diff --git a/api/index.php b/api/index.php
index 128c074..a84534f 100644
--- a/api/index.php
+++ b/api/index.php
@@ -1,10 +1,10 @@
 <?php
 // /api/index.php
-// Optional: zentrale Config laden (wenn du magst)
 
 declare(strict_types=1);
-$apibasedir = $_SERVER['DOCUMENT_ROOT'];
-require $apibasedir. '/../config/fileload.php';
+
+$apibasedir = $_SERVER['DOCUMENT_ROOT']; // bei dir: /.../projects/usbcheck/staging/api
+require $apibasedir . '/../config/fileload.php';
 
 // Basis-Header (CORS, JSON)
 header('Content-Type: application/json; charset=utf-8');
@@ -41,12 +41,18 @@ if ($path === '/') {
 
 // Routing nach Bereich
 if (str_starts_with($path, '/v1/')) {
-    require_once $apibasedir.'/router/router.v1.php';
+    // alles hinter /v1/ in Segmente zerlegen
+    $rel = substr($path, strlen('/v1/'));  // z.B. "browser.quick.test" oder "quickcheck" oder "foo/bar"
+    $rel = ltrim($rel, '/');
+    $segments = $rel === '' ? [] : explode('/', $rel);
+
+    require_once $apibasedir . '/router/router.v1.php';
+    router_v1_dispatch($segments);
     exit;
 }
 
 if (str_starts_with($path, '/internal/')) {
-    require_once $apibasedir. '/router/router.internal.php';
+    require_once $apibasedir . '/router/router.internal.php';
     exit;
 }
 
diff --git a/api/router/router.v1.php b/api/router/router.v1.php
index 857fc78..1a6a359 100644
--- a/api/router/router.v1.php
+++ b/api/router/router.v1.php
@@ -6,16 +6,19 @@ declare(strict_types=1);
 /**
  * Router für /v1/...
  *
- * Wird von /api/index.php aufgerufen:
- *   router_v1_dispatch($segments, $apibasedir)
+ * Wird von /api/index.php so aufgerufen:
+ *   router_v1_dispatch($segments)
  *
  * $segments[0] ist dann z.B. "browser.quick.test" oder "quickcheck"
- *
- * $apibasedir ist der Pfad auf /api (also das Root des API-Vhosts).
  */
 
-function router_v1_dispatch(array $segments, string $apibasedir): void
+// Basisverzeichnis der API ermitteln (…/api)
+$apibasedir = dirname(__DIR__);
+
+function router_v1_dispatch(array $segments): void
 {
+    global $apibasedir;
+
     if (empty($segments[0])) {
         http_response_code(404);
         echo json_encode([
@@ -73,7 +76,6 @@ function router_v1_dispatch(array $segments, string $apibasedir): void
     try {
         $result = $handler();
 
-        // Falls der Handler mal kein Array zurückgibt
         if (!is_array($result)) {
             $result = [
                 'ok'      => false,
@@ -83,7 +85,6 @@ function router_v1_dispatch(array $segments, string $apibasedir): void
             ];
         }
 
-        // HTTP-Status aus Ergebnis ableiten (optional)
         if (isset($result['ok']) && $result['ok'] === false) {
             if (!http_response_code()) {
                 http_response_code(400);