diff --git a/lib/yform/value/thumbnailws.php b/lib/yform/value/thumbnailws.php
new file mode 100644
index 0000000..b0093ec
--- /dev/null
+++ b/lib/yform/value/thumbnailws.php
@@ -0,0 +1,38 @@
+<?php
+
+class rex_yform_value_thumbnailws extends rex_yform_action_abstract
+{
+    public function postFormAction(): void
+    {
+        $sourceField = $this->getElement(1);
+        $sourceUrl = $this->params['value_pool']['email'][$sourceField];
+        $targetField = $this->getElement(2);
+        $apiKey = $this->getElement(3);
+        $query['url'] = $sourceUrl;
+        $apiUrl = "https://api.thumbnail.ws/api/$apiKey/thumbnail/get?" . http_build_query($query);
+
+        dump($sourceField, $targetField, $apiKey, $apiUrl);
+
+        try {
+            $socket = rex_socket::factoryUrl($apiUrl);
+            $response = $socket->doGet();
+
+            if (!$response->isOk()) {
+                dump($response, 'Fehler bei der API-Anfrage.');
+            }
+
+            $result = $response->getBody();
+            $response = json_decode($result, true);
+
+            dump($response);
+            $this->params['value_pool']['email'][$targetField] = json_encode($response);
+        } catch (rex_socket_exception $e) {
+            dump('Fehler bei der API-Anfrage: ' . $e->getMessage());
+        }
+    }
+
+    public function getDescription(): string
+    {
+        return 'action|thumbnailws|source_url_field|target_field|api_key';
+    }
+}