Corporate name normalization
Handle legal-form position, spacing, width, case, and bounded aliases without learning Japanese naming rules.
Japan Business Mix API
Find and understand
Japanese businesses.
Enter an English company name, corporate number, invoice registration number, or romanized location and receive source-backed Japanese corporate data in one request.
Uses official National Tax Agency Corporate Number and Qualified Invoice Issuer Web-API data. Application access is not an endorsement of JAPAN API STORE.
GET
/v1/business/resolve?q=Toyota%20Motor%20CorporationHTTP 200{
"match": { "status": "matched", "confidence": "high" },
"business": {
"name_ja": "トヨタ自動車株式会社",
"normalized_name": "トヨタ自動車",
"corporate_type": "株式会社",
"corporate_type_position": "suffix"
},
"nta": { "verified": true, "status": "verified" },
"invoice": { "registered": true, "valid": true },
"corporate_group": {
"group_name": "トヨタグループ",
"disclosed_group_company_count": 16
},
"real_estate": { "scope": "address_area" },
"sources": [{ "provider": "nta", "status": "matched" }]
}Try it free — no signup
Look up a Japanese company
Enter an English company name, romanized location, corporate number, or T-prefixed invoice registration number. The API finds the official Japanese company record.
Try a sample
No Japanese typing is required. Enter an English or romanized company name and receive its official Japanese legal name, corporate number, location, and public evidence.
Your easy-to-read result appears here.
No account, API knowledge, or card is needed.
Official government data
Company and invoice status from National Tax Agency Web-APIs.
JAPAN API STORE processes data retrieved from the National Tax Agency Corporate Number Publication Site and Qualified Invoice Issuer Publication System Web-APIs. The National Tax Agency does not endorse or guarantee this independent service.
このサービスは、国税庁法人番号システムのWeb-API機能を利用して取得した情報をもとに作成しているが、サービスの内容は国税庁によって保証されたものではない。 このサービスは、適格請求書発行事業者公表システムWeb-API機能を利用して取得した情報をもとに作成しているが、サービスの内容は国税庁によって保証されたものではない。
Why Business Mix API?
Replace a half-hour of Japanese public-data research with a traceable API call.
Search and resolve Japanese businesses without understanding Japanese corporate naming and address conventions.
Nationwide address resolution
Reuse Japan Address Mix for postal codes, parcel or residential evidence, buildings, and rooms.
One unified response
Combine corporate group, registrations, filings, regional statistics, and address-area context.
Official NTA verification
Verify corporate-number records and qualified invoice issuer status through official National Tax Agency Web-APIs.
English-friendly JSON
Expose Japanese labels with English corporate-type guidance without inventing official English names.
Partial by design
A slow or unavailable provider cannot erase useful data returned by the others.
Built for global developers
One Japanese company API, four practical workflows.
CRM enrichment
Turn an English or romanized company name into official Japanese corporate and address fields before it enters your CRM.
Vendor verification
Confirm corporate identity, qualified invoice issuer status, officially disclosed group companies, and source freshness without guessing.
Market research
Combine company facts with municipality demographics and address-area context for market analysis.
Sales intelligence
Resolve Japanese prospects and expose registrations, procurement, subsidies, and filings when public data exists.
Powered by Japan Address Mix
One address engine, no duplicated normalization.
- 1Find safe candidates
Normalize company names and legal forms, then keep ambiguous corporations as candidates.
- 2Resolve the official address
Use the existing nationwide Address Mix engine for verified and unresolved components.
- 3Join public evidence
Add available gBizINFO, e-Stat, EDINET, MLIT, and source-backed corporate-group disclosures without guessing missing values.
Quick Start
Resolve one business.
curl "https://api.japanapistore.com/v1/business/resolve?q=Toyota%20Motor%20Corporation" \
-H "Authorization: Bearer ${JAPAN_API_KEY}"Start with a real Japanese business.
Use the free Developer plan, then move from candidate search to source-backed company data in minutes.