diff --git a/src/Api/AbstractApi.php b/src/Api/AbstractApi.php
index dcfdd5f..f6cfc09 100644
--- a/src/Api/AbstractApi.php
+++ b/src/Api/AbstractApi.php
@@ -20,8 +20,8 @@ abstract class AbstractApi
      * @param T $session
      */
     public function __construct(
-        private IPayClient $client,
-        private SessionInterface $session,
+        protected IPayClient $iPayClient,
+        protected SessionInterface $session,
     ) {
         $this->objectMapper = new ObjectMapperUsingReflection(
             new ReflectionDefinitionProvider(
@@ -37,7 +37,7 @@ public function __construct(
      */
     protected function post(string $uri, array $data = []): array
     {
-        $response = $this->client->getClient()->post(
+        $response = $this->iPayClient->getClient()->post(
             $uri,
             [],
             BodyBuilder::from($data)
@@ -54,11 +54,6 @@ public function getObjectMapper(): ObjectMapper
         return $this->objectMapper;
     }
 
-    public function getClient(): IPayClient
-    {
-        return $this->client;
-    }
-
     /**
      * @return T
      */
diff --git a/src/Api/UnauthenticatedApi.php b/src/Api/UnauthenticatedApi.php
index 1df0c8b..e00986e 100644
--- a/src/Api/UnauthenticatedApi.php
+++ b/src/Api/UnauthenticatedApi.php
@@ -16,7 +16,7 @@ public function login(
         $result = $this->post('/signIn', get_defined_vars());
 
         return new AuthenticatedApi(
-            $this->getClient(),
+            $this->iPayClient,
             new AuthenticatedSession($result['sessionId'])
         );
     }
diff --git a/src/Encryption/Encrypter.php b/src/Encryption/Encrypter.php
index da4d9db..7339402 100644
--- a/src/Encryption/Encrypter.php
+++ b/src/Encryption/Encrypter.php
@@ -18,12 +18,10 @@ public static function encrypt(string $message): string
         $mlen = strlen($message);
 
         $result = '';
-        foreach (
-            str_split(
-                $message,
-                (int) ceil($mlen / ceil($mlen / 86))
-            ) as $part
-        ) {
+        foreach (str_split(
+            $message,
+            (int) ceil($mlen / ceil($mlen / 86))
+        ) as $part) {
             openssl_public_encrypt(
                 $part,
                 $part,
diff --git a/src/IPayClient.php b/src/IPayClient.php
index bf48938..ff8d75a 100644
--- a/src/IPayClient.php
+++ b/src/IPayClient.php
@@ -9,6 +9,8 @@
 use Http\Client\Common\PluginClient;
 use Http\Discovery\Psr17FactoryDiscovery;
 use Http\Discovery\Psr18ClientDiscovery;
+use IPay\Api\AuthenticatedApi;
+use IPay\Api\AuthenticatedSession;
 use IPay\Api\UnauthenticatedApi;
 use IPay\Api\UnauthenticatedSession;
 use IPay\Http\Plugin\ExceptionThrower;
@@ -46,4 +48,9 @@ public function unauthenticated(): UnauthenticatedApi
     {
         return new UnauthenticatedApi($this, new UnauthenticatedSession());
     }
+
+    public function session(string $id): AuthenticatedApi
+    {
+        return new AuthenticatedApi($this, new AuthenticatedSession($id));
+    }
 }