# ARES, free: Company enrichment API

> Vyhledání ekonomického subjektu ARES podle zadaného iča

ARES'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 up to 21,600,000 calls a month.
Half of the 1,208 plans we rank by price cost $9.90 per 1,000 companies or less. This plan and 70 others tie for the lowest price per 1,000 companies of the 1,208 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. CNPJ API's R$99 monthly plan costs less to start than Extruct's $49 monthly plan.
[GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt), [Hunter](https://datacircle.dev/company-enrichment-apis/hunter/299-monthly/llms.txt) and [ScrapeUnblocker](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/pay-as-you-go-pay-as-you-go-post-companies-crunchbase/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/ares/free
- [Best company enrichment API in 2026: pricing compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty/{ico}`
- API key: with the plan, on https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://ares.gov.cz/swagger-ui/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#/ekonomicke-subjekty/vratEkonomickySubjekt
- Sold by: ARES (https://ares.gov.cz?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: ✓

## 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: Vyhledání ekonomického subjektu ARES podle zadaného iča

## Data

- Freshness: 14 days
- Countries: Czech Republic
- Keep data: no limit
- Use data: Všechny údaje, které ARES zpřístupňuje, mají pouze informativní charakter a nemají charakter úřední listiny. Jejich výpis (prostřednictvím ARES) proto nemůže být použit jako průkazní materiál pro úřední jednání. [...] si Ministerstvo financí vyhrazuje právo omezit nebo znemožnit přístup k www aplikaci ARES uživatelům, kteří: odešlou k vyřízení více než 500 dotazů za minutu, se snaží o porušení bezpečnostní ochrany www serveru Ministerstva financí, opakovaně posílají nesprávně vyplněné dotazy, opakovaně posílají stejné dotazy, mají větší počet současně zadaných dotazů (pro automatizované dotazy), obcházejí povolené limity využíváním dotazování z většího množství IP adres, automatizovaně propátrávají databázi náhodnými údaji nebo generují většinu nesprávných dotazů.

## Plan

- Pay: $0
- Enough for: 21,600,000 calls a month

## Rate limit

- Per second: 8.33
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ico
- Method: GET
- Path: /ekonomicke-subjekty/{ico}

## About the plan

- Plan: Free
- Who can get it: anyone who respects its operation conditions

## The 75 fields the plan's answer can hold

IČO, entity ID, registered name, country code, country, region code, region, district code, district, municipality code, municipality, municipality part code, municipality part, Prague administrative district code, Prague administrative district, Prague city district code, Prague city district, city borough code, city borough, street code, street, house number, house number type, orientation number, orientation number letter, address supplement, address point code, ZIP code, ZIP code text, address text, address numbers text, address standardization status, delivery address line 1, delivery address line 2, delivery address line 3, legal form, legal form in ROS, financial office, formation date, dissolution date, record update date, DIČ, VAT group DIČ, CZ-NACE 2008 codes, CZ-NACE 2025 codes, ROS registration status, VR registration status, RES registration status, RŽP registration status, NRPZS registration status, RPSH registration status, RCNS registration status, SZR registration status, VAT payer registration status, VAT group registration status, excise tax registration status, ISIR registration status, CEÚ registration status, RŠ registration status, RED registration status, MONITOR registration status, primary data source, SZR sub-register, name per source, name valid from, name valid until, name is primary record, address per source, address valid from, address valid until, address is primary record, legal form per source, legal form in ROS per source, court file number, record source

## ARES's plans (1)

- [ARES, free](https://datacircle.dev/company-enrichment-apis/ares/free/llms.txt): $0.00 per 1,000, 15% complete, 14 days

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

- `GET /ekonomicke-subjekty/{ico}`: [ARES, free](https://datacircle.dev/company-enrichment-apis/ares/free/llms.txt)

## ARES's APIs (3)

- [ARES: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/ares/free/llms.txt)
- [ARES: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/ares/free/llms.txt)
- [ARES: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/ares/free/llms.txt)

## ARES: company enrichment API alternatives

- [INSEE, free, Accès public, GET /siret/{siret}](https://datacircle.dev/company-enrichment-apis/insee/free-acces-public-get-siret-siret/llms.txt): $0.00 per 1,000, 31% complete, 24 hours
- [apipj, free](https://datacircle.dev/company-enrichment-apis/apipj/free/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [ScrapeUnblocker, free, POST /companies/crunchbase](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/free-free-post-companies-crunchbase/llms.txt): $0.00 per 1,000, 85% complete, live
- [MillionPhones, free](https://datacircle.dev/company-enrichment-apis/millionphones/free/llms.txt): $0.00 per 1,000, 31% complete, 1 month
- [Annuaire des Entreprises, free](https://datacircle.dev/company-enrichment-apis/annuaire-des-entreprises/free/llms.txt): $0.00 per 1,000, 46% 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://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty/00006947?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/v3/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/stranky/faq-en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/stranky/operation-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/swagger-ui/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://ares.gov.cz/swagger-ui/swagger-initializer.js?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing