curl --request GET \
  --url https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies

import requests

url = "https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies', 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://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies"

	req, _ := http.NewRequest("GET", url, nil)

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.registry.v2.portao3.com.br/realms/{realmId}/organizations/{organizationId}/companies")

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

request = Net::HTTP::Get.new(url)

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

{
  "items": [
    {
      "_id": "11222333000181",
      "document": "11222333000181",
      "companyDocument": "11222333",
      "branchNumber": "0001",
      "branchType": "HEADQUARTERS",
      "status": "ACTIVE",
      "refDate": "2026-08",
      "tradingName": "EXEMPLO MERCADO",
      "statusDate": "2015-03-12T00:00:00.000Z",
      "statusReason": "00",
      "specialStatus": "RECUPERACAO JUDICIAL",
      "specialStatusDate": "2022-06-01T00:00:00.000Z",
      "foundingDate": "2015-03-12T00:00:00.000Z",
      "mainActivity": "4712100",
      "secondaryActivities": [
        "4721102"
      ],
      "email": "contato@exemplo.com.br",
      "phoneNumber": "+551133334444",
      "secondaryPhoneNumber": "+551155556666",
      "fax": "+551177778888",
      "address": {
        "street": "AVENIDA PAULISTA",
        "number": "1578",
        "complement": "ANDAR 3",
        "neighborhood": "BELA VISTA",
        "city": "SAO PAULO",
        "cityCode": "7107",
        "state": "SP",
        "postalCode": "01310200"
      },
      "foreignCity": "LISBOA",
      "country": "PT",
      "countryCode": "607",
      "legalName": "EXEMPLO COMERCIO DE ALIMENTOS LTDA",
      "legalNature": "2062",
      "size": "SMALL",
      "capital": 50000000,
      "responsibleQualification": "49",
      "federativeEntity": "UNIAO",
      "shareholders": [
        {
          "documentType": "CPF",
          "name": "MARIA DA SILVA",
          "document": "***123456**",
          "qualification": "49",
          "joinedAt": "2015-03-12T00:00:00.000Z",
          "country": "US",
          "countryCode": "249",
          "ageRange": "5",
          "legalRepresentative": {
            "document": "***123456**",
            "name": "JOAO PEREIRA DA SILVA",
            "qualification": "17"
          }
        }
      ],
      "simples": {
        "optIn": true,
        "optInDate": "2016-01-01T00:00:00.000Z",
        "optOutDate": "2020-12-31T00:00:00.000Z"
      },
      "mei": {
        "optIn": true,
        "optInDate": "2016-01-01T00:00:00.000Z",
        "optOutDate": "2020-12-31T00:00:00.000Z"
      },
      "createdAt": "2026-07-14T09:00:00.000Z",
      "updatedAt": "2026-08-18T09:00:00.000Z"
    }
  ],
  "next": "MTEyMjIzMzMwMDAxODE"
}

{
  "traceId": "1-68ee2a1b-3c4d5e6f7a8b9c0d1e2f3a4b",
  "code": "BAD_REQUEST",
  "origin": "REGISTRY",
  "message": "Bad Request: Your request is invalid or incomplete. Please make sure you are requesting with the right fields.",
  "fields": [
    {
      "field": "legalName",
      "message": "Too big: expected string to have <=120 characters",
      "code": "LEGALNAME_MAX"
    }
  ]
}