PASAR API · JAPAN

APIs in Japan

17 verified APIs for building in Japan ~ 9 government / open-data sources plus commercial providers (payments, maps, banking, transit and more), each with auth, pricing and docs at a glance. Open the app to search, copy a snippet, or connect it to your AI agent.

Maps & location 5

zipcloud ~ Japan postal code to address lookup IBIS Inc. (zipcloud) · free · no-auth
HeartRails Geo ~ Japan address/station geocoding HeartRails Inc. · free · no-auth
GSI ~ Japan map tiles, elevation & geocoding Geospatial Information Authority of Japan (国土地理院) · free · no-auth
Yahoo! JAPAN ~ YOLP maps, geocoding & local search LY Corporation (Yahoo! JAPAN) · freemium
PostcodeJP ~ Japanese postal code & address API PostcodeJP · freemium

Government services 4

e-Stat ~ Japan official statistics API Statistics Bureau of Japan (e-Stat) · free
data.go.jp ~ Japan open data catalog Digital Agency of Japan · free · no-auth
RESAS ~ Japan regional economy statistics API Cabinet Office / METI (RESAS) · free
National Tax Agency ~ corporate number API National Tax Agency (国税庁) · free

Payments 3

PAY.JP ~ Japanese card payments API PAY, Inc. (BASE group) · paid
KOMOJU ~ konbini, PayPay & Japan payment methods Degica Co., Ltd. · paid
fincode by GMO ~ REST payments for startups GMO Epsilon / GMO Payment Gateway · paid

E-commerce 1

Rakuten ~ Ichiba, Books, Travel & Recipe Web Service Rakuten Group · free

Data & enrichment 1

National Diet Library ~ bibliographic search API National Diet Library (国立国会図書館) · free · no-auth

Communications 1

LINE ~ Messaging API for bots & notifications LINE Corporation (LY Corporation) · freemium

Travel & mobility 1

Ekispert ~ train route search & station data API Val Laboratory Corporation (ヴァル研究所) · freemium

Realtime 1

ODPT ~ Tokyo transit realtime open data Association for Open Data of Public Transportation · free