Japan Postal Code & Address API

Mapping Freemium View on RapidAPI ↗

Japanese address lookup by postal code, reverse postal-code search by address, and prefecture list. Official Japan Post data (120,000+ codes).

1 subscribers
3 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Japan Postal Code & Address API endpoints

MethodEndpointDescription
v1
GET /v1/zip
/v1/zip 		Look up the address(es) for a 7-digit postal code (hyphen allowed).
GET /v1/search
/v1/search 		Search postal codes by free-text address (q) and/or prefecture/city/town filters (all partial-match).
GET /v1/prefectures
/v1/prefectures 		List of Japanese prefecture names. No parameters.

Japan Postal Code & Address API pricing

PlanPriceRate limitQuotas
BASIC Free —
  • Requests: 1,000 / monthly
PRO Recommended $4.99 / month —
  • Requests: 50,000 / monthly
ULTRA $29.99 / month —
  • Requests: 500,000 / monthly

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