# ORSF, free: Company discovery API

> Fulltext search over company names + IČO fast-path (numeric query → direct lookup).

ORSF's Free plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. ORSF's docs list 3: Industry, Type and status, Headquarters.
We haven't run ORSF through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 1,345 plans for company discovery APIs by price. Half the plans cost $0.45 or less per 1,000 companies. [649 company discovery API plans on our price sheet are free.](https://datacircle.dev/best-company-discovery-api.txt) [AdLibrarySpy's free plan](https://datacircle.dev/company-discovery-apis/adlibraryspy/free/llms.txt) scores highest of the free plans in our benchmark, at 67.3 out of 100.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies, with no charge per call. You get as many companies as StackScan's rate limit allows. [Seltz's pay-as-you-go plan](https://datacircle.dev/company-discovery-apis/seltz/pay-as-you-go-pay-as-you-go-post-v1-search-search-base/llms.txt) costs the least for 10,000 companies a month: $0.03.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies, and 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/orsf/free
- [Company discovery API in 2026: the best of 100+ compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://orsf.sk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.orsf.sk/v1/search`
- API key: not needed
- Its API docs: https://api.orsf.sk/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#/paths/~1v1~1search/get
- Sold by: ORSF (https://orsf.sk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 23%
- Industry: ✓
- Type and status: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 50
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Most per search: 1,050
- Also pays for: IČO autofill lookup — minimal payload

## Not found

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

## In their words

- Their pitch: Fulltext search over company names + IČO fast-path (numeric query → direct lookup).

## Data

- Freshness: stored
- Countries: Slovakia
- Keep data: no limit
- Use data: CC-BY 4.0: attribute ORSF and cite the source register (RPO/RUZ/ORSR/FS). Its AUP (Slovak, translated), "The Service must NOT be used for": stalking or harassing a natural person, doxxing (publishing statutory representatives' addresses outside a business context), discrimination in hiring, housing or insurance based on data from the Service, mass-mailing or cold-call campaigns on contacts obtained from the Service, automated scraping beyond the published API rate limit, bypassing the rate limit through IP rotation or several accounts, reverse-engineering or bypassing authentication, denial-of-service attacks, selling data to third parties without a written agreement with the operator, building a competing service on its data, public republishing of whole datasets, any use that breaks Slovak or European law, money laundering, terrorist financing, or processing in breach of the GDPR.

## Plan

- Pay: €0
- You get: 500 requests a month
- Enough for: 500 pages a month

## Rate limit

- Per second: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: q, limit, offset, kind, legalForm, register, status, region, isVatPayer, establishedYearMin, establishedYearMax
- Method: GET
- Path: /v1/search

## About the plan

- Plan: Free
- Who can get it: anyone

## The 16 fields the plan's answer can hold

national ID, company name, VAT ID, legal form, entity kind, register, status, industry code, region, city, established year, VAT payer, facet counts, total results, search mode, processing time

## ORSF's plans (10)

- [ORSF, free](https://datacircle.dev/company-discovery-apis/orsf/free/llms.txt): $0.00 per 1,000, 23% complete, stored
- [ORSF, €7 monthly](https://datacircle.dev/company-discovery-apis/orsf/7-monthly/llms.txt): $0.032 per 1,000, 23% complete, stored
- [ORSF, €19 monthly](https://datacircle.dev/company-discovery-apis/orsf/19-monthly/llms.txt): $0.0086 per 1,000, 23% complete, stored
- [ORSF, €49 monthly](https://datacircle.dev/company-discovery-apis/orsf/49-monthly/llms.txt): no limit, 23% complete, stored
- [ORSF, €149 monthly](https://datacircle.dev/company-discovery-apis/orsf/149-monthly/llms.txt): no limit, 23% complete, stored
- [ORSF, €70 yearly](https://datacircle.dev/company-discovery-apis/orsf/70-yearly/llms.txt): $0.026 per 1,000, 23% complete, stored
- [ORSF, €190 yearly](https://datacircle.dev/company-discovery-apis/orsf/190-yearly/llms.txt): $0.0071 per 1,000, 23% complete, stored
- [ORSF, €490 yearly](https://datacircle.dev/company-discovery-apis/orsf/490-yearly/llms.txt): no limit, 23% complete, stored
- [ORSF, €1,490 yearly](https://datacircle.dev/company-discovery-apis/orsf/1490-yearly/llms.txt): no limit, 23% complete, stored
- [ORSF, contact us](https://datacircle.dev/company-discovery-apis/orsf/contact-us/llms.txt): 23% complete, stored

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

- `GET /v1/search`: [ORSF, free](https://datacircle.dev/company-discovery-apis/orsf/free/llms.txt)

## ORSF's APIs (2)

- [ORSF Company discovery API pricing, 10 plans](https://datacircle.dev/company-discovery-apis/orsf/free/llms.txt)
- [ORSF Company enrichment API pricing, 10 plans, POST /v1/lookup/batch](https://datacircle.dev/company-enrichment-apis/orsf/free-post-v1-lookup-batch/llms.txt)
- [ORSF Company enrichment API pricing, 10 plans, GET /v1/companies/{ico}](https://datacircle.dev/company-enrichment-apis/orsf/free-get-v1-companies-ico/llms.txt)
- [ORSF Company enrichment API pricing, 10 plans, GET /v1/lookup/{ico}](https://datacircle.dev/company-enrichment-apis/orsf/free-get-v1-lookup-ico/llms.txt)

## ORSF: company discovery API alternatives

[ORSF alternatives: other company discovery API providers by price](https://datacircle.dev/orsf-alternatives.txt)

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

- [ORSF, €190 yearly](https://datacircle.dev/company-discovery-apis/orsf/190-yearly/llms.txt): $0.0071 per 1,000, 23% complete, stored
- [Leadgen Romania, €9 monthly, Pro, GET /lookup_by_category](https://datacircle.dev/company-discovery-apis/leadgen-romania/9-monthly-pro-get-lookup-by-category/llms.txt): $0.0068 per 1,000, 38% complete, stored
- [TechnologyChecker, $890 yearly, Pro, GET /v1/signals/{type}](https://datacircle.dev/company-discovery-apis/technologychecker/890-yearly-pro-get-v1-signals-type/llms.txt): $0.0074 per 1,000, 38% complete, stored
- [AppstoreSpy, $948 yearly, Pro, GET /ios/developers](https://datacircle.dev/company-discovery-apis/appstorespy/948-yearly-pro-get-ios-developers/llms.txt): $0.0079 per 1,000, 23% complete, stored
- [StartupHub.ai, $500 yearly](https://datacircle.dev/company-discovery-apis/startuphub-ai/500-yearly/llms.txt): $0.0083 per 1,000, 46% complete, stored

## Sources

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

- https://api.orsf.sk/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://orsf.sk/en/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://orsf.sk/en/legal/aup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://orsf.sk/en/legal/tos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://orsf.sk/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing