# Bizno, free: Company discovery API

> 상호명으로 사업자등록번호조회

Bizno's Free API plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Bizno's docs list 1: Type and status.
You get 200 requests a day. You spend the requests on Bizno's other calls. This call is free for up to 6,000 calls a month.
We haven't run Bizno through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 1,326 plans for company discovery APIs by price. Half the plans cost $0.498 or less per 1,000 companies. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows. [Seltz's pay-as-you-go plan](https://datacircle.dev/company-discovery-apis/seltz/pay-as-you-go-pay-as-you-go-post-v1-search-search-base/llms.txt) costs the least for 10,000 companies a month: $0.03.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/bizno/free
- [Company discovery API in 2026: the best of 100+ compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://bizno.net/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://bizno.net/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://bizno.net/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Bizno (https://bizno.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 8%
- Type and status: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page, size not stated
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

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

## In their words

- Their pitch: 상호명으로 사업자등록번호조회

## Data

- Countries: South Korea
- Keep data: no API terms
- Use data: 본 서비스의 데이터는 공공기관들로부터 주기적으로 사업자정보를 수집 및 제공받아 2차가공하여 제공하는 서비스로 모든 사업자의 모든항목(전화번호,주소,업종등등) 데이터를 제공하는것은 아니므로 인증용으로 부적합하오니 https://bizno.net에서 사전 테스트후 신청하시기 바랍니다. [...] 비즈노의 데이터베이스를 무단으로 수집해가는 행위는 경우에 따라 저작권 침해 또는 정보통신망 이용촉진 및 정보보호에 관한 법률 등에 위반될 수 있습니다.

## Plan

- Pay: $0
- You get: 200 requests a day
- Enough for: 6,000 calls a month

## Rate limit

- Per day: 200

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free API
- Who can get it: anyone who signs up at api.bizno.net

## The 4 fields the plan's answer can hold

business registration number, company name, business status, tax type

## Bizno's plans (2)

- [Bizno, free](https://datacircle.dev/company-discovery-apis/bizno/free/llms.txt): $0.00 per 1,000, 8% complete
- [Bizno, contact us](https://datacircle.dev/company-discovery-apis/bizno/contact-us/llms.txt): 23% complete

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

- Docs behind sign-up: [Bizno, free](https://datacircle.dev/company-discovery-apis/bizno/free/llms.txt)

## Bizno's APIs (2)

- [Bizno: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/bizno/free/llms.txt)
- [Bizno: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/bizno/free/llms.txt)

## Bizno: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [ApiOne, free](https://datacircle.dev/company-discovery-apis/apione/free/llms.txt): $0.00 per 1,000, 46% 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 2026-11-08.

- https://api.bizno.net/join?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://api.bizno.net/login?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://bizno.net?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://bizno.net/openapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing