{"uid":"cap_34jDyXo3UfUlrcDeIz8yA","slug":"japan-government-grants-search-api-50a0ee77","name":"Japan Government Grants Search API","description":"Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.","url":"https://api.kasanegi.com/v1/grants/search","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","required":["method"],"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","default":10,"maximum":50,"minimum":1,"description":"Max results 1-50."},"offset":{"type":"integer","default":0,"minimum":0,"description":"Pagination offset."},"keyword":{"type":"string","description":"Keyword filter (Japanese or romaji)."},"verbose":{"type":"boolean","default":false,"description":"Verbose."},"industry":{"type":"string","description":"Industry filter."},"prefecture":{"type":"string","description":"Prefecture filter."},"company_size":{"enum":["micro","small","medium","sme"],"type":"string","description":"Company size filter."},"deadline_within":{"type":"integer","maximum":365,"minimum":1,"description":"Deadline within N days (1-365)."}}}}}}},"responseSchema":{"type":"json","mimeType":"application/json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_YVBpJOZjA8PM74qBND6dS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search Japanese government and public grants with filters for keyword, industry, prefecture, company size, and deadline","exampleAgentPrompt":"Search kasanegi for Japanese government grants available to small-sized companies in the manufacturing industry in Aichi prefecture, with a deadline within 90 days — show me up to 20 results.","exampleUseCases":[{"title":"Find urgent funding for Tokyo tech startup","prompt":"Look up Japanese government grants for tech companies in Tokyo that expire within the next 45 days — I need to apply before they close."},{"title":"Discover agriculture subsidies for rural SMEs","prompt":"Search kasanegi for public funding programs available to small agricultural businesses in Hokkaido prefecture — what subsidies can help us modernize our operations?"},{"title":"Identify IT company grants by deadline","prompt":"Find all Japanese government grants for IT and software companies nationwide with deadlines in the next 60 days, sorted by how much funding they offer."}],"resultDescription":"A JSON array of matching Japanese government grant and subsidy programs, filtered by the specified criteria, including grant details such as name, description, eligibility, deadline, and relevant industry or prefecture information.","failureModes":["Invalid company_size enum value returns 400 error","Unsupported prefecture name or misspelling returns empty results","deadline_within outside 1-365 range returns validation error","limit exceeding 50 returns 400 error","Payment not provided or insufficient USDC returns 402 Payment Required","No matching grants found returns empty results array","Japanese keyword encoding issues may reduce match quality"],"whenToPreferThis":"Use this endpoint when you need to programmatically search Japanese government grants and public subsidies without scraping government websites. Ideal for agents helping Japanese SMEs find funding, fintech apps surfacing relevant grants, or business tools that need filtered grant discovery by industry, region, company size, or urgency (upcoming deadlines). Prefer this over raw scraping when you need clean, structured, filterable grant data in a single API call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:51:32.267Z","isFirstParty":false}