# CDQ, free: Business verification API

> Global VAT/ GST qualification against trusted authority services

CDQ's business verification API on its Free trial plan. It costs $0.00 per 1,000 companies. CDQ's docs list 2 of the 11 key fields we check: Registered name, Principal address.
You get up to 1,440,000 calls a month.
We haven't run CDQ through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 903 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less.
[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.
[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/cdq/free
- [Business verification API: the 12 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://www.cdq.com/free-trial?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://www.cdq.com/free-trial?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://developer.cdq.com/documentation/api/data-validation/quickstart?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: CDQ (https://www.cdq.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 18%
- Registered name: ✓
- Principal address: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Global VAT/ GST qualification against trusted authority services

## Data

- Keep data: no limit
- Use data: 8.2 The Client is hereby granted the non-exclusive, non-licensable, non-transferable, license in the Intellectual Property Rights to use the Licensed Software of CDQ for its own internal use restricted to the Intellectual Property Rights required to access the Platform and to use the Cloud Suite, including the API during the agreed term but only insofar as necessary for the purposes of these Terms of Use. [...] 7.2 [...] Client must comply with the following requirements when using the Cloud Suite: Client may not purchase, use, or access the Cloud Suite for the purpose of building a competitive product or service or for any other competitive purposes, [...] Unless authorized by CDQ in writing, Client may not use any manual or automated system or software to extract or scrape data from the websites or other interfaces through which we make our Cloud Suite available, [...] Unless authorized by CDQ in writing, Client may not resell or lease the Cloud Suite, [...]

## Plan

- Pay: $0
- Enough for: 1,440,000 calls a month

## Rate limit

- Per second: 0.56
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free trial
- Who can get it: anyone who registers with a business email or a LinkedIn account, 30 days, no credit card

## The 4 fields the plan's answer can hold

tax identifier, validity, name, address

## CDQ's plans (2)

- [CDQ, free](https://datacircle.dev/business-verification-apis/cdq/free/llms.txt): $0.00 per 1,000, 18% complete
- [CDQ, contact us](https://datacircle.dev/business-verification-apis/cdq/contact-us/llms.txt): 18% complete

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

- Docs behind sign-up: [CDQ, free](https://datacircle.dev/business-verification-apis/cdq/free/llms.txt)

## CDQ's APIs (3)

- [CDQ: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/cdq/free/llms.txt)
- [CDQ: company discovery API pricing, 2 plans](https://datacircle.dev/company-discovery-apis/cdq/free/llms.txt)
- [CDQ: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/cdq/free/llms.txt)

## CDQ: business verification API alternatives

- [INSEE, free](https://datacircle.dev/business-verification-apis/insee/free/llms.txt): $0.00 per 1,000, 45% complete, 24 hours
- [Hlidac statu, free, Zdarma, GET /api/v2/firmy/GetDetailInfo](https://datacircle.dev/business-verification-apis/hlidac-statu/free-zdarma-get-api-v2-firmy-getdetailinfo/llms.txt): $0.00 per 1,000, 27% complete
- [Scoris, free](https://datacircle.dev/business-verification-apis/scoris/free/llms.txt): $0.00 per 1,000, 18% complete, 1 week
- [Pushbuild, free, POST /uk-companies-house/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-uk-companies-house-run/llms.txt): $0.00 per 1,000, 64% 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 2026-11-05.

- https://developer.cdq.com/documentation/_public/developer-guidelines?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developer.cdq.com/documentation/_public/instructions/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developer.cdq.com/documentation/_public/sla?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://developer.cdq.com/documentation/api/data-validation/quickstart?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cdq.com/cdq-cloud-suite-terms-of-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cdq.com/free-trial?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cdq.com/products/cdq-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cdq.com/request-guided-demo/tax-id-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://www.cdq.com/solutions/cdq-suite/business-partner-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing