# Firmainfo, free: Company discovery API

> Sök och filtrera företag efter plats, bransch, storlek och finansiella värden.

Firmainfo's company discovery API on its 14-day free trial plan. It costs $0.00 per 1,000 companies. Firmainfo's docs list 5 of the 13 fields on our checklist: Industry, Type and status, Employees, Headquarters, Revenue and budgets.
We haven't run Firmainfo through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 899 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[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. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.
[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/firmainfo/free
- [Company discovery API: the best of 80+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://www.firmainfo.se/developers/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://firmainfo.se/api/v1/companies`
- API key: with the plan, on https://www.firmainfo.se/developers/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://www.firmainfo.se/docs/api/sok-foretag/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Firmainfo (https://firmainfo.se?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 38%
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Headquarters: ✓
- Revenue and budgets: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Most per search: 40,000

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Sök och filtrera företag efter plats, bransch, storlek och finansiella värden.

## Data

- Freshness: stored
- Countries: Sweden
- Keep data: no API terms
- Use data: Kompletta snapshots, massuttag och vidareförsäljning ingår inte i standardplanerna och kräver separat Enterprise-avtal.

## Plan

- Pay: kr0
- You get: 5,000 credits
- Enough for: 5,000 results, once
- Expires: 14 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: sort, limit, cursor, active, status, legal_form, city, county, municipality, sni, employees_class, has_financials, listed, revenue_min, revenue_max, employees_min, employees_max, registered_after, registered_before
- Method: GET
- Path: /api/v1/companies

## About the plan

- Plan: 14-day free trial
- Who can get it: anyone who applies for API access

## The 12 fields the plan's answer can hold

company ID, name, registration number, legal form, status, city, primary industry code, registration date, latest fiscal year end, revenue, profit, employees

## Firmainfo's plans (5)

- [Firmainfo, free](https://datacircle.dev/company-discovery-apis/firmainfo/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [Firmainfo, kr499 monthly](https://datacircle.dev/company-discovery-apis/firmainfo/kr499-monthly/llms.txt): $1.008 per 1,000, 38% complete, stored
- [Firmainfo, kr1,990 monthly](https://datacircle.dev/company-discovery-apis/firmainfo/kr1990-monthly/llms.txt): $0.804 per 1,000, 38% complete, stored
- [Firmainfo, kr5,990 monthly](https://datacircle.dev/company-discovery-apis/firmainfo/kr5990-monthly/llms.txt): $0.605 per 1,000, 38% complete, stored
- [Firmainfo, contact us](https://datacircle.dev/company-discovery-apis/firmainfo/contact-us/llms.txt): $0.505 per 1,000, 38% complete, stored

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

- `GET /api/v1/companies`: [Firmainfo, free](https://datacircle.dev/company-discovery-apis/firmainfo/free/llms.txt)

## Firmainfo's APIs (3)

- [Firmainfo: company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/firmainfo/free/llms.txt)
- [Firmainfo: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/firmainfo/free/llms.txt)
- [Firmainfo: company hierarchy API pricing, 5 plans, GET /api/v1/companies/{company_id}/group](https://datacircle.dev/company-hierarchy-apis/firmainfo/free-14-day-free-trial-get-api-v1-companies-company-id-group/llms.txt)
- [Firmainfo: company hierarchy API pricing, 5 plans, GET /api/v1/companies/{company_id}/subsidiaries](https://datacircle.dev/company-hierarchy-apis/firmainfo/free-14-day-free-trial-get-api-v1-companies-company-id-subsidiaries/llms.txt)

## Firmainfo: company discovery API alternatives

- [Prospeo, $2,241 yearly](https://datacircle.dev/company-discovery-apis/prospeo/2241-yearly/llms.txt): $0.498 per 1,000, 85% complete, stored
- [Perigon, $1,250 monthly](https://datacircle.dev/company-discovery-apis/perigon/1250-monthly/llms.txt): $0.50 per 1,000, 62% complete, stored
- [HSH Intelligence, $10 pack](https://datacircle.dev/company-discovery-apis/hsh-intelligence/10-pack/llms.txt): $0.50 per 1,000, 23% complete, stored
- [Signalbase, €99 monthly](https://datacircle.dev/company-discovery-apis/signalbase/99-monthly/llms.txt): $0.557 per 1,000, 54% 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 2026-11-07.

- https://firmainfo.se/api/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.firmainfo.se/developers/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.firmainfo.se/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.firmainfo.se/docs/api/sok-foretag/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.firmainfo.se/docs/autentisering/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.firmainfo.se/en/docs/api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing