diff --git a/api/auth.php b/api/auth.php
index 242a7f4..5d171de 100644
--- a/api/auth.php
+++ b/api/auth.php
@@ -1,4 +1,15 @@
 <?php
+// Autoriser les requêtes depuis n'importe quelle origine
+header("Access-Control-Allow-Origin: *"); 
+header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");
+header("Access-Control-Allow-Headers: Content-Type, Authorization, X-Requested-With");
+
+// Répondre immédiatement aux requêtes preflight OPTIONS
+if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
+    http_response_code(200);
+    exit();
+}
+
 require_once 'config.php';
 
 $method = $_SERVER['REQUEST_METHOD'];