curl --request POST \
  --url https://api.base39.com.br/v2/queries \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "dataset": "empresas",
  "params": {
    "doc": "<string>"
  },
  "asOfDate": "2024-01-31",
  "mock": true,
  "requestId": "req_123",
  "targetDocument": "57778216000108",
  "cache": true
}
'

import requests

url = "https://api.base39.com.br/v2/queries"

payload = {
    "dataset": "empresas",
    "params": { "doc": "<string>" },
    "asOfDate": "2024-01-31",
    "mock": True,
    "requestId": "req_123",
    "targetDocument": "57778216000108",
    "cache": True
}
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({
    dataset: 'empresas',
    params: {doc: '<string>'},
    asOfDate: '2024-01-31',
    mock: true,
    requestId: 'req_123',
    targetDocument: '57778216000108',
    cache: true
  })
};

fetch('https://api.base39.com.br/v2/queries', 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.base39.com.br/v2/queries",
  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([
    'dataset' => 'empresas',
    'params' => [
        'doc' => '<string>'
    ],
    'asOfDate' => '2024-01-31',
    'mock' => true,
    'requestId' => 'req_123',
    'targetDocument' => '57778216000108',
    'cache' => true
  ]),
  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://api.base39.com.br/v2/queries"

	payload := strings.NewReader("{\n  \"dataset\": \"empresas\",\n  \"params\": {\n    \"doc\": \"<string>\"\n  },\n  \"asOfDate\": \"2024-01-31\",\n  \"mock\": true,\n  \"requestId\": \"req_123\",\n  \"targetDocument\": \"57778216000108\",\n  \"cache\": true\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://api.base39.com.br/v2/queries")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"dataset\": \"empresas\",\n  \"params\": {\n    \"doc\": \"<string>\"\n  },\n  \"asOfDate\": \"2024-01-31\",\n  \"mock\": true,\n  \"requestId\": \"req_123\",\n  \"targetDocument\": \"57778216000108\",\n  \"cache\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.base39.com.br/v2/queries")

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  \"dataset\": \"empresas\",\n  \"params\": {\n    \"doc\": \"<string>\"\n  },\n  \"asOfDate\": \"2024-01-31\",\n  \"mock\": true,\n  \"requestId\": \"req_123\",\n  \"targetDocument\": \"57778216000108\",\n  \"cache\": true\n}"

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

{
  "object": "query",
  "status": "success",
  "dataset": {
    "object": "dataset",
    "id": "<string>",
    "slug": "<string>",
    "name": "<string>",
    "description": "<string>",
    "cost": 123,
    "upstreams": [
      {
        "object": "page",
        "id": "p_abc123",
        "createdAt": "2024-01-15T10:30:00.000Z",
        "updatedAt": "2024-01-15T14:45:00.000Z",
        "name": "Federal Revenue",
        "description": "<string>",
        "logo": "<string>",
        "slug": "federal-revenue",
        "country": "BR",
        "type": "<string>",
        "url": "<string>",
        "createdBy": {
          "object": "user",
          "id": "u_abc123",
          "apiKeyId": "bsk_abc123"
        },
        "updatedBy": {
          "object": "user",
          "id": "u_abc123",
          "apiKeyId": "bsk_abc123"
        },
        "featured": true
      }
    ]
  },
  "asOfDate": "2025-11-21",
  "createdAt": "2025-11-21T19:00:00.000Z",
  "isMock": false,
  "cacheStatus": "hit",
  "results": [
    {}
  ],
  "rawParams": {},
  "id": "qry_abc123",
  "provider": {
    "object": "provider",
    "id": "<string>",
    "slug": "<string>",
    "name": "<string>"
  },
  "createdBy": {
    "object": "user",
    "id": "usr_abc123",
    "apiKeyId": "bsk_abc123"
  },
  "requestId": "<string>",
  "summary": "<string>",
  "attempts": 123,
  "duration": 123,
  "errorMessage": "<string>",
  "cost": 123,
  "affectedCanonicalTargets": [
    {
      "type": "domain",
      "domain": "serasa",
      "certificate": "fgts",
      "sanction": "ceis",
      "endpoint": "entitiesGetScr"
    }
  ],
  "rawResponseProvider": [
    {}
  ],
  "parent": {
    "type": "dataset_query_id",
    "dataset_query_id": "qry_parent123",
    "company_id": "cmp_123",
    "person_id": "12345678909"
  }
}

{
  "object": "error",
  "status": 502,
  "code": "upstream_error",
  "message": "Upstream provider returned an error",
  "request_id": "req_abc123",
  "dataset": "scr",
  "query_id": "qry_abc123"
}