# CNPJ API, free: Company enrichment API

> Brazilian company data. One API. Zero friction.

CNPJ API's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Employees, Headquarters.
You get up to 216,000 calls a month.
We rank 1,208 plans by price. [Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies. CNPJ API's R$99 monthly plan costs less to start than Extruct's $49 monthly plan.
[GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt), [Hunter](https://datacircle.dev/company-enrichment-apis/hunter/299-monthly/llms.txt) and [ScrapeUnblocker](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/pay-as-you-go-pay-as-you-go-post-companies-crunchbase/llms.txt) are the best company enrichment API providers in our benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/cnpj-api/free
- [Best company enrichment API in 2026: pricing compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://api.cnpj-api.com/v1/cnpj/{cnpj}`
- API key: with the plan, on https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://docs.cnpj-api.com/pt/endpoint-cnpj?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: CNPJ API (https://cnpj-api.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 15%
- Employees: ✓
- Headquarters: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Logos e Sites · Simples Nacional · Cidades

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Brazilian company data. One API. Zero friction.

## Data

- Freshness: stored
- Countries: Brazil
- Keep data: no limit
- Use data: You may use the Service only for lawful purposes and in accordance with these Terms. You agree not to use the Service in any way that violates any applicable national or international law or regulation. [...] You agree not to exceed the rate limits associated with your plan, attempt to circumvent any rate limiting or access controls, share your API tokens with unauthorized third parties, or use the API in a manner that could damage, disable, or impair the Service. [...] The data provided through the API originates from public records of the Brazilian Federal Revenue Service (Receita Federal do Brasil) and is subject to the applicable public data usage regulations.

## Plan

- Pay: R$0
- Enough for: 216,000 calls a month

## Rate limit

- Per second: 0.083
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: cnpj. Optional: formato
- Method: GET
- Path: /cnpj/{cnpj}

## About the plan

- Plan: Free
- Who can get it: anyone

## The 66 fields the plan's answer can hold

CNPJ, base CNPJ, legal name, trade name, opening date, head office, MEI status, last updated, registration status code, registration status, registration status date, registration status reason code, registration status reason, special status, special status date, registered phone type, registered phone area code, registered phone, registered emails, main activity code, main activity, secondary activity codes, secondary activities, address municipality code, street type, street, street number, address complement, neighborhood, ZIP code, state, city, country code, country, federal entity, share capital, legal nature code, legal nature, company size code, company size abbreviation, company size, Simples Nacional status, Simples Nacional opt-in date, Simples Nacional exclusion date, SIMEI status, SIMEI opt-in date, SIMEI exclusion date, partner entry date, partner ID, partner type, partner name, partner CPF or CNPJ, partner age range, partner origin country code, partner origin country, partner qualification code, partner qualification, partner legal representative ID, partner legal representative type, partner legal representative name, partner legal representative CPF or CNPJ, partner legal representative age range, partner legal representative origin country code, partner legal representative origin country, partner legal representative qualification code, partner legal representative qualification

## CNPJ API's plans (3)

- [CNPJ API, free](https://datacircle.dev/company-enrichment-apis/cnpj-api/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [CNPJ API, R$20 monthly](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-20-monthly/llms.txt): $0.0091 per 1,000, 15% complete, live
- [CNPJ API, R$99 monthly, Pro, GET /cnpj/{cnpj}](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-get-cnpj-cnpj/llms.txt): $0.005 per 1,000, 15% complete, live

## CNPJ API's calls (2)

- `GET /cnpj/{cnpj}`: [CNPJ API, free](https://datacircle.dev/company-enrichment-apis/cnpj-api/free/llms.txt)
- `POST /bulk-cnpj`: [CNPJ API, R$99 monthly, Pro, POST /bulk-cnpj](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt)

## CNPJ API's APIs (1)

- [CNPJ API: company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/cnpj-api/free/llms.txt)

## CNPJ API: company enrichment API alternatives

- [Financial Modeling Prep, $29 monthly, Starter, GET /stable/profile](https://datacircle.dev/company-enrichment-apis/financial-modeling-prep/29-monthly-starter-get-stable-profile/llms.txt): $0.0022 per 1,000, 46% complete, live
- [FetchLayer, $1,400 monthly](https://datacircle.dev/company-enrichment-apis/fetchlayer/1400-monthly/llms.txt): $0.013 per 1,000, 23% complete, live
- [Omkar Cloud, $148 monthly](https://datacircle.dev/company-enrichment-apis/omkar-cloud/148-monthly/llms.txt): $0.018 per 1,000, 31% complete, live
- [ReceitaWS, R$349 monthly](https://datacircle.dev/company-enrichment-apis/receitaws/r-349-monthly/llms.txt): $0.114 per 1,000, 31% 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://cnpj-api.com/en?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/en/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://cnpj-api.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/autenticacao.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/endpoint-cnpj.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.cnpj-api.com/pt/limites-de-uso.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing