# opendata.best, free: Business verification API

> Screen sanctions, verify companies, query permits, and export regulatory records from one self-serve public data API catalog.

opendata.best's Free plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. opendata.best's docs list 4: Registered name, Entity number, Status, Principal address.
We tested opendata.best on companies from England and Wales. The best plan from opendata.best scores 63.7 out of 100. For our business verification API ranking, we test providers on a different list of companies. Don't compare this 63.7 with scores in [our business verification API ranking](https://datacircle.dev/best-business-verification-api.txt).
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/opendata-best/free
- [Business verification API in 2026: the 8 best compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://opendata.best/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://opendata.best/api/v1/data/products/{product_id}/search`
- API key: with the plan, on https://opendata.best/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://opendata.best/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: opendata.best (https://opendata.best?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-12

## In the answer

- Completeness: 36%
- Registered name: ✓
- Entity number: ✓
- Status: ✓
- Principal address: ✓ town or region

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

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

## In their words

- Their pitch: Screen sanctions, verify companies, query permits, and export regulatory records from one self-serve public data API catalog.

## Data

- Countries: Australia, Austria, Belgium, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, India, Ireland, Israel, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Poland, Portugal, Romania, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland, Taiwan, United Kingdom, United States
- Keep data: no limit
- Use data: Use of the service is subject to your plan limits, source-specific licensing constraints, and the requirement that you do not misuse public records or attempt to evade rate limits. Do not bypass quotas, access controls, or intended product boundaries. Do not use exported records in ways prohibited by source licensing or applicable law. Do not share credentials outside the team or client relationship they were issued for.

## Plan

- Pay: $0
- You get: 100 requests a month
- Enough for: 100 calls a month
- Expires: end of each month

## Rate limit

- Per day: 20
- Batch: 1

## Speed

- Answer: in the call
- Median: 15.66 s

## The call

- You send: product_id, q. Optional: limit
- Method: GET
- Path: /api/v1/data/products/{product_id}/search

## About the plan

- Plan: Free
- Who can get it: anyone who signs up with an email and password

## The 20 fields the plan's answer can hold

name, jurisdiction, status, website, business name, license ID, license type, owner name, state, institution name, city, country, competent authority, LEI, authorisation status, deposit guarantee scheme, source, category, record count, elapsed ms

## opendata.best's plans (5)

- [opendata.best, free](https://datacircle.dev/business-verification-apis/opendata-best/free/llms.txt): $0.00 per 1,000, 36% complete
- [opendata.best, $20 monthly](https://datacircle.dev/business-verification-apis/opendata-best/20-monthly/llms.txt): $10.00 per 1,000, 36% complete
- [opendata.best, $79 monthly](https://datacircle.dev/business-verification-apis/opendata-best/79-monthly/llms.txt): $3.95 per 1,000, 36% complete
- [opendata.best, $199 monthly](https://datacircle.dev/business-verification-apis/opendata-best/199-monthly/llms.txt): $0.995 per 1,000, 36% complete
- [opendata.best, contact us](https://datacircle.dev/business-verification-apis/opendata-best/contact-us/llms.txt): 36% complete

## opendata.best's calls (1)

- `GET /api/v1/data/products/{product_id}/search`: [opendata.best, free](https://datacircle.dev/business-verification-apis/opendata-best/free/llms.txt)

## opendata.best's APIs (1)

- [opendata.best Business verification API pricing, 5 plans](https://datacircle.dev/business-verification-apis/opendata-best/free/llms.txt)

## opendata.best: business verification API alternatives

[opendata.best alternatives: every business verification API plan in England and Wales compared](https://datacircle.dev/business-verification-api-pricing/england-and-wales.md)

We list opendata.best's cheapest paid plan first. Next we list other providers' plans closest to opendata.best in price per 1,000 companies. We also show the GCIS plan. Its price is farther from the price of opendata.best's cheapest paid plan.

- [opendata.best, $199 monthly](https://datacircle.dev/business-verification-apis/opendata-best/199-monthly/llms.txt): $0.995 per 1,000, 36% complete
- [GCIS, free](https://datacircle.dev/business-verification-apis/gcis/free/llms.txt): $0.00 per 1,000, 55% complete
- [Croma, $99 monthly, Standard, POST /us/sunbiz/entity/v1](https://datacircle.dev/business-verification-apis/croma/99-monthly-standard-post-us-sunbiz-entity-v1/llms.txt): $0.99 per 1,000, 64% complete, stored
- [Anysite, $1,199 monthly, Enterprise, POST /api/acra/companies/search](https://datacircle.dev/business-verification-apis/anysite/1199-monthly-enterprise-post-api-acra-companies-search/llms.txt): $0.999 per 1,000, 64% complete
- [NeuralVerge, $50 monthly, Base, POST /functions/v1/run-hr-companies-search](https://datacircle.dev/business-verification-apis/neuralverge/50-monthly-base-post-functions-v1-run-hr-companies-search/llms.txt): $1.00 per 1,000, 64% complete
- [Asimplek, pay as you go, Pay per call with x402, POST /v1/entity/batch-resolve](https://datacircle.dev/business-verification-apis/asimplek/pay-as-you-go-pay-per-call-with-x402-post-v1-entity-batch-resolve/llms.txt): $1.00 per 1,000, 73% 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 2026-11-12.

- https://opendata.best?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/catalog/au_asic_credit_licensees?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/catalog/eu_eba_credit_institutions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/docs/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/playground?scenario=kyb_due_diligence&product=global-entity-lookup&rawProduct=uk_charity_commission_register&q=Acme&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.best/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing