# Leadstrategist, free: Business verification API

> Fill in company name, address and industry from the CVR number, and check that a customer is still active

Leadstrategist's Free beta plan for the business verification API costs $0.00 per 1,000 companies. We check each provider's docs for 11 fields. Leadstrategist's docs list 4: Registered name, Entity number, Status, Principal address.
We haven't run Leadstrategist through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 1,422 plans for business verification APIs by price. Half the plans cost $7.895 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), [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) and [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/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/leadstrategist/free
- [Business verification API: the 14 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://leadstrategist.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://leadstrategist.dk/api/v1/companies`
- API key: with the plan, on https://leadstrategist.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://leadstrategist.dk/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: Leadstrategist (https://leadstrategist.dk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-08

## 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: from the same budget: Company snapshot by CVR · Annual-report financials for a CVR

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Fill in company name, address and industry from the CVR number, and check that a customer is still active

## Data

- Freshness: 1 day
- Countries: Denmark
- Keep data: no limit
- Use data: Lead Strategist is sold to businesses only (B2B): companies, sole traders, associations and public bodies that use the service in their trade or business. [...] Companies with CVR advertising protection must not be contacted for marketing. You are responsible for your own use of the data, including under the GDPR and the Danish Marketing Practices Act [...] The data is CC BY 4.0, so credit the source when you reuse it.

## Plan

- Pay: DKK 0
- You get: 20,000 credits a month
- Enough for: 20,000 calls a month
- Expires: end of the month

## Rate limit

- Per second: 2
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: name. Optional: industry_code, industry, status, min_employees, max_employees, min_revenue, max_revenue, include_protected, municipality, city, region, limit, offset
- Method: GET
- Path: /companies

## About the plan

- Plan: Free beta
- Who can get it: any business with a confirmed email address (B2B only, no consumers)

## The 25 fields the plan's answer can hold

CVR number, company name, status, industry code, industry name, phone number, email address, advertising protection, industries, latest financial period end, latest revenue, latest net income, latest average employees, latest equity, latest assets, postal code, city, municipality code, municipality, contact warning, limit, offset, count, next offset, filters

## Leadstrategist's plans (10)

- [Leadstrategist, free](https://datacircle.dev/business-verification-apis/leadstrategist/free/llms.txt): $0.00 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 50 pack](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-50-pack/llms.txt): $0.075 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 250 pack](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-250-pack/llms.txt): $0.06 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 39 monthly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-39-monthly/llms.txt): $0.059 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 119 monthly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-119-monthly/llms.txt): $0.03 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 349 monthly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-349-monthly/llms.txt): $0.021 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 390 yearly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-390-yearly/llms.txt): $0.049 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 1,190 yearly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-1190-yearly/llms.txt): $0.025 per 1,000, 36% complete, 1 day
- [Leadstrategist, DKK 3,490 yearly](https://datacircle.dev/business-verification-apis/leadstrategist/dkk-3490-yearly/llms.txt): $0.018 per 1,000, 36% complete, 1 day
- [Leadstrategist, contact us](https://datacircle.dev/business-verification-apis/leadstrategist/contact-us/llms.txt): 36% complete, 1 day

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

- `GET /companies`: [Leadstrategist, free](https://datacircle.dev/business-verification-apis/leadstrategist/free/llms.txt)

## Leadstrategist's APIs (3)

- [Leadstrategist: business verification API pricing, 10 plans](https://datacircle.dev/business-verification-apis/leadstrategist/free/llms.txt)
- [Leadstrategist: company discovery API pricing, 10 plans](https://datacircle.dev/company-discovery-apis/leadstrategist/free/llms.txt)
- [Leadstrategist: company enrichment API pricing, 10 plans](https://datacircle.dev/company-enrichment-apis/leadstrategist/free/llms.txt)

## Leadstrategist: business verification API alternatives

- [FastCAC, top-up](https://datacircle.dev/business-verification-apis/fastcac/top-up/llms.txt): $0.00 per 1,000, 36% complete, live
- [EuroValidate, €149 monthly, Scale, GET /v1/eori/{eori_number}](https://datacircle.dev/business-verification-apis/eurovalidate/149-monthly-scale-get-v1-eori-eori-number/llms.txt): $0.017 per 1,000, 18% complete, 24 hours
- [IsValid, €49 monthly, Pro, GET /v0/pl/ceidg](https://datacircle.dev/business-verification-apis/isvalid/49-monthly-pro-get-v0-pl-ceidg/llms.txt): $0.018 per 1,000, 55% complete, live
- [Firmenakte, €60 monthly](https://datacircle.dev/business-verification-apis/firmenakte/60-monthly/llms.txt): $0.031 per 1,000, 9% complete, 1 hour

## 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://leadstrategist.dk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://leadstrategist.dk/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://leadstrategist.dk/en/cvr-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://leadstrategist.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://leadstrategist.dk/en/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing