# B2Trust, free: Business verification API

> Search for companies across all registries by name, tax ID, VAT number, or registry number.

B2Trust's Trial plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. B2Trust's docs list 7: Registered name, Entity number, Tax ID, Entity type, Status, Formation date, Principal address.
You get up to 2,800 calls a month.
We ran B2Trust in [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt). B2Trust's call scores 0 out of 100 for accuracy. The plan on this page is free. B2Trust also has a paid plan for the same call. We don't score a free plan when the provider also has a paid plan for the same call. So this plan has no Overall score.
This plan is free. We rank 634 plans for business verification APIs by price. Half the plans cost $10.469 or less per 1,000 companies. [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/b2trust/free
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://b2trust.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://b2trust.com/api/v1/search`
- API key: with the plan, on https://b2trust.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://b2trust.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: B2Trust (https://b2trust.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-12

## In the answer

- Completeness: 64%
- Registered name: ✓
- Entity number: ✓
- Tax ID: ✓
- Entity type: ✓
- Status: ✓
- Formation date: ✓
- Principal address: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Company · Verify bank account

## Not found

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

## In their words

- Their pitch: Search for companies across all registries by name, tax ID, VAT number, or registry number.

## Data

- Countries: Germany, Poland, United Kingdom, France, Norway, Czech Republic, Denmark, Australia, United States, New Zealand, Finland, Slovakia, Austria, Belgium, Bulgaria, Cyprus, Estonia, Greece, Spain, Croatia, Hungary, Ireland, Italy, Lithuania, Luxembourg, Latvia, Malta, Netherlands, Portugal, Romania, Sweden, Slovenia
- Keep data: no limit
- Use data: You agree to use the Platform only for lawful purposes. You may not: Use automated tools (bots, scrapers, crawlers) to extract data in bulk without prior written permission, Attempt to reverse-engineer, decompile, or interfere with the Platform's technical infrastructure, Use the Platform to harass, defame, or harm any individual or entity, Redistribute, resell, or sublicense data obtained through the Platform without attribution, Overwhelm the Platform with excessive requests intended to degrade service for other users, Attempt to access administrative functions or data belonging to other users, Use the Platform for any purpose that violates applicable laws, including data protection regulations. [...] Company data sourced from public registries remains subject to the terms and conditions of the respective government authorities. [...] API keys are personal and non-transferable

## Plan

- Pay: $0
- Enough for: 2,800 calls a month

## Rate limit

- Per day: 200
- Per second: 0.33 (20 a minute)
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q. Optional: mode, country, status, legal_form, city, date_from, date_to, sort, page, limit, locale
- Method: GET
- Path: /api/v1/search

## About the plan

- Plan: Trial
- Who can get it: anyone aged 18 or over using it for lawful business purposes (the terms' 3), with a trial key

## The 32 fields the plan's answer can hold

query, mode, country code, national ID, registry number, company name, legal form, status, registered address street, registered address city, registered address postal code, registered address country, registration date, registry count, VAT number, fetched at, confidence score, confidence label, confidence color, confidence factors, first indexed at, VIES status, VIES note, total results, page, limit, total pages, query time ms, cache hit, countries, country counts, legal forms

## B2Trust's plans (2)

- [B2Trust, free](https://datacircle.dev/business-verification-apis/b2trust/free/llms.txt): $0.00 per 1,000, 64% complete
- [B2Trust, contact us](https://datacircle.dev/business-verification-apis/b2trust/contact-us/llms.txt): 64% complete

## B2Trust's calls for this API (1)

- `GET /api/v1/search`: [B2Trust, free](https://datacircle.dev/business-verification-apis/b2trust/free/llms.txt)

## B2Trust's APIs (2)

- [B2Trust Business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/b2trust/free/llms.txt)
- [B2Trust Company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/b2trust/free/llms.txt)

## B2Trust: business verification API alternatives

[B2Trust alternatives: other business verification API providers by price](https://datacircle.dev/b2trust-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 companies.

- [INSEE, free](https://datacircle.dev/business-verification-apis/insee/free/llms.txt): $0.00 per 1,000, 45% complete, 24 hours
- [Scoris, free](https://datacircle.dev/business-verification-apis/scoris/free/llms.txt): $0.00 per 1,000, 18% complete, 1 week
- [Milquery, free](https://datacircle.dev/business-verification-apis/milquery/free/llms.txt): $0.00 per 1,000, 27% complete, stored
- [Jithox, free, Labs, POST /api/company-register/v1/verify](https://datacircle.dev/business-verification-apis/jithox/free-labs-post-api-company-register-v1-verify/llms.txt): $0.00 per 1,000, 45% complete, 1 day
- [APIEmpresas, free](https://datacircle.dev/business-verification-apis/apiempresas/free/llms.txt): $0.00 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 2026-11-12.

- https://b2trust.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://b2trust.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://b2trust.com/en/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing