diff --git a/entity_clone.api.php b/entity_clone.api.php
new file mode 100644
index 0000000..a52b258
--- /dev/null
+++ b/entity_clone.api.php
@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * @file
+ * Entity Clone hooks and events.
+ */
+
+/**
+ * Event subscribers for Entity Clone.
+ *
+ * Service definition for my_module.services.yml:
+ * <code>
+ * ```yaml
+ *  my_module.my_event_subscriber:
+ *    class: Drupal\my_module\EventSubscriber\MyEntityCloneEventSubscriber
+ *    tags:
+ *     - { name: event_subscriber }
+ * ```
+ * </code>
+ *
+ * Code for src/EventSubscriber/MyEntityCloneEventSubscriber.php
+ * <code>
+ * <?php
+ * namespace Drupal\my_module\EventSubscriber;
+ * ?>
+ * </code>
+ */
+class MyEntityCloneEventSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface {
+
+  /**
+   * An example event subscriber.
+   *
+   * Dispatched before an entity is cloned and saved.
+   *
+   * @see \Drupal\entity_clone\Event\EntityCloneEvents::PRE_CLONE
+   */
+  public function myPreClone(\Drupal\entity_clone\Event\EntityCloneEvent $event): void {
+    $original = $event->getEntity();
+    $newEntity = $event->getClonedEntity();
+  }
+
+  /**
+   * An example event subscriber.
+   *
+   * Dispatched after an entity is cloned and saved.
+   *
+   * @see \Drupal\entity_clone\Event\EntityCloneEvents::POST_CLONE
+   */
+  public function myPostClone(\Drupal\entity_clone\Event\EntityCloneEvent $event): void {
+    $original = $event->getEntity();
+    $newEntity = $event->getClonedEntity();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents(): array {
+    $events[\Drupal\entity_clone\Event\EntityCloneEvents::PRE_CLONE][] = ['myPreClone'];
+    $events[\Drupal\entity_clone\Event\EntityCloneEvents::POST_CLONE][] = ['myPostClone'];
+    return $events;
+  }
+
+}