curl "https://ssl.newsman.app/api/1.2/rest/your_user_id/your_api_key/download.newsletterViewed.json?list_id=your-list-id&newsletter_id=40001&start_date=2019-07-01%2010:12:15&stop_date=2019-07-01%2011:12:15"

<?php
 
// client can de downloaded from https://github.com/Newsman/newsman-api-php
require_once("Newsman/Client.php");
 
// you can get your API KEY, your newsman_user_id and list_id from My account -> API
$newsman_user_id = "your-username";
$api_key = "your-api-key";
$list_id = "your-list-id";
 
try {
	$client = new Newsman_Client($newsman_user_id, $api_key);
	$ret = $client->download->newsletterViewed(
		$list_id, /* The ID of the list that contains the newsletter for which to get the users */ 
		$newsletter_id, /*The ID of the newsletterfor which to get the users*/
		$start_date, /*The start date of the search period*/
		$stop_date /*The end date of the search period*/
	);
} catch (Exception $e) {
	//do something with the error, eg: log $e->getMessage()
}
 
return $ret;
 
?>

import newsman
 
user_id = "your_user_id"
api_key = "your_api_key"
newsletter_id = 40001
start_date = "2019-07-01 10:12:15"
stop_date = "2019-07-01 11:12:15"
 
client = newsman.Newsman(user_id, api_key)
client.download.newsletterViewed(list_id,newsletter_id,start_date,stop_date)

RESTClient client = new RESTClient("your_user_id", "your_api_key");
 
var _params = new NameValueCollection();
    _params["list_id"] = "your-list-id";
    _params["newsletter_id"] = "40001";
    _params["start_date"] = "2019-07-01 10:12:15";
    _params["stop_date"] = "2019-07-01 11:12:15";
 
var response = client.CallMethod("download", "newsletterViewed", _params);