# DadosAPI, free: Company discovery API

> Monte listas de empresas a partir de filtros de segmento, região, porte e situação cadastral. A API percorre mais de 55 milhões de estabelecimentos e devolve o resultado paginado em JSON, já com cadastro, endereço, contatos e sócios.

DadosAPI's Primeiras consultas grátis plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. DadosAPI's docs list 5: Industry, Type and status, Employees, Headquarters, Phones.
We haven't run DadosAPI through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 1,165 plans for company discovery APIs by price. Half the plans cost $0.525 or less per 1,000 companies. [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. [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. 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/dadosapi/free
- [Company discovery API: the best of 100+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://dadosapi.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `POST https://api.dadosapi.com/dados-empresas/busca-empresas`
- API key: with the plan, on https://dadosapi.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://dadosapi.com/dados-empresas/busca-empresas?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: DadosAPI (https://dadosapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Enriquecimento de CNPJ · Certidões de Empresa · Compliance e KYC · Processos Judiciais · Protestos Nacional (IEPTB) · Dívida Ativa da União (PGFN) · Certidão Negativa Correcional CGU · Marcas e Patentes (INPI) · Exposição na Mídia · Reviews e Reputação de Empresa · Mercado Financeiro · Nota Fiscal Eletrônica (NFe) · Reviews e Avaliações de Produtos · Editais e Licitações · Contratos Públicos · Diário Oficial da União (DOU)

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Monte listas de empresas a partir de filtros de segmento, região, porte e situação cadastral. A API percorre mais de 55 milhões de estabelecimentos e devolve o resultado paginado em JSON, já com cadastro, endereço, contatos e sócios.

## Data

- Freshness: stored
- Countries: Brazil
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 10 requests
- Enough for: 10 results, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: cnae, uf, municipio, porte, situacao_cadastral, somente_com_contato, abertura_apos, pagina, por_pagina
- Method: POST
- Path: /dados-empresas/busca-empresas

## About the plan

- Plan: Primeiras consultas grátis
- Who can get it: anyone

## The 22 fields the plan's answer can hold

total results, page, page size, tax ID, legal name, trade name, status, founded date, size, share capital, main activity ID, main activity, street, street number, district, city, state, ZIP code, phone number, email address, member name, member role

## DadosAPI's plans (6)

- [DadosAPI, free](https://datacircle.dev/company-discovery-apis/dadosapi/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [DadosAPI, top-up from R$100](https://datacircle.dev/company-discovery-apis/dadosapi/top-up-from-r-100/llms.txt): $373.806 per 1,000, 38% complete, stored
- [DadosAPI, R$379 monthly](https://datacircle.dev/company-discovery-apis/dadosapi/r-379-monthly/llms.txt): $298.258 per 1,000, 38% complete, stored
- [DadosAPI, R$599 monthly](https://datacircle.dev/company-discovery-apis/dadosapi/r-599-monthly/llms.txt): $117.847 per 1,000, 38% complete, stored
- [DadosAPI, R$979 monthly](https://datacircle.dev/company-discovery-apis/dadosapi/r-979-monthly/llms.txt): $77.043 per 1,000, 38% complete, stored
- [DadosAPI, contact us](https://datacircle.dev/company-discovery-apis/dadosapi/contact-us/llms.txt): 38% complete, stored

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

- `POST /dados-empresas/busca-empresas`: [DadosAPI, free](https://datacircle.dev/company-discovery-apis/dadosapi/free/llms.txt)

## DadosAPI's APIs (2)

- [DadosAPI: company discovery API pricing, 6 plans](https://datacircle.dev/company-discovery-apis/dadosapi/free/llms.txt)
- [DadosAPI: company enrichment API pricing, 6 plans](https://datacircle.dev/company-enrichment-apis/dadosapi/free/llms.txt)

## DadosAPI: company discovery API alternatives

- [Coresignal, $1,000 monthly, Growth, GET /v2/company_multi_source/collect/{company_id}, Collect: Company API](https://datacircle.dev/company-discovery-apis/coresignal/1000-monthly-growth-get-v2-company-multi-source-collect-company-id-collect-company-api/llms.txt): $66.667 per 1,000, 100% complete, stored
- [Instantly, $77 monthly, Growth credits 2, POST /api/v2/supersearch-enrichment/company-lists, Create a company list build, TheirStack](https://datacircle.dev/company-discovery-apis/instantly/77-monthly-growth-credits-2-post-api-v2-supersearch-enrichment-company-lists-create-a-company-list-build-theirstack/llms.txt): $77.00 per 1,000, 62% complete, stored
- [The Swarm, $199 monthly, Premium 150, POST /v3/companies/fetch](https://datacircle.dev/company-discovery-apis/the-swarm/199-monthly-premium-150-post-v3-companies-fetch/llms.txt): $79.60 per 1,000, 77% complete, stored
- [Milquery, pay as you go](https://datacircle.dev/company-discovery-apis/milquery/pay-as-you-go/llms.txt): $80.00 per 1,000, 15% 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 2026-11-08.

- https://dadosapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/dados-empresas/busca-empresas?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/dados-publicos/consulta-veiculo-por-placa?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://dadosapi.com/termos-de-uso?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing