curl --request GET \
  --url https://api.kubifactu.com/api/invoicing/invoices/{invoiceId} \
  --header 'X-Qbikode-ClientApiKey: <api-key>'

import requests

url = "https://api.kubifactu.com/api/invoicing/invoices/{invoiceId}"

headers = {"X-Qbikode-ClientApiKey": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-Qbikode-ClientApiKey': '<api-key>'}};

fetch('https://api.kubifactu.com/api/invoicing/invoices/{invoiceId}', 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.kubifactu.com/api/invoicing/invoices/{invoiceId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-Qbikode-ClientApiKey: <api-key>"
  ],
]);

$response = curl_exec($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.kubifactu.com/api/invoicing/invoices/{invoiceId}"

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

	req.Header.Add("X-Qbikode-ClientApiKey", "<api-key>")

	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.kubifactu.com/api/invoicing/invoices/{invoiceId}")
  .header("X-Qbikode-ClientApiKey", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.kubifactu.com/api/invoicing/invoices/{invoiceId}")

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

request = Net::HTTP::Get.new(url)
request["X-Qbikode-ClientApiKey"] = '<api-key>'

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "request_id": "2cc8ef846029ec69613711ad1d85f6dfebf16ffb",
    "sif_id": "0995C42C-6708-44FB-BFBF-B363A5FE873E",
    "fiscal_year": 123,
    "full_invoice_number": "<string>",
    "created_at": "2025-09-15T07:35:24.992854Z",
    "fingerprint": "<string>",
    "csv": "<string>",
    "has_warnings": false,
    "vf_error_descriptions": "<string>",
    "next_request_waiting_time": 123,
    "next_request_datetime": "1977-04-22T06:00:00Z",
    "qr_value": "<string>",
    "qr_image_url": "<string>",
    "xml_url": "<string>",
    "vf_response_body": "aSDinaTvuI8gbWludGxpZnk="
  }
}

{
  "data": {
    "error": {
      "code": "E-UNAUTH-APIKEY",
      "message": "No client with API-KEY '5tVySMGJOpq8HfMgIX28Qz6kF0dFOoq37x55PLZcWsGeGeYkNgJyAcRTlFJ5NbVoDRm8qtCywEoiN3A9JkBanMBXYmxiqR3BItxgxx' was found.",
      "http_code": 403,
      "errors": null,
      "details": {
        "request_id": "2cc8ef846029ec69613711ad1d85f6dfebf16ffb"
      }
    }
  }
}