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

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

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

import requests

url = "https://api.filexpress.app/api/external/sales"

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/sales",
  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;
}

{
  "status": true,
  "data": {
    "data": [
      {
        "sale_id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
        "generation_code": "6F1E2D3C-8A4B-4C5D-9E6F-0A1B2C3D4E5F",
        "control_number": "DTE-01-M001P001-000000000000001",
        "document_type": "fc",
        "status": "PROCESADO",
        "issue_time": "2026-10-01T10:30:00-06:00",
        "payment_status": "payed",
        "is_credit": false,
        "nullified": false,
        "customer": {
          "id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
          "name": "Razón Social S.A. de C.V."
        },
        "totals": {
          "sale_total": 22.6,
          "sale_to_payment": 22.6
        }
      }
    ],
    "pagination": {
      "current_page": 1,
      "last_page": 1,
      "per_page": 100,
      "total": 1
    }
  }
}

{
  "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": "Branch not found"
}

{
  "status": false,
  "message": "The date range cannot exceed 93 days."
}

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