curl --request POST \
  --url https://data.proteodata.com.br/v1/query/cnpj-basic \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "document": "11222333000181"
}
'

import requests

url = "https://data.proteodata.com.br/v1/query/cnpj-basic"

payload = { "document": "11222333000181" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({document: '11222333000181'})
};

fetch('https://data.proteodata.com.br/v1/query/cnpj-basic', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://data.proteodata.com.br/v1/query/cnpj-basic",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'document' => '11222333000181'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://data.proteodata.com.br/v1/query/cnpj-basic"

	payload := strings.NewReader("{\n  \"document\": \"11222333000181\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://data.proteodata.com.br/v1/query/cnpj-basic")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"document\": \"11222333000181\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://data.proteodata.com.br/v1/query/cnpj-basic")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"document\": \"11222333000181\"\n}"

response = http.request(request)
puts response.read_body

{
  "data": {
    "MatchKeys": "doc{12***890001**}",
    "BasicData": {
      "TaxIdNumber": "12***890001**",
      "TaxIdCountry": "Brazil",
      "AlternativeIdNumbers": {},
      "OfficialName": "EMPRESA *** SOLUCOES LTDA",
      "TradeName": "EMPRESA ***",
      "Aliases": {
        "UnstandardizedRFOfficialName": "EMPRESA *** SOLUCOES LTDA",
        "UnstandardizedRFTradeName": "EMPRESA ***"
      },
      "NameUniquenessScore": 1,
      "OfficialNameUniquenessScore": 1,
      "TradeNameUniquenessScore": -1,
      "FoundedDate": "2023-07-18T00:00:00Z",
      "Age": 3,
      "IsHeadquarter": true,
      "HeadquarterState": "PR",
      "IsConglomerate": false,
      "TaxIdStatus": "ATIVA",
      "TaxIdStatusReason": "",
      "TaxIdOrigin": "Receita Federal",
      "TaxIdStatusDate": "2026-03-20T00:00:00Z",
      "TaxIdStatusRegistrationDate": "2023-07-18T00:00:00Z",
      "TaxRegime": "SIMPLES",
      "CompanyType_ReceitaFederal": "ME",
      "TaxRegimes": {
        "Simples": true
      },
      "Activities": [
        {
          "IsMain": true,
          "Code": "6201501",
          "Activity": "DESENVOLVIMENTO DE PROGRAMAS DE COMPUTADOR SOB ENCOMENDA",
          "ActivityDivision": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityGroup": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityClass": "DESENVOLVIMENTO DE PROGRAMAS DE COMPUTADOR SOB ENCOMENDA"
        },
        {
          "IsMain": false,
          "Code": "6202300",
          "Activity": "DESENVOLVIMENTO E LICENCIAMENTO DE PROGRAMAS DE COMPUTADOR CUSTOMIZAVEIS",
          "ActivityDivision": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityGroup": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityClass": "DESENVOLVIMENTO E LICENCIAMENTO DE PROGRAMAS DE COMPUTADOR CUSTOMIZAVEIS"
        },
        {
          "IsMain": false,
          "Code": "6204000",
          "Activity": "CONSULTORIA EM TECNOLOGIA DA INFORMACAO",
          "ActivityDivision": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityGroup": "ATIVIDADES DOS SERVICOS DE TECNOLOGIA DA INFORMACAO",
          "ActivityClass": "CONSULTORIA EM TECNOLOGIA DA INFORMACAO"
        }
      ],
      "LegalNature": {
        "Code": "2062",
        "Activity": "SOCIEDADE EMPRESARIA LIMITADA"
      },
      "SpecialSituation": "",
      "CreationDate": "2023-07-19T00:00:00Z",
      "LastUpdateDate": "2026-03-20T00:00:00Z",
      "AdditionalOutputData": {
        "Capital": "CINQUENTA MIL REAIS",
        "CapitalRS": "50000.00",
        "NIRE": "",
        "NIRECompanySize": "",
        "NIREHeadquartersType": "",
        "NIREHeadquartersCapital": "0",
        "NIRELastCaptureDate": "0001-01-01T12:00:00Z",
        "COMEX": "",
        "COMEXLastUpdate": "0001-01-01T12:00:00Z"
      },
      "HistoricalData": {
        "HasChangedTradeName": false,
        "HasChangedTaxRegime": true,
        "HistoricalDataEvolution": {
          "TradeName": [
            {
              "Value": "EMPRESA ***",
              "StartDate": "2023-07-19T00:00:00Z"
            }
          ],
          "TaxRegime": [
            {
              "Value": "SIMPLES",
              "StartDate": "2023-07-01T00:00:00Z"
            },
            {
              "Value": "LTDA",
              "StartDate": "2023-07-19T00:00:00Z",
              "EndDate": "2023-07-01T00:00:00Z"
            }
          ]
        }
      }
    }
  },
  "meta": {
    "chargedCredits": "0.044800",
    "product": "cnpj-basic",
    "queryId": "c6f34ca8-186b-4e35-b9f7-f4542fd2d3f2"
  }
}

{
  "error": "<string>",
  "message": "<string>"
}

{
  "error": "<string>",
  "message": "<string>"
}

{
  "error": "<string>",
  "message": "<string>"
}

{
  "error": "<string>",
  "message": "<string>"
}

{
  "error": "<string>",
  "message": "<string>"
}

{
  "error": "<string>",
  "message": "<string>"
}