{"uid":"cap_x2i4R5_W13qUrzGlgMSFu","slug":"heartrails-express-japan-railway-station-lookup-3928cdd6","name":"HeartRails Express Japan Railway Station Lookup","description":"Japan (HeartRails Express API): railway stations matching a name, with prefecture, line and postal code. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/heartrails-jp-stations","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"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_MJzra14hU3Mny3l5KvAzJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search Japanese railway stations by name, returning prefecture, rail line, and postal code information","exampleAgentPrompt":"Can you find the Japanese railway station called 'Shinjuku' and tell me which prefecture it's in, what rail lines serve it, and its postal code?","exampleUseCases":null,"resultDescription":"A JSON array of railway stations matching the query, each containing the station name, prefecture, rail line name, and postal code.","failureModes":["No stations found for the given query string — returns empty results array","Query parameter missing — may return error or all stations","Station name ambiguous — returns multiple matches across different lines and prefectures","API unavailable or payment failure — HTTP 402 or 5xx error"],"whenToPreferThis":"Use this endpoint when you need to look up Japanese railway station metadata — specifically prefecture, rail line, and postal code — by station name. Ideal for transit routing apps, address enrichment with postal codes, or geographic lookups of stations within Japan. Not suitable for real-time train schedules, fare information, or non-Japanese rail systems.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:03:16.861Z","isFirstParty":false}