{"uid":"cap_9P0Ga0TgycpoUA_l-VBXR","slug":"japanese-postal-code-to-address-lookup-jp-data-api-75454f89","name":"Japanese Postal Code to Address Lookup (jp-data-api)","description":"Japanese address validation and postal code lookup: 7-digit zip to prefecture/city/town with kana reading and Hepburn romaji. Use for shipping address verification, e-commerce checkout to Japan, logistics, KYC identity verification, CRM data cleaning, form autofill.","url":"https://jp-data-api-production.up.railway.app/address/normalize","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":["zip"],"properties":{"zip":{"type":"string","description":"7-digit postal code"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_L0yyFmnCwXef24Y2sRsU2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a 7-digit Japanese postal code (zip) into structured address components: prefecture, city, and town in kanji, kana reading, and Hepburn romaji","exampleAgentPrompt":"Can you look up the Japanese address for postal code 1000001 and give me the prefecture, city, and town name in both kanji and romaji?","exampleUseCases":null,"resultDescription":"Returns the full address breakdown for the given Japanese postal code, including prefecture, city, and town names in kanji, their kana readings, and Hepburn romaji transliterations — suitable for shipping forms, KYC verification, or CRM enrichment.","failureModes":["Invalid or non-existent 7-digit zip code returns an error or empty result","Zip code with fewer or more than 7 digits rejected as malformed","Zip code for a newly created or updated postal district may not be in the dataset","Network timeout or Railway hosting downtime returns HTTP 5xx"],"whenToPreferThis":"Use this endpoint when you need to resolve, validate, or autofill Japanese addresses from a postal code, especially when you need multi-script output (kanji, kana, romaji). Prefer it over generic geocoding APIs when the specific requirement is Japan postal code structure with kana/romaji support for e-commerce, logistics, or KYC workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:51:22.001Z","isFirstParty":false}