# UnyKorn, pay as you go, x402, POST /report/counterparty: Business verification API

> Counterparty Report: a company, its ownership parents and a sanctions screen of the whole group, with one verdict

UnyKorn's x402 plan for the business verification API costs $250.00 per 1,000 companies. We check each provider's docs for 11 fields. UnyKorn's docs list 2: Registered name, Entity number.
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 7% 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-report-counterparty
- [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/report/counterparty`
- 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: 18%
- Registered name: ✓
- Entity number: ✓

## Price

- $ per 1,000 companies: $250.00
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Counterparty Report: a company, its ownership parents and a sanctions screen of the whole group, with one verdict

## 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. Optional: params.type
- Method: POST
- Path: /report/counterparty

## About the plan

- Plan: x402
- Who can get it: anyone

## The 8 fields the plan's answer can hold

legal name, LEI, direct parent name, ultimate parent name, verdict, reasons, sanctions result, sanctions lists

## UnyKorn's plans (3)

- [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): $250.00 per 1,000, 18% complete
- [UnyKorn, $5 pack, Prepaid credits $5, POST /report/counterparty](https://datacircle.dev/business-verification-apis/unykorn/5-pack-prepaid-credits-5-post-report-counterparty/llms.txt): $250.00 per 1,000, 18% complete
- [UnyKorn, $25 pack, Prepaid credits $25, POST /report/counterparty](https://datacircle.dev/business-verification-apis/unykorn/25-pack-prepaid-credits-25-post-report-counterparty/llms.txt): $250.00 per 1,000, 18% 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 /report/counterparty](https://datacircle.dev/business-verification-apis/unykorn/pay-as-you-go-x402-post-report-counterparty/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.

- [TIC, $149 monthly](https://datacircle.dev/business-verification-apis/tic/149-monthly/llms.txt): $248.333 per 1,000, 45% complete
- [JPVerify, pay as you go, x402: pay per call, POST /v1/jp/entities/resolve](https://datacircle.dev/business-verification-apis/jpverify/pay-as-you-go-x402-pay-per-call-post-v1-jp-entities-resolve/llms.txt): $250.00 per 1,000, 18% complete, 1 day
- [FactStamp, pay as you go, Pay per call over x402 (australia rung)](https://datacircle.dev/business-verification-apis/factstamp/pay-as-you-go-pay-per-call-over-x402-australia-rung/llms.txt): $250.00 per 1,000, 27% complete
- [Limitguard, pay as you go, Free key, POST /v1/kyb/check, KYB Check, cached](https://datacircle.dev/business-verification-apis/limitguard/pay-as-you-go-free-key-post-v1-kyb-check-kyb-check-cached/llms.txt): $250.00 per 1,000, 27% complete, stored

## 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