curl --request GET \
  --url https://api.filexpress.app/api/external/customers/{id} \
  --header 'X-API-Key: <api-key>'

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

fetch('https://api.filexpress.app/api/external/customers/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.filexpress.app/api/external/customers/{id}"

headers = {"X-API-Key": "<api-key>"}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.filexpress.app/api/external/customers/{id}",
  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-API-Key: <api-key>"
  ],
]);

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

curl_close($curl);

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

{
  "success": true,
  "data": {
    "id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "customer_name": "Juan Pérez",
    "legal_name": "Juan Antonio Pérez García",
    "register_number": "12345-6",
    "tax_number": "0614-000101-000-0",
    "document_type": "13",
    "document_number": "00000000-0",
    "address": "Col. San Benito, Av. La Revolución #123",
    "country_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "state_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "city_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "activity_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "phone": "7777-1234",
    "email": "juan@example.com",
    "business_type": "natural"
  },
  "message": "Data retrieved successfully."
}

{
  "status": false,
  "message": "Invalid API Key."
}

{
  "status": false,
  "message": "This integration does not have the 'hr.employees' permission.",
  "required_scope": "hr.employees"
}

{
  "status": false,
  "message": "Not found."
}

{
  "status": false,
  "message": "Rate limit exceeded. Please try again later.",
  "rate_limit": 100
}