# Brasil.IO, free: Company discovery API

> Quadros societários e de administradores das pessoas jurídicas brasileiras.

Brasil.IO's API token plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Brasil.IO's docs list 5: Industry, Type and status, Employees, Headquarters, Phones.
Brasil.IO limits how many pages you get but gives no number.
We haven't run Brasil.IO through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
We rank 1,326 plans for company discovery APIs by price. Half the plans cost $0.498 or less per 1,000 companies. This plan and 200 others tie for the lowest price per 1,000 companies of the 1,326 plans. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[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/brasil-io/free
- [Company discovery API in 2026: the best of 100+ compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://blog.brasil.io/2020/10/31/nossa-api-sera-obrigatoriamente-autenticada/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://blog.brasil.io/2020/10/31/nossa-api-sera-obrigatoriamente-autenticada/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://blog.brasil.io/2020/10/31/nossa-api-sera-obrigatoriamente-autenticada/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Brasil.IO (https://brasil.io?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: page, size not stated
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

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

## In their words

- Their pitch: Quadros societários e de administradores das pessoas jurídicas brasileiras.

## Data

- Countries: Brazil
- Keep data: no limit
- Use data: A licença do código é LGPL3 e dos dados convertidos Creative Commons Attribution ShareAlike. Caso utilize os dados, cite a fonte original e quem tratou os dados, como: Fonte: Receita Federal do Brasil, dados tratados por Álvaro Justen/Brasil.IO. Caso compartilhe os dados, utilize a mesma licença.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: API token
- Who can get it: anyone who signs up on brasil.io and confirms their email

## The 31 fields the plan's answer can hold

CNPJ, head office or branch, legal name, trade name, registration status, registration status date, registration status reason, foreign city name, legal nature code, activity start date, main CNAE, street type, street, street number, address complement, neighborhood, ZIP code, state, municipality code, municipality, phones, fax, responsible person qualification, share capital, company size, Simples Nacional option, Simples Nacional option date, Simples Nacional exclusion date, MEI option, special situation, special situation date

## Brasil.IO's plans (1)

- [Brasil.IO, free](https://datacircle.dev/company-discovery-apis/brasil-io/free/llms.txt): $0.00 per 1,000, 38% complete

## Brasil.IO's calls (1)

- Docs behind sign-up: [Brasil.IO, free](https://datacircle.dev/company-discovery-apis/brasil-io/free/llms.txt)

## Brasil.IO's APIs (2)

- [Brasil.IO: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/brasil-io/free/llms.txt)
- [Brasil.IO: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/brasil-io/free/llms.txt)

## Brasil.IO: company discovery API alternatives

- [GetProspect, free](https://datacircle.dev/company-discovery-apis/getprospect/free/llms.txt): $0.00 per 1,000, 62% complete, stored
- [Hunter, free, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/free-post-discover/llms.txt): $0.00 per 1,000, 54% complete, stored
- [PeopleSearch.im, free](https://datacircle.dev/company-discovery-apis/peoplesearch-im/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [AnVendor, free, POST /v1/leads/search](https://datacircle.dev/company-discovery-apis/anvendor/free-post-v1-leads-search/llms.txt): $0.00 per 1,000, 23% complete, stored
- [ARES, free](https://datacircle.dev/company-discovery-apis/ares/free/llms.txt): $0.00 per 1,000, 15% 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 2026-11-08.

- https://api.brasil.io/v1/dataset/socios-brasil/empresas/data/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://blog.brasil.io/2020/10/31/nossa-api-sera-obrigatoriamente-autenticada/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://brasil.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://brasil.io/dataset/socios-brasil/empresas?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://github.com/turicas/socios-brasil?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://raw.githubusercontent.com/turicas/socios-brasil/master/schema/empresa.csv?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing