# Houjin Agentic JP, pay as you go, x402 pay per call, GET /corporation/{number}: Company enrichment API

> Japanese company lookup by 13-digit corporate number (法人番号) — official trade name (Japanese and registered English), registered address, postal code, corporation kind, and lifecycle status.

Houjin Agentic JP's x402 pay per call plan for the company enrichment API costs $5.00 per 1,000 companies. We check each provider's docs for 13 fields. Houjin Agentic JP's docs list 2: Type and status, Headquarters.
We haven't run Houjin Agentic JP through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
We rank 2,688 plans for company enrichment APIs by price. Half the plans cost $9.00 or less per 1,000 companies. This plan costs less per 1,000 companies than 57% of the 2,688 plans.
[ROIC.ai's $29 monthly plan](https://datacircle.dev/company-enrichment-apis/roic-ai/29-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. ROIC.ai's company enrichment API costs nothing beyond the plan price. [Zodipe's PEN 45 yearly plan](https://datacircle.dev/company-enrichment-apis/zodipe/pen-45-yearly/llms.txt) costs the least for 10,000 companies a month: about $1.09.
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than ROIC.ai's $29 monthly plan.
[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/89-monthly/llms.txt), [Intrinio](https://datacircle.dev/company-enrichment-apis/intrinio/150-monthly/llms.txt) and [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-get-corporation-number
- [Company enrichment API: the best of 220+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://houjin.agentic-jp.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://houjin.agentic-jp.com/corporation/{number}`
- API key: not needed
- Its API docs: https://houjin.agentic-jp.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#/paths/~1corporation~1{number}
- Sold by: Houjin Agentic JP (https://houjin.agentic-jp.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 15%
- Type and status: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $5.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Japanese company lookup by 13-digit corporate number (法人番号) — official trade name (Japanese and registered English), registered address, postal code, corporation kind, and lifecycle status.

## Data

- Freshness: stored
- Countries: Japan
- Keep data: no API terms
- Use data: commercial use is permitted with attribution: "Powered by 国税庁法人番号公表サイト (National Tax Agency of Japan). 商用利用可・出典表示。"

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: number
- Method: GET
- Path: /corporation/{number}

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone, with no account or API key, paying each call in USDC on Base, Polygon or Solana (x402)

## The 22 fields the plan's answer can hold

corporate number, name, name in kana, English name, prefecture, city, street, full address, English address, postal code, prefecture code, corporation kind, corporation kind label, process kind, status, closure cause, closure cause label, closure date, successor corporate number, assignment date, update date, change date

## Houjin Agentic JP's plans (1)

- [Houjin Agentic JP, pay as you go, x402 pay per call, GET /corporation/{number}](https://datacircle.dev/company-enrichment-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-get-corporation-number/llms.txt): $5.00 per 1,000, 15% complete, stored

## Houjin Agentic JP's calls for this API (2)

- `GET /corporation/{number}`: [Houjin Agentic JP, pay as you go, x402 pay per call, GET /corporation/{number}](https://datacircle.dev/company-enrichment-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-get-corporation-number/llms.txt)
- `POST /batch`: [Houjin Agentic JP, pay as you go, x402 pay per call, POST /batch](https://datacircle.dev/company-enrichment-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-post-batch/llms.txt)

## Houjin Agentic JP's APIs (2)

- [Houjin Agentic JP: business verification API pricing, 1 plan, POST /report](https://datacircle.dev/business-verification-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-post-report/llms.txt)
- [Houjin Agentic JP: business verification API pricing, 1 plan, POST /search](https://datacircle.dev/business-verification-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-post-search/llms.txt)
- [Houjin Agentic JP: business verification API pricing, 1 plan, POST /verify](https://datacircle.dev/business-verification-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-post-verify/llms.txt)
- [Houjin Agentic JP: company enrichment API pricing, 1 plan, GET /corporation/{number}](https://datacircle.dev/company-enrichment-apis/houjin-agentic-jp/pay-as-you-go-x402-pay-per-call-get-corporation-number/llms.txt)

## Houjin Agentic JP: company enrichment API alternatives

- [The Swarm, $72,000 yearly](https://datacircle.dev/company-enrichment-apis/the-swarm/72000-yearly/llms.txt): $5.00 per 1,000, 77% complete, stored
- [OneShot, pay as you go, Pay per call (x402, USDC or ETH on Base), POST /v1/tools/lookup/company-profile](https://datacircle.dev/company-enrichment-apis/oneshot/pay-as-you-go/llms.txt): $5.00 per 1,000, 54% complete, stored
- [Coresignal, $5,000 monthly, Elite, GET /v2/company_multi_source/collect/{company_id}, Collect: Company API](https://datacircle.dev/company-enrichment-apis/coresignal/5000-monthly-elite-get-v2-company-multi-source-collect-company-id-collect-company-api/llms.txt): $5.00 per 1,000, 100% complete, stored
- [Ocean.io, $3,000 yearly, Growth, POST /v2/enrich/companies](https://datacircle.dev/company-enrichment-apis/ocean-io/3000-yearly-growth-post-v2-enrich-companies/llms.txt): $5.00 per 1,000, 92% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://houjin.agentic-jp.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://houjin.agentic-jp.com/.well-known/skill.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://houjin.agentic-jp.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://houjin.agentic-jp.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://houjin.agentic-jp.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing