National Tax Agency pricing and alternatives: business verification API
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GET / 4/ name National Tax Agency's only callAbout this item
- A copy at most 1 day old. You get records from National Tax Agency's copy of the register.
- 4 of the 11 key fields we check. Registered name, Entity number, Entity type, Principal address.
- Nothing to pay. National Tax Agency limits how many calls you get but gives no number.
- One call. You call
GET /. You send4/ name name,type"01", "02" or "12". You can also sendmode,target,address,kind,change,close,from,toanddivide. The call returns the register's record of the company. - Who can get it: anyone with an application ID, issued free of charge on application. Keep data: no limit. Use data: with conditions.
National Tax Agency: business verification API alternatives
We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the table gives live data or data at most a day old.
| This planNational Tax Agency, free | OpenSOSData, free, POST /v1/lookup | PRH, free | RIK, free | RPO, free | |
|---|---|---|---|---|---|
| $ per 1,000 companies | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Completeness | 36% | 100% | 55% | 45% | 36% |
| Billing | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 |
| Enough for | not published | 10 calls, once | no limit | 1,500,000 calls a month | no limit |
| Freshness | 1 day | live | 1 day | live | 1 day |
| Who can get it | anyone with an application ID, issued free of charge on application | new accounts, once on signup, no credit card required | anyone | anyone who signs the contract for the use of inquiry systems with RIK (an application in the e-Business Register portal, reviewed within five working days) | anyone |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-31.
- houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-kinou-gaiyo.pdf
- houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-kinou-ver4.pdf
- houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-tetuduki.pdf
- houjin-bangou.nta.go.jp/riyokiyaku/
- houjin-bangou.nta.go.jp/webapi/
- houjin-bangou.nta.go.jp/webapi/riyokiyaku.html
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Registered name
- Entity number
- Tax ID, not in the answer
- Entity type
- Status, not in the answer
- Good standing, not in the answer
- Formation date, not in the answer
- Registered agent, not in the answer
- Principal address
- Officers, not in the answer
- Filings, not in the answer
| $ per 1,000 companies | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | nothing else |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | 指定した法人名の基本3情報と付随する情報を取得することができます。所在地(都道府県・市区町村)や法人種別を条件に追加し、取得する情報を絞り込むこともできます。 |
|---|
| Freshness | 1 day |
|---|---|
| Keep data | no limit |
| Use data | "利用者は、本機能を利用したサービスを提供する場合は、「このサービスは、国税庁法人番号システム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」を適宜の場所に明示するものとします。 [...] 利用者は、本機能の利用に当たり、次の各号に掲げる行為を行ってはなりません。 一本機能の運用及び管理を故意に妨害すること 二本機能に対し、ウイルスに感染したファイルを故意に送信すること 三短時間における大量アクセスその他本機能の運用に支障を与えること 四以下のいずれかの内容を含むアプリケーションの作成、運営及びこれらに関するサービスを提供すること イ本利用規約に違反する内容 ロ法令又は公序良俗に反する内容 ハ閲覧者に誤解を与えるおそれのある内容 五アプリケーションID を第三者に譲渡、貸与又は開示すること [...] 本コンテンツを利用する際は出典を記載してください。 [...] 本コンテンツを編集・加工等して利用する場合は、上記出典とは別に、編集・加工等を行ったことを記載してください。また、編集・加工等した情報を、あたかも国(又は府省等)が作成したかのような態様で公表・利用することは禁止します。 [...] 第三者が著作権を有している本コンテンツや、第三者が著作権以外の権利(例:写真における肖像権、パブリシティ権等)を有している本コンテンツについては、特に権利処理済であることが明示されているものを除き、利用者の責任で、当該第三者から利用の許諾を得てください。" |
| Pay | $0 |
|---|
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | name, type "01", "02" or "12". Optional: mode, target, address, kind, change, close, from, to, divide |
|---|---|
| Method | GET |
| Path | /4/name |
| Plan | Free |
|---|---|
| Who can get it | anyone with an application ID, issued free of charge on application |
The 34 fields the plan's answer can hold
last update date, total results, division number, number of divisions, sequence number, entity ID, change type, correction type, update date, change date, entity name, entity name image ID, entity type, prefecture, city, street address, address image ID, prefecture code, city code, ZIP code, foreign address, foreign address image ID, closure date, closure reason, successor entity ID, change cause, number assignment date, latest record, English entity name, English prefecture, English city address, English foreign address, furigana, excluded from search
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