Magic quotes may be ON so we need to stripslashes in that case.

plugins/restapi.php

@@ -14,6 +14,23 @@ class restapi extends phplistPlugin {
     function restapi() {
       parent::phplistplugin();
       $this->coderoot = dirname(__FILE__) . '/restapi/';
+      // Need to find a better time to strip slashes. This is already done for the web interface in storemessage.php
+      // recursively strip slashes from an array
+      function stripslashes_r($array) {
+      	foreach ($array as $key => $value) {
+      		$array[$key] = is_array($value) ?
+      		stripslashes_r($value) :
+      		stripslashes($value);
+      	}
+      	return $array;
+      }
+
+      if (get_magic_quotes_gpc()) {
+      	$_GET     = stripslashes_r($_GET);
+      	$_POST    = stripslashes_r($_POST);
+      	$_COOKIE  = stripslashes_r($_COOKIE);
+      	$_REQUEST = stripslashes_r($_REQUEST);
+      }
     }
 
     function adminmenu() {