# Grundfast, free: Company enrichment API

> Slå en virksomhed op på CVR-nummeret og få navn, status, branche og beliggenhedsadresse i ét rent svar.

Grundfast's Free plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Grundfast's docs list 4: Industry, Type and status, Headquarters, Phones.
In [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt), the best plan from Grundfast scores 66.6 out of 100. Grundfast ranks 193rd of 301 providers.
This plan is free. We rank 3,159 plans for company enrichment APIs by price. Half the plans cost $7.96 or less per 1,000 companies. [1,102 company enrichment API plans on our price sheet are free.](https://datacircle.dev/best-company-enrichment-api.txt) [g0v Taiwan Company's free plan](https://datacircle.dev/company-enrichment-apis/g0v-taiwan-company/free-get-api-bulkquery/llms.txt) scores highest of the free plans in our benchmark, at 81.0 out of 100. g0v Taiwan Company covers companies in Taiwan only.
[TrustLookup's $19 monthly plan](https://datacircle.dev/company-enrichment-apis/trustlookup/19-monthly/llms.txt) is the cheapest paid plan per 1,000 companies, for the United States only. TrustLookup's company enrichment API costs nothing beyond the plan price. [Zodipe's PEN 45 yearly plan](https://datacircle.dev/company-enrichment-apis/zodipe/pen-45-yearly/llms.txt) costs the least for 10,000 companies a month, for Peru only: about $1.09.
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only, and costs less up front than TrustLookup's $19 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [Tapline](https://datacircle.dev/company-enrichment-apis/tapline/49-monthly/llms.txt) and [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/grundfast/free
- [Company enrichment API in 2026: the best of 300+ compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://grundfast.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://api.grundfast.dk/v1/cvr/{cvr}`
- API key: with the plan, on https://grundfast.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://grundfast.dk/docs/api/cvr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Grundfast (https://grundfast.dk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 31%
- Industry: ✓
- Type and status: ✓
- Headquarters: ✓
- Phones: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Start fee: $0.00
- Also pays for: from the same budget: 96 other Grundfast calls

## Overage

- Units cap: hard

## Not found

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

## In their words

- Their pitch: Slå en virksomhed op på CVR-nummeret og få navn, status, branche og beliggenhedsadresse i ét rent svar.

## Data

- Freshness: live
- Countries: Denmark
- Keep data: no limit
- Use data: CVR-data [...] underlagt CVR-loven og Erhvervsstyrelsens vilkår (ikke CC BY 4.0). [...] CVR-opslag for personligt ejede virksomhedsformer (enkeltmandsvirksomhed, deltagere i interessentskaber m.v.) kan indeholde indehaverens personoplysninger — typisk navn og virksomhedens beliggenhedsadresse, der ofte er indehaverens privatadresse. Disse personoplysninger må ikke anvendes til markedsføring eller direkte markedsføring — herunder uanmodede henvendelser, profilering samt opbygning, berigelse eller salg af markedsførings- eller kontaktlister — og må ikke videregives eller videresælges til tredjemand med henblik herpå. Personoplysningerne må alene behandles til det saglige, forud fastlagte formål, du har indhentet dem til, og i overensstemmelse med databeskyttelsesforordningen, databeskyttelsesloven og markedsføringsloven.

## Plan

- Pay: DKK 0
- You get: 5,000 requests a month
- Enough for: 5,000 calls a month

## Rate limit

- Per second: 20
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.13 s

## The call

- You send: cvr
- Method: GET
- Path: /v1/cvr/{cvr}

## About the plan

- Plan: Free
- Who can get it: anyone with a verified email

## The 24 fields the plan's answer can hold

CVR number, company name, company status, legal form, full address, street name, house number, floor, door, postal code, postal district, municipality code, municipality name, region code, region name, industry code, industry, start date, end date, advertising protection, phone, email, source, API version

## Grundfast's plans (8)

- [Grundfast, free](https://datacircle.dev/company-enrichment-apis/grundfast/free/llms.txt): $0.00 per 1,000, 31% complete, live
- [Grundfast, DKK 99 monthly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-99-monthly/llms.txt): $0.149 per 1,000, 31% complete, live
- [Grundfast, DKK 249 monthly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-249-monthly/llms.txt): $0.075 per 1,000, 31% complete, live
- [Grundfast, DKK 599 monthly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-599-monthly/llms.txt): $0.045 per 1,000, 31% complete, live
- [Grundfast, DKK 950.40 yearly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-950-40-yearly/llms.txt): $0.119 per 1,000, 31% complete, live
- [Grundfast, DKK 2,390.40 yearly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-2390-40-yearly/llms.txt): $0.06 per 1,000, 31% complete, live
- [Grundfast, DKK 5,750.40 yearly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-5750-40-yearly/llms.txt): $0.036 per 1,000, 31% complete, live
- [Grundfast, contact us](https://datacircle.dev/company-enrichment-apis/grundfast/contact-us/llms.txt): 31% complete, live

## Grundfast's calls (1)

- `GET /v1/cvr/{cvr}`: [Grundfast, free](https://datacircle.dev/company-enrichment-apis/grundfast/free/llms.txt)

## Grundfast's APIs (1)

- [Grundfast Company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/grundfast/free/llms.txt)

## Grundfast: company enrichment API alternatives

[Grundfast alternatives: every company enrichment API provider ranked](https://datacircle.dev/grundfast-alternatives.txt)

We list Grundfast's cheapest paid plan first. Next we list other providers' plans closest to Grundfast in price per 1,000 companies. Each plan in the list gives live data.

- [Grundfast, DKK 5,750.40 yearly](https://datacircle.dev/company-enrichment-apis/grundfast/dkk-5750-40-yearly/llms.txt): $0.036 per 1,000, 31% complete, live
- [FetchLayer, $900 monthly](https://datacircle.dev/company-enrichment-apis/fetchlayer/900-monthly/llms.txt): $0.017 per 1,000, 31% complete, live
- [Omkar Cloud, $16 monthly](https://datacircle.dev/company-enrichment-apis/omkar-cloud/16-monthly/llms.txt): $0.04 per 1,000, 31% complete, live
- [ApiPeru, PEN 450 yearly, Premium, POST /ruc-sunat](https://datacircle.dev/company-enrichment-apis/apiperu/pen-450-yearly-premium-post-ruc-sunat/llms.txt): $0.044 per 1,000, 23% complete, live
- [Mapa CNPJ, R$49 monthly](https://datacircle.dev/company-enrichment-apis/mapa-cnpj/r-49-monthly/llms.txt): $0.048 per 1,000, 38% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://api.grundfast.dk/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/cvr-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/docs/api/cvr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/docs/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/handelsbetingelser?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://grundfast.dk/priser?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing