 shape preview does not query live upstream; full paid response returns count after 5-factor scoring + history join>","returned_count":"<integer: full paid response returns up to limit (default 10) ranked by ranking_score DESC>"},"mimeType":"application/json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_L10WxvvUrc2mi4HRh49Eg","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns eligible Japanese government subsidies and grants ranked by relevance for a given company profile, aggregating J-Grants, Mirasapo Plus, and e-Stat data with adoption history and urgency scoring","exampleAgentPrompt":"Find me eligible Japanese government grants for a small IT company based in Aichi prefecture — rank them by urgency and adoption rate so I know which ones to review first.","exampleUseCases":null,"resultDescription":"A JSON array of matched grants each containing the grant name, grant ID, issuing ministry (e.g. METI), a J-Grants detail URL, subsidy rate, subsidy type, deadline date, match reasons, a 5-factor ranking score, an adoption history object (case count, adoption rate, fiscal year, Mirasapo/e-Stat source URL), a per-factor score breakdown (industry, size, urgency, history, prefecture with weights and contributions), and a recommendation phrase indicating review priority — all derived from live D1 database joins against jp_grants and jp_grants_history tables.","failureModes":["402 Payment Required — x402 micropayment of $0.05 USDC on Base not completed; response includes shape preview with placeholder values only","No matching grants returned if company profile parameters don't match any active grants in the D1 database","Stale data if upstream J-Grants or Mirasapo Plus feeds have not been refreshed recently","Invalid or missing query parameters result in empty result set or error response","Deadline passed — grants past their deadline_date may not appear in eligible results"],"whenToPreferThis":"Use this endpoint when you need to find and rank Japanese government subsidies or grants for a specific business profile (size, industry, prefecture) and want aggregated data from J-Grants, Mirasapo Plus, and e-Stat in a single call with historical adoption rates and urgency scoring. Prefer this over manual J-Grants browsing or generic subsidy databases when building AI agents that assist Japanese SMEs or startups with funding discovery.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:40:40.228Z","isFirstParty":false}