diff --git a/Source/API/script/Gateway/GatewayAdmin.php b/Source/API/script/Gateway/GatewayAdmin.php
new file mode 100644
index 0000000..c1b3363
--- /dev/null
+++ b/Source/API/script/Gateway/GatewayAdmin.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace API\script\Gateway;
+
+use API\script\Config\Connection;
+use PDO;
+
+class GatewayAdmin
+{
+    private Connection $connection;
+
+    public function __construct()
+    {
+        $this->connection = connect();
+    }
+
+    public function addAdmin(string $login, string $hash): void
+    {
+        $query = "INSERT INTO Admin(login, hash) VALUES(:login, :hash)";
+        $this->connection->executeQuery($query, array(
+            ':login' => array($login, PDO::PARAM_STR),
+            ':hash' => array($hash, PDO::PARAM_STR)
+        ));
+    }
+
+    public function getPassword(string $login): array
+    {
+        $query = 'SELECT Hash FROM Admin WHERE Login = :login';
+
+        $this->connection->executeQuery($query, array(
+            ':login' => array($login, PDO::PARAM_STR)
+        ));
+
+        $results=$this->con->getResults();
+        return $results;
+    }
+
+    public function changePassword(string $login, string $hash): void
+    {
+        $query = "UPDATE Admin SET hash = :hash WHERE login = :login";
+        $this->connection->executeQuery($query, array(
+            ':login' => array($login, PDO::PARAM_STR),
+            ':hash' => array($hash, PDO::PARAM_STR)
+        ));
+    }
+
+    public function deleteAdmin(string $login): void
+    {
+        $query = "DELETE FROM Admin WHERE login = :login";
+        $this->connection->executeQuery($query, array(
+            ':login' => array($login, PDO::PARAM_STR)
+        ));
+    }
+}
\ No newline at end of file