curl --request POST \
  --url https://api.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-Qbikode-UserApiKey: <api-key>' \
  --form authorization_document='@example-file' \
  --form identity_document='@example-file' \
  --form authorization_document_has_digital_signature=true

import requests

url = "https://api.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents"

files = {
    "authorization_document": ("example-file", open("example-file", "rb")),
    "identity_document": ("example-file", open("example-file", "rb"))
}
payload = { "authorization_document_has_digital_signature": "true" }
headers = {"X-Qbikode-UserApiKey": "<api-key>"}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('authorization_document', '<string>');
form.append('identity_document', '<string>');
form.append('authorization_document_has_digital_signature', 'true');

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

options.body = form;

fetch('https://api.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents', 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/clientcompanies/{companyId}/authorization-documents",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"identity_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document_has_digital_signature\"\r\n\r\ntrue\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data",
    "X-Qbikode-UserApiKey: <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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"identity_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document_has_digital_signature\"\r\n\r\ntrue\r\n-----011000010111000001101001--")

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

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

	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.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents")
  .header("X-Qbikode-UserApiKey", "<api-key>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"identity_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document_has_digital_signature\"\r\n\r\ntrue\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.kubifactu.com/api/clientcompanies/{companyId}/authorization-documents")

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

request = Net::HTTP::Post.new(url)
request["X-Qbikode-UserApiKey"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"identity_document\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"authorization_document_has_digital_signature\"\r\n\r\ntrue\r\n-----011000010111000001101001--"

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

{
  "data": {
    "message": "Documents uploaded successfully.",
    "authorization_document": "auth_20260129153045.pdf",
    "identity_document": "identity_20260129153046.jpg"
  }
}

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

{
  "data": {
    "error": {
      "message": "The given data was invalid.",
      "errors": {
        "invoice_exists": [
          "An invoice already exists with the indicated invoice number and fiscal for the provided SIF. Existing invoice ID: [9db6bb78-6799-4abb-b9a0-22d127c543ed]."
        ],
        "incorrect_total_quota": [
          "The total quota of the invoice does not match the total tax quota and equalization_tax_quota of the lines. Calculated total quota: [26.25]."
        ],
        "incorrect_total_amount": [
          "The total amount of the invoice does not match the total tax base of the lines. Calculated total amount: [151.25]."
        ]
      },
      "details": {
        "request_id": "9ded9e2c-d59e-4432-a926-652cbcfac365"
      }
    }
  }
}