# RegisterUZ, free: Company discovery API

> Služby sú navrhnuté na inkrementálne dopytovanie zoznamov nových/zmenených entít podľa jednotlivých ich typov (účtovné jednotky, účtovné závierky, výročné správy, účtovné výkazy).

RegisterUZ's Free plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields: Description, Industry, Type and status, Images and 9 more. RegisterUZ's docs list none of the 13.
RegisterUZ limits how many pages you get but gives no number.
In [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt), this plan scores 0.0 out of 100. RegisterUZ ranks 98th of 105 providers.
We rank 1,165 plans for company discovery APIs by price. Half the plans cost $0.525 or less per 1,000 companies. This plan and 170 others tie for the lowest price per 1,000 companies of the 1,165 plans. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/registeruz/free
- [Company discovery API: the best of 100+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.registeruz.sk/cruz-public/home/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://www.registeruz.sk/cruz-public/api/uctovne-jednotky`
- API key: not needed
- Its API docs: https://www.registeruz.sk/cruz-public/home/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#id-list
- Sold by: RegisterUZ (https://www.registeruz.sk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 0%

## Score

- Overall score: 0.0. We give it 0 overall because its Accuracy score is 0.
- Price score: 100
- Accuracy score: 0
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 0. We could not measure how fast this provider answers a call, so we count it as 0.

## Price

- $ per 1,000 companies: $0.00
- Per: page of 10,000
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Most per search: no limit
- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Služby sú navrhnuté na inkrementálne dopytovanie zoznamov nových/zmenených entít podľa jednotlivých ich typov (účtovné jednotky, účtovné závierky, výročné správy, účtovné výkazy).

## Data

- Freshness: live
- Countries: Slovakia
- Keep data: no limit
- Use data: Všetky dáta v rámci RÚZ Open API sú zverejňované pod licenciou CC0.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: zmenene-od. Optional: pokracovat-za-id, max-zaznamov, ico, dic, pravna-forma
- Method: GET
- Path: /cruz-public/api/uctovne-jednotky

## About the plan

- Plan: Free
- Who can get it: anyone

## The 2 fields the plan's answer can hold

accounting unit ID, more results exist

## RegisterUZ's plans (1)

- [RegisterUZ, free](https://datacircle.dev/company-discovery-apis/registeruz/free/llms.txt): $0.00 per 1,000, 0% complete, live

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

- `GET /cruz-public/api/uctovne-jednotky`: [RegisterUZ, free](https://datacircle.dev/company-discovery-apis/registeruz/free/llms.txt)

## RegisterUZ's APIs (2)

- [RegisterUZ: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/registeruz/free/llms.txt)
- [RegisterUZ: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/registeruz/free/llms.txt)

## RegisterUZ: company discovery API alternatives

- [Findymail, free trial, POST /api/intellimatch/search, Search leads](https://datacircle.dev/company-discovery-apis/findymail/free/llms.txt): $0.00 per 1,000, 31% complete, live
- [Captapi, free](https://datacircle.dev/company-discovery-apis/captapi/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [SerpKite, free](https://datacircle.dev/company-discovery-apis/serpkite/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [FirmenData, free, Account, 800 free credits a month, GET /v1/companies/search, Advanced search, full](https://datacircle.dev/company-discovery-apis/firmendata/free-account-800-free-credits-a-month-get-v1-companies-search-advanced-search-full/llms.txt): $0.00 per 1,000, 31% 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 2026-11-08.

- https://www.registeruz.sk/cruz-public/api/uctovne-jednotky?zmenene-od=2000-01-01&pokracovat-za-id=1&max-zaznamov=100&ico=17319617&pravna-forma=701&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.registeruz.sk/cruz-public/home/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing