# UnyKorn, pay as you go, x402, POST /screen/entity: Business verification API

> Global company lookup: any company worldwide by name, LEI or SEC CIK, with its ownership parents

UnyKorn's x402 plan for the business verification API costs $10.00 per 1,000 companies. We check each provider's docs for 11 fields. UnyKorn's docs list 5: Registered name, Entity number, Status, Principal address, Filings.
We haven't run UnyKorn through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
We rank 634 plans for business verification APIs by price. Half the plans cost $10.469 or less per 1,000 companies. This plan costs less per 1,000 companies than 50% of the 634 plans. UnyKorn has no free business verification API plan. [200 business verification API plans on our price sheet are free.](https://datacircle.dev/best-business-verification-api.txt) [GovFiles](https://datacircle.dev/business-verification-apis/govfiles/free/llms.txt) has a free plan with 1,000 results. GovFiles is the best business verification API in our benchmark for companies in any country.
[Jsonpage's €129 monthly plan](https://datacircle.dev/business-verification-apis/jsonpage/129-monthly-pro-get-v2-validate/llms.txt) is the cheapest paid plan per 1,000 companies, for 33 countries only, with no charge per call. You get as many companies as Jsonpage'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, for China only: about $4.97.
[eucompliance.tools' €20 monthly plan (/v1/vat)](https://datacircle.dev/business-verification-apis/eucompliance-tools/20-monthly-business-get-v1-vat/llms.txt) covers any number of companies, and costs less up front than Jsonpage's €129 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/unykorn/pay-as-you-go-x402-post-screen-entity
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://twin.unykorn.org/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://twin.unykorn.org/screen/entity`
- API key: not needed
- Its API docs: https://twin.unykorn.org/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: UnyKorn (https://twin.unykorn.org?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 45%
- Registered name: ✓
- Entity number: ✓
- Status: ✓
- Principal address: ✓
- Filings: ✓

## Price

- $ per 1,000 companies: $10.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Global company lookup: any company worldwide by name, LEI or SEC CIK, with its ownership parents

## Data

- Countries: Worldwide
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: params.query
- Method: POST
- Path: /screen/entity

## About the plan

- Plan: x402
- Who can get it: anyone

## The 22 fields the plan's answer can hold

legal name, LEI, jurisdiction, LEI registration status, LEI entity status, address, registration authority, LEI next renewal, direct parent name, direct parent LEI, ultimate parent name, ultimate parent LEI, tickers, latest filings, sources, lookup result, registry source, headquarters address, SEC CIK, record flags, limitations, receipt

## UnyKorn's plans (3)

- [UnyKorn, pay as you go, x402, POST /screen/entity](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-screen-entity/llms.txt): $10.00 per 1,000, 45% complete
- [UnyKorn, $5 pack, Prepaid credits $5, POST /screen/entity](https://datacircle.dev/business-verification-apis/unykorn/5-pack-prepaid-credits-5-post-screen-entity/llms.txt): $10.00 per 1,000, 45% complete
- [UnyKorn, $25 pack, Prepaid credits $25, POST /screen/entity](https://datacircle.dev/business-verification-apis/unykorn/25-pack-prepaid-credits-25-post-screen-entity/llms.txt): $10.00 per 1,000, 45% complete

## UnyKorn's calls for this API (3)

- `POST /report/counterparty`: [UnyKorn, pay as you go, x402, POST /report/counterparty](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-report-counterparty/llms.txt)
- `POST /agents/evidence-01/dossier`: [UnyKorn, pay as you go, x402, POST /agents/evidence-01/dossier](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-agents-evidence-01-dossier/llms.txt)
- `POST /screen/entity`: [UnyKorn, pay as you go, x402, POST /screen/entity](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-screen-entity/llms.txt)

## UnyKorn's APIs (8)

- [UnyKorn Hacker News search API pricing, 3 plans](https://datacircle.dev/hacker-news-search-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn Company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn Domain WHOIS API pricing, 3 plans](https://datacircle.dev/domain-whois-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn Email verification API pricing, 3 plans](https://datacircle.dev/validate-email-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn IP company lookup API pricing, 3 plans](https://datacircle.dev/ip-company-lookup-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn Web scraping API pricing, 3 plans](https://datacircle.dev/web-scraping-apis/unykorn/pay-as-you-go/llms.txt)
- [UnyKorn Business verification API pricing, 3 plans, POST /screen/entity](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-screen-entity/llms.txt)
- [UnyKorn Company hierarchy API pricing, 3 plans, POST /report/counterparty](https://datacircle.dev/company-hierarchy-apis/unykorn/pay-as-you-go-x402-post-report-counterparty/llms.txt)
- [UnyKorn Company hierarchy API pricing, 3 plans, POST /agents/evidence-01/dossier](https://datacircle.dev/company-hierarchy-apis/unykorn/pay-as-you-go-x402-post-agents-evidence-01-dossier/llms.txt)
- [UnyKorn Company hierarchy API pricing, 3 plans, POST /screen/entity](https://datacircle.dev/company-hierarchy-apis/unykorn/pay-as-you-go-x402-post-screen-entity/llms.txt)

## UnyKorn: business verification API alternatives

[UnyKorn alternatives: other business verification API providers by price](https://datacircle.dev/unykorn-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 companies. We also show the Synteza plan. Its price is farther from this plan's price.

- [eucompliance.tools, pay as you go, Pay per call (x402), GET /x402/company](https://datacircle.dev/business-verification-apis/eucompliance-tools/pay-as-you-go-pay-per-call-x402-get-x402-company/llms.txt): $10.00 per 1,000, 55% complete, live
- [Verif Entreprise FR, pay as you go, x402 pay per call, GET /v1/verify](https://datacircle.dev/business-verification-apis/verif-entreprise-fr/pay-as-you-go-x402-pay-per-call-get-v1-verify/llms.txt): $10.00 per 1,000, 64% complete, live
- [Croma, $20 monthly, Hobby, POST /us/delaware/entity/v1](https://datacircle.dev/business-verification-apis/croma/20-monthly-hobby-post-us-delaware-entity-v1/llms.txt): $10.00 per 1,000, 45% complete, live
- [JPVerify, pay as you go, x402: pay per call, POST /jp-company/verify](https://datacircle.dev/business-verification-apis/jpverify/pay-as-you-go-x402-pay-per-call-post-jp-company-verify/llms.txt): $10.00 per 1,000, 36% complete, 1 day
- [Synteza, PLN 99 monthly](https://datacircle.dev/business-verification-apis/synteza/pln-99-monthly/llms.txt): $10.30 per 1,000, 55% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://genesis402.com/catalog?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://twin.unykorn.org/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://twin.unykorn.org/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://twin.unykorn.org/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing