Japan Houjin Bangou Registry — 法人番号 API

Japan Houjin Bangou Registry

Japan Houjin Bangou Registry is a NexGenData tool on Apify that returns corporate number records with kanji, katakana and English names and addresses from Japan's National Tax Agency corporate-number registry.

🔑 First: get your free NTA application ID

This actor reads Japan's National Tax Agency (NTA) corporate-number Web-API, which answers only with an application ID. The ID is free, but the NTA issues it by email and says this takes about two weeks to a month.

1. Apply on the NTA Web-API page, https://www.invoice-kohyo.nta.go.jp/web-api/index.html: press 発行届出 for a 法人番号用アプリケーションID (corporate-number application ID) and register your email address.
2. Fill in the basic details through the link the NTA emails you.
3. Paste the ID the NTA sends you into the NTA application ID field, the first field in the input form, and start the run.

No ID: Apify won't start the run (the field is required), so nothing runs and nothing is charged. The NTA's own overview is at https://www.houjin-bangou.nta.go.jp/webapi/.

Source notice required by the NTA: 「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」 (This service is built on information obtained through the NTA Corporate Number System Web-API; its content is not guaranteed by the NTA.)

Search the Japan corporate-number (Houjin Bangou) registry. Built for analysts, quants, fintech builders and AI agents.

📊 Sample Output

guidance	data_source	message	nta_webapi_registration
True	guidance	Live Japan 法人番号 (Corporate Number) registry data requires a FREE NTA…	https://www.houjin-bangou.nta.go.jp/webapi/

Real rows from run RFG6OkcyObcOVfpiS on build 0.0.8 (2026-09-03), unedited apart from masked emails/phones and shortened long text; fields the source does not publish are empty.

🔧 Input reference

Field	Type	Default	What it does
nta_api_key	string	""	Your free National Tax Agency Houjin-Bangou Web-API application ID. Apply free at https://www.invoice-kohyo.nta.go.jp/web-api/index.html (free; the NTA issues it in about two weeks to a month; no commercial restr…
corporate_number	string	""	Exact 13-digit corporate number to look up (e.g. 7010401088724 for Sony Group Corporation). Takes precedence over name/prefecture filters when provided. Leave empty to search by n…
company_name_filter	string	""	Partial or full company name in Japanese (kanji/kana) or Romaji (e.g. 'Sony', 'ソニー', 'トヨタ', 'Mitsubishi'). NTA's name endpoint accepts kanji + katakana + romaji and returns up to…
prefecture_filter	string (all, Hokkaido, Aomori, Iwate, Miyagi, Akita, Yamagata, Fukushima, …)	"all"	Restrict results to a specific Japanese prefecture. Optional — leave at 'all' to return matches across Japan.
category_filter	string (all, corporation, foreign_corporation, LLC)	"all"	Filter by corporate category: 'corporation' = 株式会社/有限会社/合同会社 etc. domestic for-profit; 'foreign_corporation' = 外国会社 (overseas firms with a JP branch); 'LLC' = 合同会社 (Japan LLC) onl…
max_records	integer	200	Cap the number of corporate records returned (1-2000). NTA Web-API returns up to 100 per page; the actor paginates automatically up to this cap. Defaults to 200.

🧾 JSON sample record

One real record from run RFG6OkcyObcOVfpiS (emails/phones masked, long text shortened):

{
  "guidance": true,
  "data_source": "guidance",
  "message": "Live Japan 法人番号 (Corporate Number) registry data requires a FREE NTA Web-API application ID. Register at https://www.houjin-bangou.nta.go.jp/webapi/ and pass it as `nta_api_key`. No charge is made for this guidance row.",
  "nta_webapi_registration": "https://www.houjin-bangou.nta.go.jp/webapi/"
}

💰 Pricing

Event	Price (USD)	When it is charged
Actor Start (apify-actor-start)	$0.005	Charged when the Actor starts running. Number of events charged depends on Actor memory (one event per GB, minimum one event).
Corporate record (corporate-record)	$0.03	Per NTA Houjin Bangou corporate registry record

Pay-per-event: you pay only for what the run delivers. A run that delivers nothing bills no result events (only the actor-start event, when the actor defines one). Example: a run that delivers 100 results costs 100 × $0.03 = $3.00 plus the start fee.

🔗 Related Actors

More from the NexGenData Korea & Japan family:

• Japan bitFlyer & Coincheck Crypto — 暗号資産 API
• Japan BOJ Macro & JGB Auctions — 日銀 金融政策 API
• Japan FSA/SESC Enforcement — 証券監視委 API
• Japan JPO Patents & Trademarks — 特許検索 API
• Japan JPX Short Selling — 空売り残高 API
• Japan MOF FX Intervention — 為替介入 API

17 more in this family on the NexGenData Store page.

📊 What you get

Clean JSON, one record per record (full output has 7 fields):

• corporate_number — Corporate number
• name — Name
• name_en — Name en
• address — Address
• registration_date — Registration date
• process_type — Process type

Pricing: $0.03 per record (Pay-Per-Event) — about 33 records per $1.

🤖 Use with AI agents

Structured JSON built for LLM and agent pipelines — point Claude, the OpenAI Agents SDK, an n8n flow or any MCP-aware client at it and pull Japan corporate-number (Houjin Bangou) registry on demand.

Sample agent prompt:

Look up a Japanese company by corporate number and return its details.

Agentic payments (x402): Supports agentic payment via x402 — agents can call this actor with USDC, no Apify API key required (the source's own free key above is still needed).

⏰ Run on a schedule

This is a monitoring play — schedule a recurring pull:

{
  "limit": 50
}

日本語について

この Actor は日本の法人番号公表サイトに基づく法人登記情報（法人番号、名称、所在地）をクリーンな JSON で提供します。アナリスト、クオンツ、フィンテック開発者、AI エージェント向けに設計されています。「法人レコード」ごとに課金され（1ドルあたり約 33 件）、定期実行に対応しているため、日本企業の法人番号検索を毎日・毎週自動で取得できます。

🔗 Related Japan actors

China data suite: EDINET Filings, TDnet Disclosures, JPX Short Selling, TSE Screener

Cross-market hubs: APAC Disclosure Monitor, APAC IPO Calendar Sweep

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Data from public Japanese market and government sources.