<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://yourapp.com?uuid=F8A3-A88E-C6EF-B1CB&timestamp=1683788339&hmac=CIaGf7Ely0ykfBOi94hEPUAacyaHmjB4oZHc0JMVLMM=',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'GET',
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;

import http.client

conn = http.client.HTTPSConnection("yourapp.com")
payload = ''
headers = {}
conn.request("GET", "/?uuid=F8A3-A88E-C6EF-B1CB&timestamp=1683788339&hmac=CIaGf7Ely0ykfBOi94hEPUAacyaHmjB4oZHc0JMVLMM=", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))

Unirest.setTimeouts(0, 0);
HttpResponse<String> response = Unirest.get("https://yourapp.com?uuid=F8A3-A88E-C6EF-B1CB&timestamp=1683788339&hmac=CIaGf7Ely0ykfBOi94hEPUAacyaHmjB4oZHc0JMVLMM%3D")
  .asString();

var options = new RestClientOptions("")
{
MaxTimeout = -1,
};
var client = new RestClient(options);
var request = new RestRequest("https://yourapp.com?uuid=F8A3-...;, Method.Get);
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);