# Bosco Labs, free trial, POST /v1/counterparty-check: Business verification API

> KYB counterparty check from official registers: company status, LEI, insolvency, sanctions on OFAC, UN, UK and EU lists, VIES VAT and IBAN, with sources.

Bosco Labs's Free trial plan for the business verification API costs $0.00 per 1,000 companies. Bosco Labs's docs list 6 of the 11 fields on our checklist: Registered name, Entity number, Entity type, Status, Principal address, Officers.
We haven't run Bosco Labs through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 1,165 plans for business verification APIs by price. Half the plans cost $8.182 or less per 1,000 companies. [See the best free business verification API plan.](https://datacircle.dev/best-business-verification-api.txt)
[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. [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 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/bosco-labs/free-trial-post-v1-counterparty-check
- [Business verification API: the 13 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://boscolabs.dev/api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `POST https://api.boscolabs.dev/v1/counterparty-check`
- API key: with the plan, on https://boscolabs.dev/api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://api.boscolabs.dev/v1/tools/counterparty-check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Bosco Labs (https://boscolabs.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 55%
- Registered name: ✓
- Entity number: ✓
- Entity type: ✓
- Status: ✓
- Principal address: ✓
- Officers: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Company Check API · VAT Number & IBAN Check API · SEC Company Financials API · SEC Company Screener API · SEC EDGAR Filings API · Sanctions Screening API · EU Law Lookup API (EUR-Lex) · UK & Dutch Law Lookup API · ECB Rates & Euro Inflation API · US Federal Rules API · Drug Safety API · Product Recall Check API · Package Vulnerability Check API · ISIN, LEI, CIK, FIGI & Ticker Resolver API (crosswalk) · ClinicalTrials.gov API · Company Hiring Signals API · Dutch Address Lookup API · Dutch Case Law API (Rechtspraak) · UK New Companies API · EU Public Tenders & Contract Awards API (TED procurement) · US Federal Awards API · Pentagon / DoD Contract Awards API · Congress Stock Trades API · SEC Insider Trading API (Form 4) · Company Financials API · EU Annual Reports API (ESEF) · SEC Ownership API · Tariff Code & Duty Lookup API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: KYB counterparty check from official registers: company status, LEI, insolvency, sanctions on OFAC, UN, UK and EU lists, VIES VAT and IBAN, with sources.

## Data

- Countries: United Kingdom, Denmark, Norway, France, Finland, Estonia, Poland, United States
- Keep data: no limit
- Use data: You may use the Service for yourself, your company, or inside your own product, including an AI agent that acts for your users. [...] You may not resell raw API output as a competing bulk data service or use the API to download a source in bulk, share your key outside your organisation or product, deliberately exceed rate limits, attack, overload or reverse-engineer the Service, or use it for anything unlawful, including profiling of private persons. [...] Some results contain personal data that the source publishes, such as names on sanctions lists. Use it only for the purposes the source allows, such as compliance, research and due diligence.

## Plan

- Pay: $0
- You get: 5,000 credits
- Enough for: 10 calls

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: query, Content-Type header "application/json". Optional: country, vatNumber, iban, walletAddresses
- Method: POST
- Path: /v1/counterparty-check

## About the plan

- Plan: Free trial
- Who can get it: anyone with a verified e-mail address, one trial per e-mail address

## The 30 fields the plan's answer can hold

searched query, checklist status, checks, check summary, screening notice, country, legal name, registration number, register, LEI, LEI status, company status, legal form, registered address, latest financials, officers, persons with significant control, insolvency notices, insolvency proceedings, US listing, company sanctions screening, people screened for sanctions, people with sanctions matches, VAT check, IBAN check, wallet screening, candidates, warnings, source URL, retrieved at

## Bosco Labs's plans (5)

- [Bosco Labs, free trial, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/free-trial-post-v1-counterparty-check/llms.txt): $0.00 per 1,000, 55% complete
- [Bosco Labs, pay as you go, x402 pay per call, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/pay-as-you-go-x402-pay-per-call-post-v1-counterparty-check/llms.txt): $50.00 per 1,000, 55% complete
- [Bosco Labs, $10 pack, $10 credit pack, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/10-pack-10-credit-pack-post-v1-counterparty-check/llms.txt): $50.00 per 1,000, 55% complete
- [Bosco Labs, $50 pack, $50 credit pack, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/50-pack-50-credit-pack-post-v1-counterparty-check/llms.txt): $50.00 per 1,000, 55% complete
- [Bosco Labs, $200 pack, $200 credit pack, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/200-pack-200-credit-pack-post-v1-counterparty-check/llms.txt): $50.00 per 1,000, 55% complete

## Bosco Labs's calls for this API (2)

- `POST /v1/company-check`: [Bosco Labs, free trial, POST /v1/company-check](https://datacircle.dev/business-verification-apis/bosco-labs/free-trial-post-v1-company-check/llms.txt)
- `POST /v1/counterparty-check`: [Bosco Labs, free trial, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/free-trial-post-v1-counterparty-check/llms.txt)

## Bosco Labs's APIs (4)

- [Bosco Labs: company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/bosco-labs/free/llms.txt)
- [Bosco Labs: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/bosco-labs/free/llms.txt)
- [Bosco Labs: company open jobs API pricing, 5 plans](https://datacircle.dev/company-open-job-apis/bosco-labs/free/llms.txt)
- [Bosco Labs: business verification API pricing, 5 plans, POST /v1/counterparty-check](https://datacircle.dev/business-verification-apis/bosco-labs/free-trial-post-v1-counterparty-check/llms.txt)

## Bosco Labs: business verification API alternatives

- [SavvyIQ, top-up from $5, Pay as you go, GET /v2/search](https://datacircle.dev/business-verification-apis/savvyiq/top-up-from-5-pay-as-you-go-get-v2-search/llms.txt): $50.00 per 1,000, 27% complete, 1 month
- [OpenSOSData, $250 pack, Scale, POST /v1/lookup](https://datacircle.dev/business-verification-apis/opensosdata/250-pack-scale-post-v1-lookup/llms.txt): $50.00 per 1,000, 100% complete, live
- [CorpoAPI, top-up from $50, Usage, POST /v1/verify](https://datacircle.dev/business-verification-apis/corpoapi/top-up-from-50-usage-post-v1-verify/llms.txt): $50.00 per 1,000, 64% complete
- [FactStamp, $10 pack](https://datacircle.dev/business-verification-apis/factstamp/10-pack/llms.txt): $50.00 per 1,000, 27% 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.boscolabs.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://api.boscolabs.dev/v1/tools?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://boscolabs.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://boscolabs.dev/api.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://boscolabs.dev/terms.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing