curl "https://ssl.newsman.app/api/1.2/rest/your_user_id/your_api_key/coupons.importCouponCodes.json?list_id=my_list_id&coupon_id=my_coupon_id&codes[0]=THECODE1&codes[1]=THECODE2&codes[2]=THECODE3&codes[3]=THECODE4&codes[4]=THECODE5"

<?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";
$coupon_id = "the_coupon_id";
$codes = array("THECODE1", "THECODE2", "THECODE3", "THECODE4", "THECODE5");
 
try {
	$client = new Newsman_Client($newsman_user_id, $api_key);
	$ret = $client->coupons->importCouponCodes($list_id, $coupon_id, $codes);
} 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"
list_id = "your-list-id"
coupon_id = "my-coupon-id"
coupon_codes = ["THECODE1", "THECODE2", "THECODE3", "THECODE4", "THECODE5"]
 
client = newsman.Newsman(user_id, api_key)
client.coupons.importCouponCodes(list_id, coupon_id, coupon_codes)

RESTClient client = new RESTClient("your_user_id", "your_api_key");
 
var _params = new NameValueCollection();
    _params["list_id"] = "your-list-id";
    _params["coupon_id"] = "the_coupon_id";   
    _params["codes[0]"] = "THECODE1";
    _params["codes[1]"] = "THECODE2";
    _params["codes[2]"] = "THECODE3";
    _params["codes[3]"] = "THECODE4";
    _params["codes[4]"] = "THECODE5"; 
 
var response = client.CallMethod("coupons", "importCouponCodes", _params);