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BrasilAPI — CNPJ

Company registration data for a Brazilian CNPJ number.
Status
Working
API key
Not needed
Browser calls
Runs in the browser
Latency
198 ms
Docs
brasilapi.com.br ↗

Build snapshot, not live. One verifier run on , from the machine that built this site. How we check

Example request

GEThttps://brasilapi.com.br/api/cnpj/v1/00000000000191

Sent from your browser straight to brasilapi.com.br. No proxy: this site never sees the request or the answer.

Copy the request

Shell
curl -s 'https://brasilapi.com.br/api/cnpj/v1/00000000000191'

Response stored by the verifier

This is what brasilapi.com.br answered when the verifier sent the request above on : HTTP 200, application/json. Arrays are cut to two items and long strings are shortened. It comes from the build snapshot.

application/json · stored
{
  "uf": "DF",
  "cep": "70040912",
  "qsa": [
    {
      "pais": null,
      "nome_socio": "ALAN CARLOS GUEDES DE OLIVEIRA",
      "codigo_pais": null,
      "faixa_etaria": "Entre 41 a 50 anos",
      "cnpj_cpf_do_socio": "***550179**",
      "qualificacao_socio": "Diretor",
      "codigo_faixa_etaria": 5,
      "data_entrada_sociedade": "2023-05-17",
      "identificador_de_socio": 2,
      "cpf_representante_legal": "***000000**",
      "nome_representante_legal": "",
      "codigo_qualificacao_socio": 10,
      "qualificacao_representante_legal": "Não informada",
      "codigo_qualificacao_representante_legal": 0
    },
    {
      "pais": null,
      "nome_socio": "ALBERTO MARTINHAGO VIEIRA",
      "codigo_pais": null,
      "faixa_etaria": "Entre 41 a 50 anos",
      "cnpj_cpf_do_socio": "***842999**",
      "qualificacao_socio": "Diretor",
      "codigo_faixa_etaria": 5,
      "data_entrada_sociedade": "2023-07-20",
      "identificador_de_socio": 2,
      "cpf_representante_legal": "***000000**",
      "nome_representante_legal": "",
      "codigo_qualificacao_socio": 10,
      "qualificacao_representante_legal": "Não informada",
      "codigo_qualificacao_representante_
…

Availability

Up 1 of 1 day checked · 30-day window

What counts as up for this API: an answer within five seconds, a 2xx status, and the JSON body must contain the field "razao_social".

Last check: — passed, HTTP 200 in 198 ms.

The check runs from our infrastructure, not from where you are. If you need certainty, send the request yourself above. How the verifier works.

Used in these collections

Questions

Does the BrasilAPI — CNPJ need an API key?

No. The sample request on this page was answered without a key, token or account.

Can I call the BrasilAPI — CNPJ from the browser?

Yes. brasilapi.com.br answered our verifier with an Access-Control-Allow-Origin header on Oct 3, 2026, so a fetch call from a web page can read the response.

Is the BrasilAPI — CNPJ working?

At the check on Oct 3, 2026 it returned HTTP 200 with the expected data in 198 ms. The status at the top of this page shows the most recent result we have.

What is the BrasilAPI — CNPJ good for?

Company registration data for a Brazilian CNPJ number. It is part of our collection "Free APIs for Brazilian data": Company name, status and address from the federal registry.