# bolsai, free: Company discovery API

> Lista todas as empresas registradas, com suporte a filtros por setor, status e busca por nome.

bolsai's company discovery API on its Grátis plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Industry, Type and status.
We haven't run bolsai through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 771 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less.
[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: as little as $0.0000015. StackScan's $189 monthly plan covers up to 259,200 pages a month at no extra cost. Each page holds 500,000 companies.
[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/bolsai/free
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://usebolsai.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#pricing
- Request: `GET https://api.usebolsai.com/api/v1/companies`
- API key: with the plan, on https://usebolsai.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#pricing
- Its API docs: https://usebolsai.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#list-companies
- Sold by: bolsai (https://usebolsai.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-05

## In the answer

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

## Price

- $ per 1,000 companies: $0.00
- Per: page of 500
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: List Sectors · Get Company · List Tickers · Stock Quote · Stock Stats · Get Fundamentals · List Fiis · Get Fii Fundamentals · List Bonds

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Lista todas as empresas registradas, com suporte a filtros por setor, status e busca por nome.

## Data

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

## Plan

- Pay: R$0
- You get: 200 requests a day
- Enough for: 200 pages a day

## Rate limit

- Per day: 200

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: sector, status, search, limit, offset
- Method: GET
- Path: /companies

## About the plan

- Plan: Grátis
- Who can get it: anyone with a Google account

## The 8 fields the plan's answer can hold

CVM code, CNPJ, corporate name, trade name, primary ticker, sector, status, total results

## bolsai's plans (5)

- [bolsai, free](https://datacircle.dev/company-discovery-apis/bolsai/free/llms.txt): $0.00 per 1,000, 15% complete
- [bolsai, R$49 monthly](https://datacircle.dev/company-discovery-apis/bolsai/r-49-monthly/llms.txt): $0.000064 per 1,000, 15% complete
- [bolsai, R$129 quarterly](https://datacircle.dev/company-discovery-apis/bolsai/r-129-quarterly/llms.txt): $0.000056 per 1,000, 15% complete
- [bolsai, R$499 yearly](https://datacircle.dev/company-discovery-apis/bolsai/r-499-yearly/llms.txt): $0.000054 per 1,000, 15% complete
- [bolsai, contact us](https://datacircle.dev/company-discovery-apis/bolsai/contact-us/llms.txt): 15% complete

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

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

## bolsai's APIs (2)

- [bolsai: company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/bolsai/free/llms.txt)
- [bolsai: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/bolsai/free/llms.txt)

## bolsai: company discovery API alternatives

- [Cleanlist, $804 yearly](https://datacircle.dev/company-discovery-apis/cleanlist/804-yearly/llms.txt): $0.000052 per 1,000, 54% complete
- [PublicWWW, $499 monthly, Enterprise, GET /v1/search](https://datacircle.dev/company-discovery-apis/publicwww/499-monthly-enterprise-get-v1-search/llms.txt): $0.000055 per 1,000, 0% complete
- [Hunter, $150 yearly, Data Platform, 3,000 Search credits, POST /discover](https://datacircle.dev/company-discovery-apis/hunter/150-yearly-data-platform-3000-search-credits-post-discover/llms.txt): $0.000058 per 1,000, 54% complete, stored
- [The Swarm, $1,990 yearly, Premium 150, POST /v3/companies/search](https://datacircle.dev/company-discovery-apis/the-swarm/1990-yearly-premium-150-post-v3-companies-search/llms.txt): $0.000064 per 1,000, 0% 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 2026-11-05.

- https://api.usebolsai.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://usebolsai.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://usebolsai.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing