...

api/api.php

@@ -6,6 +6,10 @@ error_reporting(E_ALL);
 class spamhasiApi {
     private $api_keys;
 
+    function __construct() {
+        header("Content-Type: application/json");
+    }
+
     public function getConf() {
         $env = parse_ini_file(__DIR__ . "/../.env");
         return $env;