# CNPJa, free: Business verification API

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

CNPJa's business verification API on its Plano Gratuito plan. It costs $0.00 per 1,000 companies. It returns 4 of the 11 key fields we check: Registered name, Tax ID, Status, Principal address.
We rank 652 plans by price. [cnpjob's R$349 monthly plan](https://datacircle.dev/business-verification-apis/cnpjob/r-349-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.023. cnpjob's plan covers companies in Brazil only. cnpjob's R$349 monthly plan covers up to 3,000,000 companies a month at no extra cost.
[INSEE](https://datacircle.dev/business-verification-apis/insee/free/llms.txt), [CZ Agents](https://datacircle.dev/business-verification-apis/cz-agents/free/llms.txt) and [ARES](https://datacircle.dev/business-verification-apis/ares/free/llms.txt) are the best business verification API providers in our benchmark.

- This page: https://datacircle.dev/business-verification-apis/cnpja/free
- [Best business verification API in 2026: pricing compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://cnpja.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-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=business-verification-api-pricing
- Its API docs: https://cnpja.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#pesquisa-cnpj
- Sold by: CNPJa (https://cnpja.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-01

## In the answer

- Completeness: 36%
- Registered name: ✓
- Tax ID: ✓
- Status: ✓
- Principal address: ✓

## 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: stored
- 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: one of names.in or company.name.in, address.state.in, limit "1". Optional: status.id.in, mainActivity.id.in, head.eq, phones.ex, emails.ex, taxId.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 28 fields the plan's answer can hold

total results, next page token, results per page, tax ID, updated, alias, founded, head office, status date, status, company ID, company name, equity, legal nature, company size, municipality code, street, street number, address details, district, city, state, ZIP code, country, phones, emails, main activity, side activities

## CNPJa's plans (32)

- [CNPJa, free](https://datacircle.dev/business-verification-apis/cnpja/free/llms.txt): $0.00 per 1,000, 36% complete, stored
- [CNPJa, R$24.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-24-99-monthly/llms.txt): $0.492 per 1,000, 36% complete, stored
- [CNPJa, R$39.99 monthly, SPEED - 60 / min](https://datacircle.dev/business-verification-apis/cnpja/r-39-99-monthly-speed-60-min/llms.txt): $13.113 per 1,000, 36% complete, stored
- [CNPJa, R$39.99 monthly, BASIC - 2.500 ₪](https://datacircle.dev/business-verification-apis/cnpja/r-39-99-monthly-basic-2-500/llms.txt): $0.315 per 1,000, 36% complete, stored
- [CNPJa, R$59.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-59-99-monthly/llms.txt): $0.236 per 1,000, 36% complete, stored
- [CNPJa, R$69.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-69-99-monthly/llms.txt): $11.475 per 1,000, 36% complete, stored
- [CNPJa, R$99.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-99-99-monthly/llms.txt): $0.197 per 1,000, 36% complete, stored
- [CNPJa, R$129.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-129-99-monthly/llms.txt): $10.656 per 1,000, 36% complete, stored
- [CNPJa, R$139.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-139-99-monthly/llms.txt): $0.184 per 1,000, 36% complete, stored
- [CNPJa, R$224.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-224-99-monthly/llms.txt): $0.177 per 1,000, 36% complete, stored
- [CNPJa, R$424.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-424-99-monthly/llms.txt): $0.167 per 1,000, 36% complete, stored
- [CNPJa, R$624.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-624-99-monthly/llms.txt): $0.164 per 1,000, 36% complete, stored
- [CNPJa, R$824.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-824-99-monthly/llms.txt): $0.162 per 1,000, 36% complete, stored
- [CNPJa, R$1,219.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-1219-99-monthly/llms.txt): $0.16 per 1,000, 36% complete, stored
- [CNPJa, R$2,004.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-2004-99-monthly/llms.txt): $0.158 per 1,000, 36% complete, stored
- [CNPJa, R$3,949.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-3949-99-monthly/llms.txt): $0.155 per 1,000, 36% complete, stored
- [CNPJa, R$5,879.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-5879-99-monthly/llms.txt): $0.154 per 1,000, 36% complete, stored
- [CNPJa, R$7,799.99 monthly](https://datacircle.dev/business-verification-apis/cnpja/r-7799-99-monthly/llms.txt): $0.153 per 1,000, 36% complete, stored
- [CNPJa, R$269.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-269-89-yearly/llms.txt): $0.443 per 1,000, 36% complete, stored
- [CNPJa, R$431.89 yearly, SPEED - 60 / min (anual)](https://datacircle.dev/business-verification-apis/cnpja/r-431-89-yearly-speed-60-min-anual/llms.txt): $11.801 per 1,000, 36% complete, stored
- [CNPJa, R$431.89 yearly, BASIC - 2.500 ₪ (anual)](https://datacircle.dev/business-verification-apis/cnpja/r-431-89-yearly-basic-2-500-anual/llms.txt): $0.283 per 1,000, 36% complete, stored
- [CNPJa, R$647.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-647-89-yearly/llms.txt): $0.212 per 1,000, 36% complete, stored
- [CNPJa, R$755.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-755-89-yearly/llms.txt): $10.327 per 1,000, 36% complete, stored
- [CNPJa, R$1,079.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-1079-89-yearly/llms.txt): $0.177 per 1,000, 36% complete, stored
- [CNPJa, R$1,403.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-1403-89-yearly/llms.txt): $9.59 per 1,000, 36% complete, stored
- [CNPJa, R$1,511.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-1511-89-yearly/llms.txt): $0.165 per 1,000, 36% complete, stored
- [CNPJa, R$2,429.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-2429-89-yearly/llms.txt): $0.159 per 1,000, 36% complete, stored
- [CNPJa, R$4,589.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-4589-89-yearly/llms.txt): $0.150 per 1,000, 36% complete, stored
- [CNPJa, R$6,749.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-6749-89-yearly/llms.txt): $0.148 per 1,000, 36% complete, stored
- [CNPJa, R$8,909.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-8909-89-yearly/llms.txt): $0.146 per 1,000, 36% complete, stored
- [CNPJa, R$13,175.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-13175-89-yearly/llms.txt): $0.144 per 1,000, 36% complete, stored
- [CNPJa, R$21,653.89 yearly](https://datacircle.dev/business-verification-apis/cnpja/r-21653-89-yearly/llms.txt): $0.142 per 1,000, 36% complete, stored

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

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

## CNPJa's APIs (2)

- [CNPJa: business verification API pricing, 32 plans](https://datacircle.dev/business-verification-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: business verification API alternatives

- [Infyner, ₹60,000 pack](https://datacircle.dev/business-verification-apis/infyner/60000-pack/llms.txt): $0.632 per 1,000, 27% complete, stored
- [Prometiam, €999.90 yearly, Scale, POST /companies/lookup](https://datacircle.dev/business-verification-apis/prometiam/999-90-yearly-scale-post-companies-lookup/llms.txt): $1.875 per 1,000, 64% complete, stored
- [OpenSOSData, $1,000 monthly, Enterprise Cached, POST /v1/lookup](https://datacircle.dev/business-verification-apis/opensosdata/1000-monthly-enterprise-cached-post-v1-lookup/llms.txt): $3.14 per 1,000, 100% complete, stored
- [CompanyLens, £2,868 yearly](https://datacircle.dev/business-verification-apis/companylens/2868-yearly/llms.txt): $3.187 per 1,000, 45% 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 2026-11-01.

- https://cnpja.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cnpja.com/en/subscription/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cnpja.com/en/subscription/tos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cnpja.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://cnpja.com/subscription/about?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing