# data.go.kr, free, Operating account (운영계정), GET /getConsSubsComp_V2: Company hierarchy API

> 기준일자, 법인등록번호, 종속기업명을 통하여 종속기업설립일자, 종속기업주소, 종속기업주요사업내용등을 조회하는 연결대상종속기업조회 기능

data.go.kr's company hierarchy API on its Operating account (운영계정) plan. It costs $0.00 per 1,000 companies. It returns 1 of the 3 key fields we check: Family tree.
data.go.kr limits how many calls you get but gives no number.
We haven't run data.go.kr through [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt) yet.
Half of the 59 plans we rank by price cost $24.75 per 1,000 companies or less. This plan and 10 others tie for the lowest price per 1,000 companies of the 59 plans.
[GlobalEntity API's €59 monthly plan](https://datacircle.dev/company-hierarchy-apis/globalentity-api/59-monthly/llms.txt) covers any number of companies in 54 countries only. GlobalEntity API's €59 monthly plan costs less up front than DanskCVRAPI's DKK 599 monthly plan.
[DiscoLike](https://datacircle.dev/company-hierarchy-apis/discolike/99-monthly/llms.txt), [Bigdata.com](https://datacircle.dev/company-hierarchy-apis/bigdata-com/50-monthly/llms.txt) and [Magellan Data](https://datacircle.dev/company-hierarchy-apis/magellan-data/375-pack-25000-credits-post-v1-corporate-families/llms.txt) are the best company hierarchy API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-operating-account-get-getconssubscomp-v2
- [Company hierarchy API: the 5 best providers compared](https://datacircle.dev/best-company-hierarchy-api.txt)
- Get it: https://www.data.go.kr/data/15043184/openapi.do?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Request: `GET https://apis.data.go.kr/1160100/service/GetCorpBasicInfoService_V2/getConsSubsComp_V2`
- API key: with the plan, on https://www.data.go.kr/data/15043184/openapi.do?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Its API docs: https://www.data.go.kr/data/15043184/openapi.do?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing#/API%20%EB%AA%A9%EB%A1%9D/getConsSubsComp_V2
- Sold by: data.go.kr (https://www.data.go.kr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 33%
- Family tree: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: 기준일자, 법인등록번호, 종속기업명을 통하여 종속기업설립일자, 종속기업주소, 종속기업주요사업내용등을 조회하는 연결대상종속기업조회 기능

## Data

- Countries: South Korea
- Full family tree: no
- Keep data: no limit
- Use data: any

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: pageNo, numOfRows, resultType. Optional: basDt, crno, sbrdEnpNm
- Method: GET
- Path: /getConsSubsComp_V2

## About the plan

- Plan: Operating account (운영계정)
- Who can get it: anyone with a data.go.kr account (application auto-approved)

## The 10 fields the plan's answer can hold

entity ID, reference date, total results, subsidiary name, subsidiary formation date, subsidiary address, subsidiary main business, subsidiary total assets at latest fiscal year-end, basis of control, main subsidiary status

## data.go.kr's plans (2)

- [data.go.kr, free, Operating account (운영계정), GET /getConsSubsComp_V2](https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-operating-account-get-getconssubscomp-v2/llms.txt): $0.00 per 1,000, 33% complete
- [data.go.kr, free, Development account (개발계정), GET /getConsSubsComp_V2](https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-development-account-get-getconssubscomp-v2/llms.txt): $0.00 per 1,000, 33% complete

## data.go.kr's calls for this API (2)

- `GET /getAffiliate_V2`: [data.go.kr, free, Operating account (운영계정), GET /getAffiliate_V2](https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-operating-account-get-getaffiliate-v2/llms.txt)
- `GET /getConsSubsComp_V2`: [data.go.kr, free, Operating account (운영계정), GET /getConsSubsComp_V2](https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-operating-account-get-getconssubscomp-v2/llms.txt)

## data.go.kr's APIs (3)

- [data.go.kr: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/data-go-kr/free-operating-account/llms.txt)
- [data.go.kr: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/data-go-kr/free-operating-account/llms.txt)
- [data.go.kr: company hierarchy API pricing, 2 plans, GET /getConsSubsComp_V2](https://datacircle.dev/company-hierarchy-apis/data-go-kr/free-operating-account-get-getconssubscomp-v2/llms.txt)

## data.go.kr: company hierarchy API alternatives

- [Bigdata.com, free](https://datacircle.dev/company-hierarchy-apis/bigdata-com/free/llms.txt): $0.00 per 1,000, 100% complete, stored
- [Magellan Data, free, 10,000 free credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-corporate-families/llms.txt): $0.00 per 1,000, 67% complete
- [SEC API, free](https://datacircle.dev/company-hierarchy-apis/sec-api/free/llms.txt): $0.00 per 1,000, 67% complete, 1 minute
- [USAspending, free](https://datacircle.dev/company-hierarchy-apis/usaspending/free/llms.txt): $0.00 per 1,000, 33% complete

## 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.

- https://www.data.go.kr/catalog/15043184/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://www.data.go.kr/data/15043184/openapi.do?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://www.data.go.kr/ugs/selectPortalPolicyView.do?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing