diff --git a/src/TgBotLib/Interfaces/ObjectTypeInterface.php b/src/TgBotLib/Interfaces/ObjectTypeInterface.php
new file mode 100644
index 0000000..10e6ee1
--- /dev/null
+++ b/src/TgBotLib/Interfaces/ObjectTypeInterface.php
@@ -0,0 +1,21 @@
+<?php
+
+    namespace TgBotLib\Interfaces;
+
+    interface ObjectTypeInterface
+    {
+        /**
+         * Returns an array representation of the object
+         *
+         * @return array
+         */
+        public function toArray(): array;
+
+        /**
+         * Reconstruction of the object from an array
+         *
+         * @param array $data
+         * @return ObjectTypeInterface
+         */
+        public static function fromArray(array $data): ObjectTypeInterface;
+    }
\ No newline at end of file