# CNPJ.ws, free: Company enrichment API

> Obtenha todos os dados da empresa pelo CNPJ: Sócios, Filiais, Endereços, Simples Nacional, MEI, Inscrições estaduais e muito mais!

CNPJ.ws's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 3 of the 13 key fields we check: Employees, Headquarters, Phones.
You get up to 129,600 calls a month.
Half of the 1,062 plans we rank by price cost $11.68 per 1,000 companies or less. This plan and 8 others tie for the lowest price per 1,000 companies of the 1,062 plans.
[CNPJ.ws](https://datacircle.dev/company-enrichment-apis/cnpj-ws/free/llms.txt), [CZ Agents](https://datacircle.dev/company-enrichment-apis/cz-agents/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in our benchmark.

- This page: https://datacircle.dev/company-enrichment-apis/cnpj-ws/free
- [Best company enrichment API in 2026: pricing compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.cnpj.ws/pt-BR?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#precos
- Request: `GET https://publica.cnpj.ws/cnpj/{cnpj}`, Consulting CNPJ in the Public API
- API key: not needed
- Its API docs: https://docs.cnpj.ws/referencia-de-api/api-publica/consultando-cnpj?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: CNPJ.ws (https://www.cnpj.ws?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 23%
- Employees: ✓
- Headquarters: ✓
- Phones: ✓

## Score

- Overall score: 75.6
- Price score: 100
- Data score: 45
- Cost to get started score: 100
- Bundle score: 50
- Performance score: 100

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Validating Suframa Registration in the Public API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Obtenha todos os dados da empresa pelo CNPJ: Sócios, Filiais, Endereços, Simples Nacional, MEI, Inscrições estaduais e muito mais!

## Data

- Freshness: 45 days
- Countries: Brazil
- Keep data: no limit
- Use data: Você poderá utilizar o site desde que não faça uso de prática ilegal e ou abusivas nos termos da lei. Práticas abusivas incluem: utilizar as funcionalidades disponibilizadas com o intuito de prejudicar o bom funcionamento do site, criar múltiplos usuários, entre outros. [...] Ao realizar consultas através da API Comercial para obter dados, você concorda que qualquer atualização de dados decorrente destas consultas seja disponibilizada através da API Pública. Os dados retornados através das APIs podem ser utilizados apenas para benefício próprio do usuário, não sendo permitida qualquer comercialização através de outros sites ou qualquer outro meio.

## Plan

- Pay: $0
- Enough for: 129,600 calls a month

## Rate limit

- Per second: 0.05
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.04 s

## The call

- You send: cnpj
- Method: GET
- Path: /cnpj/{cnpj}

## About the plan

- Plan: Free
- Who can get it: anyone, with no sign-up

## The 65 fields the plan's answer can hold

CNPJ root, legal name, share capital, responsible federative entity, last updated, company size, legal nature, responsible person qualification, partner CPF or CNPJ, partner name, partner type, partner entry date, partner age range, partner country, partner qualification, partner last updated, legal representative CPF, legal representative name, legal representative qualification, Simples Nacional status, Simples Nacional opt-in date, Simples Nacional exclusion date, MEI status, MEI opt-in date, MEI exclusion date, Simples Nacional last updated, establishment CNPJ, establishment order, CNPJ check digit, establishment type, trade name, registration status, registration status date, registration status reason, special status, special status date, activity start date, main activity, secondary activities, street type, street, street number, complement, neighborhood, ZIP code, city, city IBGE ID, state, state abbreviation, country, country ISO code, foreign city name, phone area code, phone, second phone area code, second phone, fax area code, fax, email, establishment last updated, state registration, state registration active, state registration state, state registration last updated, data omission note

## CNPJ.ws's plans (5)

- [CNPJ.ws, free](https://datacircle.dev/company-enrichment-apis/cnpj-ws/free/llms.txt): $0.00 per 1,000, 23% complete, 45 days
- [CNPJ.ws, contact us, Advanced, GET /cnpj-raiz/{cnpj-raiz}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-advanced-get-cnpj-raiz-cnpj-raiz/llms.txt): 0% complete, 45 days
- [CNPJ.ws, contact us, Basic, GET /cnpj-raiz/{cnpj-raiz}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-basic-get-cnpj-raiz-cnpj-raiz/llms.txt): 0% complete, 45 days
- [CNPJ.ws, contact us, Intermediate, GET /cnpj-raiz/{cnpj-raiz}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-intermediate-get-cnpj-raiz-cnpj-raiz/llms.txt): 0% complete, 45 days
- [CNPJ.ws, contact us, Premium, GET /cnpj-raiz/{cnpj-raiz}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-premium-get-cnpj-raiz-cnpj-raiz/llms.txt): 0% complete, 45 days

## CNPJ.ws's calls for this API (3)

- `GET /cnpj/{cnpj}`, Consulting CNPJ in the Public API: [CNPJ.ws, free](https://datacircle.dev/company-enrichment-apis/cnpj-ws/free/llms.txt)
- `GET /cnpj-raiz/{cnpj-raiz}`: [CNPJ.ws, contact us, Advanced, GET /cnpj-raiz/{cnpj-raiz}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-advanced-get-cnpj-raiz-cnpj-raiz/llms.txt)
- `GET /cnpj/{cnpj}`, Consulting CNPJ in the Commercial API: [CNPJ.ws, contact us, Advanced, GET /cnpj/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-ws/contact-us-advanced-get-cnpj-cnpj/llms.txt)

## CNPJ.ws's APIs (2)

- [CNPJ.ws: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/cnpj-ws/free/llms.txt)
- [CNPJ.ws: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/cnpj-ws/contact-us/llms.txt)

## CNPJ.ws: company enrichment API alternatives

- [INSEE, free, Accès public, GET /siret/{siret}](https://datacircle.dev/company-enrichment-apis/insee/free-acces-public-get-siret-siret/llms.txt): $0.00 per 1,000, 31% complete, 24 hours
- [ScrapeUnblocker, free, POST /companies/crunchbase](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/free-free-post-companies-crunchbase/llms.txt): $0.00 per 1,000, 85% complete, live
- [MillionPhones, free](https://datacircle.dev/company-enrichment-apis/millionphones/free/llms.txt): $0.00 per 1,000, 31% complete, 1 month
- [GetLeads, free](https://datacircle.dev/company-enrichment-apis/getleads/free/llms.txt): $0.00 per 1,000, 46% complete, 1 month

## 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://docs.cnpj.ws/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj.ws/en/modelos-de-dados/estabelecimentos?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj.ws/en/modelos-de-dados/inscricoes-estaduais?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj.ws/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj.ws/referencia-de-api/api-publica/consultando-cnpj?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj.ws/referencia-de-api/api-publica/limitacoes?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.cnpj.ws/pt-BR?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.cnpj.ws/termos-de-uso?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing