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

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

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

import requests

url = "https://api.filexpress.app/api/external/cash-registers/current"

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/cash-registers/current",
  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": {
    "id": "9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11",
    "branch_id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
    "status": "open",
    "cashier": {
      "id": "3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01",
      "name": "Ana Martínez"
    },
    "opening_date": "2026-10-06T08:00:00-06:00",
    "closing_date": null,
    "opening_amount": 100,
    "declared_amount": null,
    "difference_amount": null,
    "total_sales": null,
    "total_cash_sales": null,
    "total_card_sales": null,
    "total_other_sales": null,
    "total_expenses": null,
    "total_other_incomes": null,
    "notes": null,
    "opened_by": "API: Mi POS",
    "closed_by": null,
    "summary": {
      "total_sales": 410,
      "total_cash": 215,
      "total_card": 180,
      "total_other": 15,
      "total_expenses": 20,
      "more_income": 0,
      "sales_count": 37,
      "cash_movements": 1,
      "expected_cash": 295
    }
  }
}

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