jp-data-api-production.up.railway.app

https://jp-data-api-production.up.railway.app

● healthy general

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.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://jp-data-api-production.up.railway.app

/.well-known/x402.json

https://jp-data-api-production.up.railway.app/.well-known/x402