# Popbill, contact us, API members plan, GET /CloseDown: Business verification API

> 팝빌 스크래핑 기술을 이용하여 국세청에서 관리하는 사업자번호의 휴폐업정보와 과세정보를 실시간으로 조회할 수 있는 API 입니다.

Popbill's API members plan lets you call the business verification API. Popbill's docs list 2 of the 11 fields on our checklist: Entity number, Status.
We haven't run Popbill through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Popbill gives this plan's price on request. We rank 1,062 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less.
[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.
[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), [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/popbill/contact-us-api-members-plan-get-closedown
- [Business verification API: the 13 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://www.popbill.com/Pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://popbill.linkhub.co.kr/CloseDown`
- API key: with the plan, on https://www.popbill.com/Pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://developers.popbill.com/api-reference/closedown/api/check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#1-checkcorpnum---단건-조회
- Sold by: Popbill (https://www.popbill.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-07

## In the answer

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

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: 팝빌 스크래핑 기술을 이용하여 국세청에서 관리하는 사업자번호의 휴폐업정보와 과세정보를 실시간으로 조회할 수 있는 API 입니다.

## Data

- Freshness: live
- Countries: South Korea
- Keep data: no limit
- Use data: 회원은 회사의 사전 승인 없이 서비스 및 포인트를 영업활동 등 영리목적으로 이용하거나 어떠한 영리행위도 할 수 없습니다. 회원은 서비스를 이용하여 얻은 정보를 회사의 사전 승낙 없이 복사, 복제, 개조, 번역하거나 가공, 판매하는 등 타인에게 제공하거나 상업적으로 이용하여서는 안 됩니다. [...] 회원은 서비스 이용과 관련하여 다음 각 호의 행위를 할 수 없습니다. - 다른 회원의 아이디(ID)를 부정 사용하는 행위 - 범죄행위를 목적으로 이용하거나 기타 범죄행위와 관련된 행위 - 선량한 풍속/기타 사회질서에 반하는 행위 - 타인의 명예를 훼손하거나 모욕하는 행위 - 타인의 지적재산권 등의 권리를 침해하는 행위 - 해킹 또는 컴퓨터바이러스를 유포하는 행위 - 수신자의 동의 없이 광고 또는 광고성 정보를 전송하는 행위 - 불법스팸 메시지 전송 등 전기통신사업법 및 정보통신망법을 위반한 행위 - 서비스의 안정적인 운영에 지장을 주거나 줄 우려가 있는 일체의 행위 - 기타 관계법령에 위배되는 행위

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 0.01 s

## The call

- You send: CN. Optional: X-PB-UserID, Accept-Language
- Method: GET
- Path: /CloseDown

## About the plan

- Plan: API members plan
- Who can get it: businesses that apply for API integration and sign Popbill's service contract: a corporation with a corporate certificate or a sole proprietor verified by the owner's phone, with a business registration certificate attached

## The 6 fields the plan's answer can hold

business registration number, business status, business status date, tax type, tax type change date, check date

## Popbill's plans (1)

- [Popbill, contact us, API members plan, GET /CloseDown](https://datacircle.dev/business-verification-apis/popbill/contact-us-api-members-plan-get-closedown/llms.txt): 18% complete, live

## Popbill's calls for this API (2)

- `GET /CloseDown`: [Popbill, contact us, API members plan, GET /CloseDown](https://datacircle.dev/business-verification-apis/popbill/contact-us-api-members-plan-get-closedown/llms.txt)
- `POST /CloseDown`: [Popbill, contact us, API members plan, POST /CloseDown](https://datacircle.dev/business-verification-apis/popbill/contact-us-api-members-plan-post-closedown/llms.txt)

## Popbill's APIs (2)

- [Popbill: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/popbill/contact-us/llms.txt)
- [Popbill: business verification API pricing, 1 plan, GET /CloseDown](https://datacircle.dev/business-verification-apis/popbill/contact-us-api-members-plan-get-closedown/llms.txt)

## Popbill: business verification API alternatives

- [Verifik, contact us, Enterprise, GET /v2/ca/company](https://datacircle.dev/business-verification-apis/verifik/contact-us-enterprise-get-v2-ca-company/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
- [Parse, contact us, Enterprise, GET /scraper/319be902-3423-483d-8fa9-6c9adaca1260/search_entities](https://datacircle.dev/business-verification-apis/parse/contact-us-enterprise-get-scraper-319be902-3423-483d-8fa9-6c9adaca1260-search-entities/llms.txt): 18% complete, live
- [TINCheck, contact us](https://datacircle.dev/business-verification-apis/tincheck/contact-us/llms.txt): 9% 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 2026-11-07.

- https://developers.popbill.com/api-reference/closedown/api/check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developers.popbill.com/api-reference/closedown/getting-started/authorization?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developers.popbill.com/customer-center/serviceopen?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developers.popbill.com/guide/closedown/getting-started/environment-set-up?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developers.popbill.com/reference/closedown/python/api/check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.popbill.com/CompanyInfo/API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.popbill.com/CompanyStatus/API?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.popbill.com/Policy/Agreement?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.popbill.com/Pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing