# Kenall, free: Business verification API

> 商号・名称・住所の一部から法人を検索。部分一致・完全一致を選択でき、法人種別を含むかも切り替え可能。表記ゆれを吸収して正式な商号・法人番号にたどり着けます。

Kenall's Trial plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. Kenall's docs list 3: Registered name, Entity number, Principal address.
Kenall limits how many calls you get but gives no number.
We haven't run Kenall through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 634 plans for business verification APIs by price. Half the plans cost $10.469 or less per 1,000 companies. [200 business verification API plans on our price sheet are free.](https://datacircle.dev/best-business-verification-api.txt) [GovFiles](https://datacircle.dev/business-verification-apis/govfiles/free/llms.txt) has a free plan with 1,000 results. GovFiles is the best business verification API in our benchmark for companies in any country.
[Jsonpage's €129 monthly plan](https://datacircle.dev/business-verification-apis/jsonpage/129-monthly-pro-get-v2-validate/llms.txt) is the cheapest paid plan per 1,000 companies, for 33 countries only, with no charge per call. You get as many companies as Jsonpage's rate limit allows. [ApiZero's CNY 399 yearly plan](https://datacircle.dev/business-verification-apis/apizero/cny-399-yearly-diamond-membership-get-api-company-search/llms.txt) costs the least for 10,000 companies a month, for China only: about $4.97.
[eucompliance.tools' €20 monthly plan (/v1/vat)](https://datacircle.dev/business-verification-apis/eucompliance-tools/20-monthly-business-get-v1-vat/llms.txt) covers any number of companies, and costs less up front than Jsonpage's €129 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/kenall/free
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://kenall.jp/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.kenall.jp/v1/houjinbangou`
- API key: with the plan, on https://kenall.jp/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://kenall.jp/docs/api/houjinbangou?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#get-v1houjinbangouq-法人情報検索
- Sold by: Kenall (https://kenall.jp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-14

## In the answer

- Completeness: 27%
- Registered name: ✓
- Entity number: ✓
- Principal address: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Postal code to address API · Address to postal code API · Cities API · Corporate number lookup API · Corporate number radar · Qualified invoice issuer lookup API · Japanese holidays API · Weekend and holiday check API · Bank information API · Own IP address check API

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: 商号・名称・住所の一部から法人を検索。部分一致・完全一致を選択でき、法人種別を含むかも切り替え可能。表記ゆれを吸収して正式な商号・法人番号にたどり着けます。

## Data

- Freshness: 1 day
- Countries: Japan
- Keep data: no limit
- Use data: 直接的利用者は、本サービスの利用にあたり、以下の行為をしてはなりません。 1. 犯罪など法令または公序良俗に違反する行為。 2. 本サービスにかかる著作権、商標権ほか知的財産権を侵害する行為。 3. 本サービスを通じて取得した情報を、当社の事前の許可なく販売する、もしくは、本サービスに類似した事業の用に供する行為。 4. 本サービスを妨害するおそれのある行為。 5. 当社、サービス利用者、またはその他第三者のサーバーまたはネットワークの機能を妨害、破壊、あるいは不正に利用する行為 (不正アクセス行為の禁止等に関する法律《平成十一年法律第百二十八号》の定める不正アクセス行為を含む)。 6. 他の直接的利用者に成りすます行為。 7. 当社もしくは他のサービス利用者に不利益や損害を与える行為。 8. 本サービスに関連して、反社会的勢力に対して直接的または間接的に利益を供与する行為。 9. その他、当社が不適切と判断する行為。

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q. Optional: offset, limit, mode, normalize_name, facet_area, facet_kind, facet_process, facet_close_cause
- Method: GET
- Path: /v1/houjinbangou

## About the plan

- Plan: Trial
- Who can get it: anyone who signs up for a free account: no credit card, 30 days from sign-up

## The 44 fields the plan's answer can hold

data version, corporate number, published date, sequence number, update date, change date, assignment date, process, correction flag, name, name image ID, furigana, English name, legal entity type, postal code, JIS city code, prefecture, prefecture kana, prefecture romanized, city, city kana, city romanized, street number, town, Kyoto street, block and lot number, building, floor and room, address image ID, address outside Japan, address outside Japan image ID, English address line, English address outside Japan, closure date, closure cause, successor corporate number, change cause, excluded from search, qualified invoice issuer number, query, total results, offset, limit, facets

## Kenall's plans (3)

- [Kenall, free](https://datacircle.dev/business-verification-apis/kenall/free/llms.txt): $0.00 per 1,000, 27% complete, 1 day
- [Kenall, ¥66,000 monthly](https://datacircle.dev/business-verification-apis/kenall/66000-monthly/llms.txt): no limit, 27% complete, 1 day
- [Kenall, contact us](https://datacircle.dev/business-verification-apis/kenall/contact-us/llms.txt): 27% complete, 1 day

## Kenall's calls for this API (1)

- `GET /v1/houjinbangou`: [Kenall, free](https://datacircle.dev/business-verification-apis/kenall/free/llms.txt)

## Kenall's APIs (2)

- [Kenall Business verification API pricing, 3 plans](https://datacircle.dev/business-verification-apis/kenall/free/llms.txt)
- [Kenall Company enrichment API pricing, 3 plans, GET /v1/houjinbangou/{法人番号}](https://datacircle.dev/company-enrichment-apis/kenall/free-trial-get-v1-houjinbangou/llms.txt)
- [Kenall Company enrichment API pricing, 3 plans, GET /v1/invoice/{登録番号}](https://datacircle.dev/company-enrichment-apis/kenall/free-trial-get-v1-invoice/llms.txt)

## Kenall: business verification API alternatives

[Kenall alternatives: every business verification API plan in Japan compared](https://datacircle.dev/business-verification-api-pricing/japan.md)

We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the list gives live data or data at most a day old.

- [gBizINFO, free](https://datacircle.dev/business-verification-apis/gbizinfo/free/llms.txt): $0.00 per 1,000, 36% complete, 1 day
- [Tanod, free](https://datacircle.dev/business-verification-apis/tanod/free/llms.txt): $0.00 per 1,000, 27% complete, live
- [Hatchloop, free (no key)](https://datacircle.dev/business-verification-apis/hatchloop/free-no-key/llms.txt): $0.00 per 1,000, 36% complete, live
- [JPVerify, free, API key: $1.00 free credit, POST /jp-company/report](https://datacircle.dev/business-verification-apis/jpverify/free-api-key-1-00-free-credit-post-jp-company-report/llms.txt): $0.00 per 1,000, 36% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-14.

- https://kenall.jp/api/corporate-number?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kenall.jp/docs/api/houjinbangou?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kenall.jp/docs/users-and-keys?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kenall.jp/help/plans/general?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kenall.jp/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kenall.jp/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing