# ARES, free: Company discovery API

> Vyhledání seznamu ekonomických subjektů ARES podle komplexního filtru

ARES's company discovery 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 pages as you like.
Half of the 659 plans we rank by price cost $1.00 per 1,000 companies or less. This plan and 43 others tie for the lowest price per 1,000 companies of the 659 plans.
[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 to start 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 [Skrapp](https://datacircle.dev/company-discovery-apis/skrapp/349-monthly/llms.txt) are the best company discovery API providers in our benchmark.

- This page: https://datacircle.dev/company-discovery-apis/ares/free
- [Best company discovery API in 2026: pricing compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `POST https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty/vyhledat`
- API key: with the plan, on https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://ares.gov.cz/swagger-ui/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#/ekonomicke-subjekty/vyhledejEkonomickeSubjekty
- Sold by: ARES (https://ares.gov.cz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-02

## In the answer

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

## Price

- $ per 1,000 companies: $0.00
- Per: page, size not stated
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Vyhledání seznamu ekonomických subjektů ARES podle komplexního filtru

## 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: no limit

## Rate limit

- Per second: 8.33
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: start, pocet, razeni, sidlo.kodCastiObce, sidlo.kodSpravnihoObvodu, sidlo.kodMestskeCastiObvodu, sidlo.kodUlice, sidlo.cisloDomovni, sidlo.kodObce, sidlo.cisloOrientacni, sidlo.cisloOrientacniPismeno, sidlo.textovaAdresa, pravniForma, financniUrad, pravniFormaRos, czNace
- Method: POST
- Path: /ekonomicke-subjekty/vyhledat

## About the plan

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

## The 76 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, total results

## ARES's plans (1)

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

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

- `POST /ekonomicke-subjekty/vyhledat`: [ARES, free](https://datacircle.dev/company-discovery-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 discovery API alternatives

- [AnVendor, free, POST /v1/scans](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-scans/llms.txt): $0.00 per 1,000, 15% complete, 30 days
- [AnyAPI, free trial key, POST /v1/run/company_search.ai_ark](https://datacircle.dev/company-discovery-apis/anyapi/free-trial-key-post-v1-run-company-search-ai-ark/llms.txt): $0.00 per 1,000, 92% complete, 30 days
- [GetLeads, free, 1,000 credits, POST /api/v1/companies/search](https://datacircle.dev/company-discovery-apis/getleads/free-1000-credits-post-api-v1-companies-search/llms.txt): $0.00 per 1,000, 46% complete, 1 month
- [Bloomberry, free API key, GET /accounts/tech.json](https://datacircle.dev/company-discovery-apis/bloomberry/free-api-key-get-accounts-tech-json/llms.txt): $0.00 per 1,000, 54% complete, 14 days

## 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/v3/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://ares.gov.cz/stranky/developer-info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://ares.gov.cz/stranky/faq-en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://ares.gov.cz/stranky/operation-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://ares.gov.cz/swagger-ui/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://ares.gov.cz/swagger-ui/swagger-initializer.js?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing