diff --git a/src/Service/BrancherApp.php b/src/Service/BrancherApp.php
index ae5b62f..94a238e 100644
--- a/src/Service/BrancherApp.php
+++ b/src/Service/BrancherApp.php
@@ -10,18 +10,19 @@
 class BrancherApp extends AbstractService
 {
     /**
-     * Create an brancher app for given parent app.
+     * Create a brancher app for given parent app.
      *
      * @param string $app Name of the parent app
+     * @param array|null $data Extra data to be provided
      * @return string Name of the brancher app
      * @throws HypernodeApiClientException
      * @throws HypernodeApiServerException
      */
-    public function create(string $app): string
+    public function create(string $app, ?array $data = null): string
     {
         $url = sprintf(App::V2_APP_BRANCHER_URL, $app);
 
-        $response = $this->client->api->post($url);
+        $response = $this->client->api->post($url, [], $data ? json_encode($data) : null);
 
         $this->client->maybeThrowApiExceptions($response);
 
diff --git a/tests/unit/Service/BrancherAppTest.php b/tests/unit/Service/BrancherAppTest.php
index 6a8e9c2..36d9461 100644
--- a/tests/unit/Service/BrancherAppTest.php
+++ b/tests/unit/Service/BrancherAppTest.php
@@ -29,6 +29,32 @@ public function testCreateBrancherApp()
         $this->assertEquals('johndoe-eph123456', $brancherAppName);
     }
 
+    public function testCreateBrancherAppWithData()
+    {
+        $this->responses->append(
+            new Response(200, [], json_encode([
+                'name' => 'johndoe-eph123456',
+                'parent' => 'johndoe',
+                'type' => 'brancher',
+            ])),
+        );
+
+        $brancherAppName = $this->client->brancherApp->create(
+            'johndoe',
+            ['labels' => ['mybranchernode', 'mylabel=myvalue']]
+        );
+
+        $request = $this->responses->getLastRequest();
+        $this->assertEquals('POST', $request->getMethod());
+        $this->assertEquals('/v2/app/johndoe/brancher/', $request->getUri());
+        $this->assertEquals('johndoe-eph123456', $brancherAppName);
+        $this->assertJson((string)$request->getBody());
+        $this->assertEquals(
+            ['labels' => ['mybranchernode', 'mylabel=myvalue']],
+            json_decode((string)$request->getBody(), true)
+        );
+    }
+
     public function testCreateBrancherAppRaisesClientExceptions()
     {
         $badRequestResponse = new Response(400, [], json_encode([