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National Tax Agency pricing and alternatives: company enrichment API

National Tax Agency's sitellms.txtBest company enrichment API in 2026: pricing comparedNational Tax Agency: company enrichment API alternatives

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15% complete: 2 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesHalf of the 1,208 plans we rank by price cost $9.90 per 1,000 companies or less. This plan and 70 others tie for the lowest price per 1,000 companies of the 1,208 plans.CNPJ API's R$99 monthly plan (/bulk-cnpj) covers any number of companies. CNPJ API's R$99 monthly plan costs less to start than Extruct's $49 monthly plan.GetProspect, Hunter and ScrapeUnblocker are the best company enrichment API providers in our benchmark for companies in any country.
Plan: Free National Tax Agency's only plan
Call: GET /4/num National Tax Agency's only call for this API
API: Company enrichment API one of National Tax Agency's 2 APIs

About this item

  • A copy at most 1 day old. You get company profiles from National Tax Agency's database.
  • 2 of the 13 key fields we check. Type and status, Headquarters.
  • Nothing to pay. You get as many calls as you like.
  • One call. You call GET /4/num. You send number, type "01", "02" or "12". You can also send history. The call returns a company profile for each company you send.
  • 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: company enrichment 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, freeINSEE, free, Accès public, GET /siret/{siret}ScrapeUnblocker, free, POST /companies/crunchbaseCompanyPulse, freeSEC API, free, GET /cik/{cik}
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00
Completeness15%31%85%23%15%
Billingfreefreefreefreefree
Pay$0$0€0£0$0
Enough forno limit1,296,000 calls a month500 calls, once250 calls a day100 calls, once
Freshness1 day24 hourslive1 day1 day
Who can get itanyone with an application ID, issued free of charge on applicationanyoneanyone at least 18 years old or of the age of majority, with the legal capacity to enter into the Terms (its Terms' "Are at least 18 years old or the age of majority in your jurisdiction. Have the legal capacity and authority to enter into these Terms.")anyone with a CompanyPulse account and an API key, no credit card requiredanyone, no credit card required

Every company enrichment API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-kinou-gaiyo.pdf
  2. houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-kinou-ver4.pdf
  3. houjin-bangou.nta.go.jp/pc/webapi/images/k-web-api-tetuduki.pdf
  4. houjin-bangou.nta.go.jp/riyokiyaku/
  5. houjin-bangou.nta.go.jp/webapi/
  6. 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.

  • Description, not in the answer
  • Industry, not in the answer
  • Type and status
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Social profiles, not in the answer
  • Headquarters
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue and budgets, not in the answer
  • Parents, not in the answer
  • Phones, not in the answer
Price
$ per 1,000 companies$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitch指定した法人番号の基本３情報と付随する情報を取得することができます。条件指定することにより指定した法人の変更履歴を併せて取得することもできます
Data
Freshness1 day
CountriesJapan
Keep datano 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。"
Plan
Pay$0
Enough forno limit
Rate limit
Batch10
Speed
Answerin the call
The call
You sendnumber, type "01", "02" or "12". Optional: history
MethodGET
Path/4/num
About the plan
PlanFree
Who can get itanyone 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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