# Companies Registration Office, free: Company enrichment API

> The Company Records resource is a daily snapshot of the main details of all registered companies

Companies Registration Office's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Type and status, Headquarters.
You get as many calls as you like.
Half of the 1,386 plans we rank by price cost $8.99 per 1,000 companies or less. This plan and 85 others tie for the lowest price per 1,000 companies of the 1,386 plans.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in our benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/companies-registration-office/free
- [Best company enrichment API in 2026: providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://opendata.cro.ie/dataset/companies?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://opendata.cro.ie/api/3/action/datastore_search`
- API key: not needed
- Its API docs: https://docs.ckan.org/en/2.9/maintaining/datastore.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#ckanext.datastore.logic.action.datastore_search
- Sold by: Companies Registration Office (https://cro.ie?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 15%
- Type and status: ✓
- Headquarters: ✓

## Score

- Overall score: 73.1
- Price score: 100
- Accuracy score: 51
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 100

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The Company Records resource is a daily snapshot of the main details of all registered companies

## Data

- Freshness: 1 day
- Countries: Ireland
- Keep data: no limit
- Use data: Dataset licence "CC-BY-4.0": "available for bulk download and API access under the Creative Commons Attribution 4.0 (CC BY 4.0) licence, allowing unrestricted reuse with appropriate attribution". "Under the CC-BY Licence, users must acknowledge the source of the Information in their product or application. Where the Information Provider does not provide a specific attribution statement users should include, or link to, this attribution statement: “Contains Irish Public Sector Data licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence”." "The Registrar reserves the right to amend or vary any information provided at any time." The licence: "If You Share the Licensed Material (including in modified form), You must: [...] indicate if You modified the Licensed Material [...], and indicate the Licensed Material is licensed under this Public License, and include the text of, or the URI or hyperlink to, this Public License." "You may not offer or impose any additional or different terms or conditions on, or apply any Effective Technological Measures to, the Licensed Material if doing so restricts exercise of the Licensed Rights by any recipient of the Licensed Material." "Nothing in this Public License constitutes or may be construed as permission to assert or imply that You are, or that Your use of the Licensed Material is, connected with, or sponsored, endorsed, or granted official status by, the Licensor [...]" "Patent and trademark rights are not licensed under this Public License."

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 0.01 s

## The call

- You send: resource_id "3fef41bc-b8f4-4b10-8434-ce51c29b1bba", filters.company_num. Optional: q, distinct, plain, language, limit, offset, fields, sort, include_total, total_estimation_threshold, records_format
- Method: GET
- Path: /api/3/action/datastore_search

## About the plan

- Plan: Free
- Who can get it: anyone

## The 22 fields the plan's answer can hold

record ID, entity ID, entity name, name effective date, status code, status, status date, entity type code, entity type, entity type effective date, registration date, dissolution date, address line 1, address line 2, address line 3, address line 4, Eircode, last annual return date, next annual return date, last accounts date, NACE version 2 code, principal object code

## Companies Registration Office's plans (1)

- [Companies Registration Office, free](https://datacircle.dev/company-enrichment-apis/companies-registration-office/free/llms.txt): $0.00 per 1,000, 15% complete, 1 day

## Companies Registration Office's calls (1)

- `GET /api/3/action/datastore_search`: [Companies Registration Office, free](https://datacircle.dev/company-enrichment-apis/companies-registration-office/free/llms.txt)

## Companies Registration Office's APIs (3)

- [Companies Registration Office: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/companies-registration-office/free/llms.txt)
- [Companies Registration Office: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/companies-registration-office/free/llms.txt)
- [Companies Registration Office: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/companies-registration-office/free/llms.txt)

## Companies Registration Office: company enrichment API alternatives

- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [data.ct.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-ct-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 38% complete, 1 day
- [Decolecta, free, GET /v1/sunat/ruc/full](https://datacircle.dev/company-enrichment-apis/decolecta/free-get-v1-sunat-ruc-full/llms.txt): $0.00 per 1,000, 23% complete, 1 day
- [PRH, free](https://datacircle.dev/company-enrichment-apis/prh/free/llms.txt): $0.00 per 1,000, 15% 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 2026-11-02.

- https://creativecommons.org/licenses/by/4.0/legalcode?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.ckan.org/en/2.9/maintaining/datastore.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#ckanext.datastore.logic.action.datastore_search
- https://opendata.cro.ie/about?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://opendata.cro.ie/api/3/action/datastore_search?resource_id=3fef41bc-b8f4-4b10-8434-ce51c29b1bba&q=ryanair&limit=2
- https://opendata.cro.ie/api/3/action/status_show?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://opendata.cro.ie/dataset/companies?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://opendata.cro.ie/dataset/companies/resource/3fef41bc-b8f4-4b10-8434-ce51c29b1bba?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing