# CNPJa, free: Company discovery API

> A pesquisa permite encontrar estabelecimentos a partir de filtros, sendo ideal para prospecção e segmentação de mercado.

CNPJa's company discovery API on its Plano Gratuito plan. It costs $0.00 per 1,000 companies. It returns 4 of the 13 key fields we check: Type and status, Employees, Headquarters, Phones.
We rank 659 plans by price. [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 to start 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 [Skrapp](https://datacircle.dev/company-discovery-apis/skrapp/349-monthly/llms.txt) are the best company discovery API providers in our benchmark.

- This page: https://datacircle.dev/company-discovery-apis/cnpja/free
- [Best company discovery API in 2026: pricing compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://cnpja.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://api.cnpja.com/office`
- API key: with the plan, on https://cnpja.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://cnpja.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing#pesquisa-cnpj
- Sold by: CNPJa (https://cnpja.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 31%
- 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: Consulta CNPJ · Receita Federal · Receita Federal (Comprovante) · Simples Nacional · Simples Nacional (Histórico) · Simples Nacional (Comprovante) · Cadastro de Contribuintes · Cadastro de Contribuintes (Comprovante) · SINTEGRA · SUFRAMA · SUFRAMA (Comprovante) · Geocodificação · Mapa Aéreo · Visão da Rua · Pesquisa Pessoas · Consulta em Massa

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: A pesquisa permite encontrar estabelecimentos a partir de filtros, sendo ideal para prospecção e segmentação de mercado.

## Data

- Freshness: 30 days
- Countries: Brazil
- Keep data: no limit
- Use data: It is forbidden to use the API to recreate services, platforms, or similar products that directly compete with CNPJá. It is prohibited to use the Platform for any illegal purpose or in violation of third-party rights. It is prohibited to develop scripts or automations that overload the service infrastructure, as well as any other uses not explicitly authorized by CNPJá. [...] By using the Platform, the user agrees to comply with all applicable laws and regulations in Brazil, including but not limited to the LGPD (General Data Protection Law), the Consumer Protection Code (Código de Defesa do Consumidor), and other rules related to data processing, marketing, and privacy. Users who access and use third-party data through the Platform are fully responsible for ensuring compliance with the LGPD, particularly if the information is used for marketing, commercial prospecting, or any other purposes involving the processing of personal data. [...] All content provided on the Platform, including but not limited to text, images, code, layout, and databases, is the exclusive property of CNPJá or third parties who have granted us a license. Any reproduction or distribution without express authorization is forbidden.

## Plan

- Pay: R$0
- You get: 50 credits a month
- Enough for: 500 results a month
- Expires: unused credits carry over to the next month, up to 1 monthly refill of the plan, while the subscription stays active, if it is not renewed, the remaining credits expire at the end of the last paid cycle

## Rate limit

- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: token, limit, names.in, names.nin, company.name.in, company.name.nin, company.equity.gte, company.equity.lte, company.nature.id.in, company.nature.id.nin, company.size.id.in, company.simples.optant.eq, company.simples.since.gte, company.simples.since.lte, company.simei.optant.eq, company.simei.since.gte, company.simei.since.lte, taxId.nin, alias.in, alias.nin, founded.gte, founded.lte, head.eq, statusDate.gte, statusDate.lte, status.id.in, reason.id.in, specialDate.gte, specialDate.lte, special.id.in, address.municipality.in, address.municipality.nin, address.street.in, address.street.nin, address.number.in, address.number.nin, address.details.in, address.details.nin, address.district.in, address.district.nin, address.state.in, address.zip.in, address.zip.gte, address.zip.lte, address.country.id.in, address.country.id.nin, phones.ex, phones.type.in, phones.area.in, phones.area.nin, phones.area.gte, phones.area.lte, phones.number.in, phones.number.nin, emails.ex, emails.ownership.in, emails.address.in, emails.address.nin, emails.domain.in, emails.domain.nin, activities.id.in, activities.id.nin, mainActivity.id.in, mainActivity.id.nin, sideActivities.id.in, sideActivities.id.nin
- Method: GET
- Path: /office

## About the plan

- Plan: Plano Gratuito
- Who can get it: anyone: "Any individual or legal entity may create an account on the Platform."

## The 39 fields the plan's answer can hold

total results, next page token, results per page, tax ID, updated, company ID, company name, responsible federative entity, equity, legal nature, company size, Simples Nacional optant, Simples Nacional since, MEI optant, MEI since, members, alias, founded, head office, status date, status, status reason, special situation date, special situation, municipality code, street, street number, district, city, state, address details, ZIP code, latitude, longitude, country, phones, emails, main activity, side activities

## CNPJa's plans (32)

- [CNPJa, free](https://datacircle.dev/company-discovery-apis/cnpja/free/llms.txt): $0.00 per 1,000, 31% complete, 30 days
- [CNPJa, R$24.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-24-99-monthly/llms.txt): $0.492 per 1,000, 31% complete, 30 days
- [CNPJa, R$39.99 monthly, SPEED - 60 / min](https://datacircle.dev/company-discovery-apis/cnpja/r-39-99-monthly-speed-60-min/llms.txt): $13.113 per 1,000, 31% complete, 30 days
- [CNPJa, R$39.99 monthly, BASIC - 2.500 ₪](https://datacircle.dev/company-discovery-apis/cnpja/r-39-99-monthly-basic-2-500/llms.txt): $0.315 per 1,000, 31% complete, 30 days
- [CNPJa, R$59.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-59-99-monthly/llms.txt): $0.236 per 1,000, 31% complete, 30 days
- [CNPJa, R$69.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-69-99-monthly/llms.txt): $11.475 per 1,000, 31% complete, 30 days
- [CNPJa, R$99.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-99-99-monthly/llms.txt): $0.197 per 1,000, 31% complete, 30 days
- [CNPJa, R$129.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-129-99-monthly/llms.txt): $10.656 per 1,000, 31% complete, 30 days
- [CNPJa, R$139.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-139-99-monthly/llms.txt): $0.184 per 1,000, 31% complete, 30 days
- [CNPJa, R$224.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-224-99-monthly/llms.txt): $0.177 per 1,000, 31% complete, 30 days
- [CNPJa, R$424.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-424-99-monthly/llms.txt): $0.167 per 1,000, 31% complete, 30 days
- [CNPJa, R$624.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-624-99-monthly/llms.txt): $0.164 per 1,000, 31% complete, 30 days
- [CNPJa, R$824.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-824-99-monthly/llms.txt): $0.162 per 1,000, 31% complete, 30 days
- [CNPJa, R$1,219.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-1219-99-monthly/llms.txt): $0.16 per 1,000, 31% complete, 30 days
- [CNPJa, R$2,004.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-2004-99-monthly/llms.txt): $0.158 per 1,000, 31% complete, 30 days
- [CNPJa, R$3,949.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-3949-99-monthly/llms.txt): $0.155 per 1,000, 31% complete, 30 days
- [CNPJa, R$5,879.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-5879-99-monthly/llms.txt): $0.154 per 1,000, 31% complete, 30 days
- [CNPJa, R$7,799.99 monthly](https://datacircle.dev/company-discovery-apis/cnpja/r-7799-99-monthly/llms.txt): $0.153 per 1,000, 31% complete, 30 days
- [CNPJa, R$269.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-269-89-yearly/llms.txt): $0.443 per 1,000, 31% complete, 30 days
- [CNPJa, R$431.89 yearly, SPEED - 60 / min (anual)](https://datacircle.dev/company-discovery-apis/cnpja/r-431-89-yearly-speed-60-min-anual/llms.txt): $11.801 per 1,000, 31% complete, 30 days
- [CNPJa, R$431.89 yearly, BASIC - 2.500 ₪ (anual)](https://datacircle.dev/company-discovery-apis/cnpja/r-431-89-yearly-basic-2-500-anual/llms.txt): $0.283 per 1,000, 31% complete, 30 days
- [CNPJa, R$647.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-647-89-yearly/llms.txt): $0.212 per 1,000, 31% complete, 30 days
- [CNPJa, R$755.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-755-89-yearly/llms.txt): $10.327 per 1,000, 31% complete, 30 days
- [CNPJa, R$1,079.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-1079-89-yearly/llms.txt): $0.177 per 1,000, 31% complete, 30 days
- [CNPJa, R$1,403.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-1403-89-yearly/llms.txt): $9.59 per 1,000, 31% complete, 30 days
- [CNPJa, R$1,511.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-1511-89-yearly/llms.txt): $0.165 per 1,000, 31% complete, 30 days
- [CNPJa, R$2,429.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-2429-89-yearly/llms.txt): $0.159 per 1,000, 31% complete, 30 days
- [CNPJa, R$4,589.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-4589-89-yearly/llms.txt): $0.150 per 1,000, 31% complete, 30 days
- [CNPJa, R$6,749.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-6749-89-yearly/llms.txt): $0.148 per 1,000, 31% complete, 30 days
- [CNPJa, R$8,909.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-8909-89-yearly/llms.txt): $0.146 per 1,000, 31% complete, 30 days
- [CNPJa, R$13,175.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-13175-89-yearly/llms.txt): $0.144 per 1,000, 31% complete, 30 days
- [CNPJa, R$21,653.89 yearly](https://datacircle.dev/company-discovery-apis/cnpja/r-21653-89-yearly/llms.txt): $0.142 per 1,000, 31% complete, 30 days

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

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

## CNPJa's APIs (3)

- [CNPJa: business verification API pricing, 32 plans](https://datacircle.dev/business-verification-apis/cnpja/free/llms.txt)
- [CNPJa: company discovery API pricing, 32 plans](https://datacircle.dev/company-discovery-apis/cnpja/free/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /office/{taxId}, Consulta CNPJ](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-office-taxid-consulta-cnpj/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /office/{taxId}, Consulta CNPJ (cache)](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-office-taxid-consulta-cnpj-cache/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /office/{taxId}, Consulta CNPJ, full](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-office-taxid-consulta-cnpj-full/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /company/{companyId}](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-company-companyid/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /rfb, Receita Federal](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-rfb-receita-federal/llms.txt)
- [CNPJa: company enrichment API pricing, 32 plans, GET /rfb, Receita Federal (cache)](https://datacircle.dev/company-enrichment-apis/cnpja/free-plano-gratuito-get-rfb-receita-federal-cache/llms.txt)

## CNPJa: company discovery API alternatives

- [Snov.io, $1,701 yearly](https://datacircle.dev/company-discovery-apis/snov-io/1701-yearly/llms.txt): $0.142 per 1,000, 38% complete, 1 month
- [Tomba, $2,499 monthly](https://datacircle.dev/company-discovery-apis/tomba/2499-monthly/llms.txt): $0.143 per 1,000, 54% complete, 1 month
- [overheid.io, €1,300 yearly](https://datacircle.dev/company-discovery-apis/overheid-io/1300-yearly/llms.txt): $0.146 per 1,000, 23% complete, 1 day (street, house number, postal code, city, country, mailing address: 1 week)
- [HasData, $59 monthly](https://datacircle.dev/company-discovery-apis/hasdata/59-monthly/llms.txt): $0.147 per 1,000, 8% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

- https://api.cnpja.com/docs/json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://cnpja.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://cnpja.com/en/subscription/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://cnpja.com/en/subscription/tos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://cnpja.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://cnpja.com/subscription/about?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing