# APICNPJ, free: Business verification API

> Digite a razão social, nome fantasia ou parte do nome no buscador. A busca retorna empresas relacionadas e permite abrir o dossiê completo do CNPJ.

APICNPJ's Starter plan for the business verification API costs $0.00 per 1,000 companies. APICNPJ's docs list 4 of the 11 fields on our checklist: Registered name, Tax ID, Status, Principal address.
We haven't run APICNPJ through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
This plan is free. We rank 1,062 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less. [See how many business verification API plans are free.](https://datacircle.dev/best-business-verification-api.txt)
[CharityAPI's $15 monthly plan](https://datacircle.dev/business-verification-apis/charityapi/15-monthly-paid-get-api-organizations-ein/llms.txt) is the cheapest paid plan per 1,000 companies. CharityAPI's plan covers companies in the United States only. CharityAPI's $15 monthly plan charges nothing per call. You get as many companies as CharityAPI's rate limit allows.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/apicnpj/free
- [Business verification API: the 13 best providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://apicnpj.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://api.apicnpj.com/v1/search`
- API key: with the plan, on https://apicnpj.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://apicnpj.com/api-docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Sold by: APICNPJ (https://apicnpj.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-07

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Consulta completa de CNPJ · Busca avançada com múltiplos filtros

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Digite a razão social, nome fantasia ou parte do nome no buscador. A busca retorna empresas relacionadas e permite abrir o dossiê completo do CNPJ.

## Data

- Freshness: stored
- Countries: Brazil
- Keep data: no limit
- Use data: Ao gerar uma exportação, o usuário confirma que irá: usar os dados apenas em contexto empresarial compatível com sua atividade, respeitar opt-out, bloqueios, descadastros e solicitações de remoção, não usar a base para fraude, spam, assédio, discriminação ou finalidade ilegal, manter controles próprios de origem, finalidade e histórico de contato.

## Plan

- Pay: R$0
- You get: 10,000 requests a month
- Enough for: 10,000 calls a month

## Rate limit

- Per second: 0.05
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: one of q or nome, User-Agent header. Optional: uf, municipio, bairro, cep, cnae, situacao, com_email, com_telefone, limit
- Method: GET
- Path: /v1/search

## About the plan

- Plan: Starter
- Who can get it: anyone

## The 18 fields the plan's answer can hold

tax ID, company name, alias, status, founded, company size, equity, street, street number, address details, district, ZIP code, city, state, phones, emails, main activity, side activities

## APICNPJ's plans (8)

- [APICNPJ, free](https://datacircle.dev/business-verification-apis/apicnpj/free/llms.txt): $0.00 per 1,000, 36% complete, stored
- [APICNPJ, R$29 monthly](https://datacircle.dev/business-verification-apis/apicnpj/r-29-monthly/llms.txt): $0.057 per 1,000, 36% complete, stored
- [APICNPJ, R$79 monthly](https://datacircle.dev/business-verification-apis/apicnpj/r-79-monthly/llms.txt): $0.031 per 1,000, 36% complete, stored
- [APICNPJ, R$149 monthly](https://datacircle.dev/business-verification-apis/apicnpj/r-149-monthly/llms.txt): $0.029 per 1,000, 36% complete, stored
- [APICNPJ, R$299 monthly](https://datacircle.dev/business-verification-apis/apicnpj/r-299-monthly/llms.txt): $0.029 per 1,000, 36% complete, stored
- [APICNPJ, R$276 yearly](https://datacircle.dev/business-verification-apis/apicnpj/r-276-yearly/llms.txt): $0.045 per 1,000, 36% complete, stored
- [APICNPJ, R$756 yearly](https://datacircle.dev/business-verification-apis/apicnpj/r-756-yearly/llms.txt): $0.025 per 1,000, 36% complete, stored
- [APICNPJ, R$2,868 yearly](https://datacircle.dev/business-verification-apis/apicnpj/r-2868-yearly/llms.txt): $0.024 per 1,000, 36% complete, stored

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

- `GET /v1/search`: [APICNPJ, free](https://datacircle.dev/business-verification-apis/apicnpj/free/llms.txt)

## APICNPJ's APIs (3)

- [APICNPJ: business verification API pricing, 8 plans](https://datacircle.dev/business-verification-apis/apicnpj/free/llms.txt)
- [APICNPJ: company discovery API pricing, 8 plans](https://datacircle.dev/company-discovery-apis/apicnpj/free/llms.txt)
- [APICNPJ: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/apicnpj/free/llms.txt)

## APICNPJ: business verification API alternatives

- [IsValid, €49 monthly, Pro, GET /v0/lei/search](https://datacircle.dev/business-verification-apis/isvalid/49-monthly-pro-get-v0-lei-search/llms.txt): $0.018 per 1,000, 27% complete, stored
- [Dato Capital, €249 monthly](https://datacircle.dev/business-verification-apis/dato-capital/249-monthly/llms.txt): $0.14 per 1,000, 64% 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
- [Leadgen Romania, €290 yearly, Business, GET /lookup_business](https://datacircle.dev/business-verification-apis/leadgen-romania/290-yearly-business-get-lookup-business/llms.txt): $0.179 per 1,000, 64% 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 2026-11-07.

- https://apicnpj.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/api-docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/api-docs/limites?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/contratar?plano=Starter&periodo=mensal&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/privacidade?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://apicnpj.com/termos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing