# Korea Business Verify (KBV), free tier, POST /v1/business/batch: Business verification API

> KBV is a hosted MCP server that finds and verifies Korean businesses in real time — about 10 free calls/day, then pay-per-call (x402).

Korea Business Verify's Free tier plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. Korea Business Verify's docs list 2: Entity number, Status.
You get up to 300 results a month.
In [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt), the best plan from Korea Business Verify (KBV) scores 55.2 out of 100.
This plan is free. We rank 1,561 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. [See the best free business verification API plan.](https://datacircle.dev/best-business-verification-api.txt)
[SafeDeal's ₸50,000 (about $110) monthly plan](https://datacircle.dev/business-verification-apis/safedeal/50000-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. SafeDeal's business verification API costs nothing beyond the plan price. SafeDeal's plan covers companies in Kazakhstan only. [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 less up front than SafeDeal's ₸50,000 (about $110) 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/korea-business-verify-kbv/free-tier-post-v1-business-batch
- [Business verification API: the 14 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://github.com/Wonderfulian/kbv-server?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#pricing
- Request: `POST https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/batch`
- API key: not needed
- Its API docs: https://github.com/Wonderfulian/kbv-server?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#check_korean_business_batch
- Sold by: Korea Business Verify (KBV) (https://kbv-server-f7vfitmlkq-du.a.run.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Find a company by name · Registration status · KYB identity check · Import requirements for one HS code · Screen a catalog

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: KBV is a hosted MCP server that finds and verifies Korean businesses in real time — about 10 free calls/day, then pay-per-call (x402).

## Data

- Countries: South Korea
- Keep data: no limit
- Use data: The underlying dataset is published under the Korean government open-data policy with no usage restrictions (이용허락범위: 제한 없음), so responses may be used commercially and cited freely.

## Plan

- Pay: $0
- Enough for: 300 results a month

## Rate limit

- Per day: 10
- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: business_numbers. Optional: free
- Method: POST
- Path: /v1/business/batch

## About the plan

- Plan: Free tier
- Who can get it: anyone, with no account or API key, about 10 lookups per IP per day

## The 16 fields the plan's answer can hold

business registration number, status, status code, tax type, closed date, checked at, source register, cached, procurement debarments, debarment in force, total checked, active count, suspended count, closed count, not registered count, debarred count

## Korea Business Verify's plans (2)

- [Korea Business Verify (KBV), free tier, POST /v1/business/batch](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-post-v1-business-batch/llms.txt): $0.00 per 1,000, 18% complete
- [Korea Business Verify (KBV), pay as you go, x402 pay per call, POST /v1/business/batch](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/pay-as-you-go-x402-pay-per-call-post-v1-business-batch/llms.txt): $20.00 per 1,000, 18% complete

## Korea Business Verify's calls (4)

- `POST /v1/business/batch`: [Korea Business Verify (KBV), free tier, POST /v1/business/batch](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-post-v1-business-batch/llms.txt)
- `GET /v1/business/search`: [Korea Business Verify (KBV), free tier, GET /v1/business/search](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-get-v1-business-search/llms.txt)
- `POST /v1/business/verify`: [Korea Business Verify (KBV), free tier, POST /v1/business/verify](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-post-v1-business-verify/llms.txt)
- `GET /v1/business/{number}/status`: [Korea Business Verify (KBV), free tier, GET /v1/business/{number}/status](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-get-v1-business-number-status/llms.txt)

## Korea Business Verify's APIs (1)

- [Korea Business Verify (KBV): business verification API pricing, 2 plans, POST /v1/business/batch](https://datacircle.dev/business-verification-apis/korea-business-verify-kbv/free-tier-post-v1-business-batch/llms.txt)

## Korea Business Verify (KBV): business verification API alternatives

- [eucompliance.tools, pay as you go, Pay per call (x402), GET /x402/counterparty](https://datacircle.dev/business-verification-apis/eucompliance-tools/pay-as-you-go-pay-per-call-x402-get-x402-counterparty/llms.txt): $20.00 per 1,000, 0% complete, live
- [Jid, pay as you go, GET /v1/entities/{id}, from the 100,001st call a month](https://datacircle.dev/business-verification-apis/jid/pay-as-you-go-get-v1-entities-id-from-the-100001st-call-a-month/llms.txt): $20.00 per 1,000, 18% complete, stored
- [Ambolt, pay as you go, Pay per call with x402, GET /v1/us-business-entities](https://datacircle.dev/business-verification-apis/ambolt/pay-as-you-go-pay-per-call-with-x402-get-v1-us-business-entities/llms.txt): $20.00 per 1,000, 45% complete
- [Parse, $100 monthly, Developer, GET /scraper/8ceea6f9-34d2-4d7f-adf1-fc7bdd90b476/search_entities](https://datacircle.dev/business-verification-apis/parse/100-monthly-developer-get-scraper-8ceea6f9-34d2-4d7f-adf1-fc7bdd90b476-search-entities/llms.txt): $20.00 per 1,000, 55% 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 2026-11-09.

- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://github.com/Wonderfulian/kbv-server?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kbv-server-f7vfitmlkq-du.a.run.app/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://kbv-server-f7vfitmlkq-du.a.run.app/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing