$ composer require guzzlehttp/guzzle

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api-test.ticketbaiws.eus/lroe-critcaja-pagos/', [
  'body' => '{"ejercicio": 2023,"fecha_factura_desde": "01/06/2023","fecha_factura_hasta": "01/10/2023","pagina": 1}',
  'headers' => [
    'Accept' => 'application/json',
    'Content-Type' => 'application/json',
    'Token' => 'xxx',
    'Nif' => '00000014Z'
  ],
]);

echo $response->getBody();

$ python -m pip install requests

import requests

url = "https://api-test.ticketbaiws.eus/lroe-critcaja-pagos/"
payload = {
    "ejercicio": 2023,
    "fecha_factura_desde": "01/06/2023",
    "fecha_factura_hasta": "01/10/2023",
	"pagina": 1
}

headers = {"Accept": "application/json", "Token" : "xxx", "Nif" : "00000014Z"}
response = requests.request("GET", url, json=payload, headers=headers)

print(response.text)

CURL *hnd = curl_easy_init();

curl_easy_setopt(hnd, CURLOPT_CUSTOMREQUEST, "GET");
curl_easy_setopt(hnd, CURLOPT_URL, "https://api-test.ticketbaiws.eus/lroe-critcaja-pagos/");

struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Accept: application/json");
curl_easy_setopt(hnd, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(hnd, CURLOPT_GETFIELDS, '{"ejercicio": 2023,"fecha_factura_desde": "01/06/2023","fecha_factura_hasta": "01/10/2023","pagina": 1}');

CURLcode ret = curl_easy_perform(hnd);

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, '{"ejercicio": 2023,"fecha_factura_desde": "01/06/2023","fecha_factura_hasta": "01/10/2023","pagina": 1}');

Request request = new Request.Builder()
  .url("https://api-test.ticketbaiws.eus/lroe-critcaja-pagos/")
  .GET(body)
  .addHeader("Accept", "application/json")
  .addHeader("Token", "xxx")
  .addHeader("Nif", "00000014Z")
  .build();
  
Response response = client.newCall(request).execute();