# Barobill, contact us, BASIC, POST /CORPSTATE.asmx, GetCorpStateEx: Business verification API

> 사업자의 과세유형 및 휴폐업 상태를 실시간으로 조회하는 API입니다.

Barobill's BASIC plan lets you call the business verification API. We check each provider's docs for 11 fields. Barobill's docs list 2: Entity number, Status.
We haven't run Barobill through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Barobill gives this plan's price on request. We rank 1,422 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies.
[CharityAPI's $15 monthly plan](https://datacircle.dev/business-verification-apis/charityapi/15-monthly-paid-get-api-organizations-ein/llms.txt) is the cheapest paid plan per 1,000 companies. CharityAPI's plan covers companies in the United States only. CharityAPI's $15 monthly plan charges nothing per call. You get as many companies as CharityAPI'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: about $4.97.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) and [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/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/barobill/contact-us-basic-post-corpstate-asmx-getcorpstateex
- [Business verification API: the 14 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://dev.barobill.co.kr/partners/cost/partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://ws.baroservice.com/CORPSTATE.asmx`, GetCorpStateEx
- API key: with the plan, on https://dev.barobill.co.kr/partners/cost/partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://dev.barobill.co.kr/docs/references/%EC%82%AC%EC%97%85%EC%9E%90%EB%93%B1%EB%A1%9D-%EC%83%81%ED%83%9C%EC%A1%B0%ED%9A%8C-API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Barobill (https://www.barobill.co.kr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 18%
- Entity number: ✓
- Status: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: 사업자의 과세유형 및 휴폐업 상태를 실시간으로 조회하는 API입니다.

## Data

- Freshness: live
- Countries: South Korea
- Keep data: no limit
- Use data: 회원은 서비스를 이용하여 얻은 정보를 회사의 사전 승낙 없이, 복사, 복제, 변경 등 기타의 방법으로 사용하거나 이를 타인에게 제공할 수 없습니다. [...] 회원은 서비스 이용과 관련하여 다음 각 호의 행위를 해서는 안되며 [...] API를 이용함에 있어 이용계약 내용 외의 상업적인 목적으로 사용하는 행위

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: CorpNum, CheckCorpNum, Content-Type header "text/xml. Optional: charset=utf-8", SOAPAction header
- Method: POST
- Path: /CORPSTATE.asmx

## About the plan

- Plan: BASIC
- Who can get it: a business that signs up as a Barobill partner with its business registration number, then asks for a quote and signs a contract, the real service is prepaid from KRW 10,000

## The 9 fields the plan's answer can hold

business registration number, business type, tax type, tax type change date, previous tax type, tax invoice application date, registration status, suspension or closure date, reference date

## Barobill's plans (2)

- [Barobill, contact us, BASIC, POST /CORPSTATE.asmx, GetCorpStateEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-basic-post-corpstate-asmx-getcorpstateex/llms.txt): 18% complete, live
- [Barobill, contact us, BULK, POST /CORPSTATE.asmx, GetCorpStateEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-bulk-post-corpstate-asmx-getcorpstateex/llms.txt): 18% complete, live

## Barobill's calls (2)

- `POST /CORPSTATE.asmx`, GetCorpStateEx: [Barobill, contact us, BASIC, POST /CORPSTATE.asmx, GetCorpStateEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-basic-post-corpstate-asmx-getcorpstateex/llms.txt)
- `POST /CORPSTATE.asmx`, GetCorpStatesEx: [Barobill, contact us, BASIC, POST /CORPSTATE.asmx, GetCorpStatesEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-basic-post-corpstate-asmx-getcorpstatesex/llms.txt)

## Barobill's APIs (1)

- [Barobill: business verification API pricing, 2 plans, POST /CORPSTATE.asmx, GetCorpStateEx](https://datacircle.dev/business-verification-apis/barobill/contact-us-basic-post-corpstate-asmx-getcorpstateex/llms.txt)

## Barobill: business verification API alternatives

- [Croma, contact us, Contract, POST /ve/seniat/rif/v1](https://datacircle.dev/business-verification-apis/croma/contact-us-contract-post-ve-seniat-rif-v1/llms.txt): 18% complete, live
- [iApp Technology, contact us, Cloud subscription, GET /ekyb/live/v1/company/search](https://datacircle.dev/business-verification-apis/iapp-technology/contact-us-cloud-subscription-get-ekyb-live-v1-company-search/llms.txt): 18% complete, live
- [Know Your Customer, contact us, Fixed Plan](https://datacircle.dev/business-verification-apis/know-your-customer/contact-us-fixed-plan/llms.txt): 18% complete, live
- [OrigoID, contact us, Exa, POST /mex/compliance/v1/sat-69-searches](https://datacircle.dev/business-verification-apis/origoid/contact-us-exa-post-mex-compliance-v1-sat-69-searches/llms.txt): 18% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://dev.barobill.co.kr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/docs/guides/%EB%B0%94%EB%A1%9C%EB%B9%8C-API-%EA%B0%9C%EB%B0%9C%EC%A4%80%EB%B9%84?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/docs/guides/%EC%82%AC%EC%97%85%EC%9E%90%EB%93%B1%EB%A1%9D-%EC%83%81%ED%83%9C-%EC%A1%B0%ED%9A%8C%ED%95%98%EA%B8%B0?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/docs/references/%EC%82%AC%EC%97%85%EC%9E%90%EB%93%B1%EB%A1%9D-%EC%83%81%ED%83%9C%EC%A1%B0%ED%9A%8C-API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/partners/cost/partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/services/corpState?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/terms/barobill?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://dev.barobill.co.kr/terms/partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing