# APICNPJ, free: Company discovery API

> Encontre empresas por atividade econômica, cidade, estado, segmento e filtros comerciais.

APICNPJ's Starter plan for the company discovery API costs $0.00 per 1,000 companies. APICNPJ's docs list 5 of the 13 fields on our checklist: Industry, Type and status, Employees, Headquarters, Phones.
We haven't run APICNPJ through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 966 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[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. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.
[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/apicnpj/free
- [Company discovery API: the best of 80+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://apicnpj.com/planos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-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=company-discovery-api-pricing
- Its API docs: https://apicnpj.com/api-docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: APICNPJ (https://apicnpj.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-07

## 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: 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: Encontre empresas por atividade econômica, cidade, estado, segmento e filtros comerciais.

## 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 pages a month

## Rate limit

- Per second: 0.05
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: User-Agent header. Optional: cnae, uf, municipio, bairro, cep, 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/company-discovery-apis/apicnpj/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [APICNPJ, R$29 monthly](https://datacircle.dev/company-discovery-apis/apicnpj/r-29-monthly/llms.txt): 38% complete, stored
- [APICNPJ, R$79 monthly](https://datacircle.dev/company-discovery-apis/apicnpj/r-79-monthly/llms.txt): 38% complete, stored
- [APICNPJ, R$149 monthly](https://datacircle.dev/company-discovery-apis/apicnpj/r-149-monthly/llms.txt): 38% complete, stored
- [APICNPJ, R$299 monthly](https://datacircle.dev/company-discovery-apis/apicnpj/r-299-monthly/llms.txt): 38% complete, stored
- [APICNPJ, R$276 yearly](https://datacircle.dev/company-discovery-apis/apicnpj/r-276-yearly/llms.txt): 38% complete, stored
- [APICNPJ, R$756 yearly](https://datacircle.dev/company-discovery-apis/apicnpj/r-756-yearly/llms.txt): 38% complete, stored
- [APICNPJ, R$2,868 yearly](https://datacircle.dev/company-discovery-apis/apicnpj/r-2868-yearly/llms.txt): 38% complete, stored

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

- `GET /v1/search`: [APICNPJ, free](https://datacircle.dev/company-discovery-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: 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

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