diff --git a/src/Api/AbstractApi.php b/src/Api/AbstractApi.php
index cb53f852..77582923 100644
--- a/src/Api/AbstractApi.php
+++ b/src/Api/AbstractApi.php
@@ -36,7 +36,7 @@ abstract class AbstractApi
      *
      * @var string
      */
-    private const URI_PREFIX = '/api/v4/';
+    protected const URI_PREFIX = '/api/v4/';
 
     /**
      * The access levels for groups and projects
@@ -264,7 +264,7 @@ private static function prepareUri(string $uri, array $query = []): string
             return null !== $value;
         });
 
-        return \sprintf('%s%s%s', self::URI_PREFIX, $uri, QueryStringBuilder::build($query));
+        return \sprintf('%s%s%s', static::URI_PREFIX, $uri, QueryStringBuilder::build($query));
     }
 
     /**
diff --git a/src/Api/GraphQL.php b/src/Api/GraphQL.php
new file mode 100644
index 00000000..a182bc3a
--- /dev/null
+++ b/src/Api/GraphQL.php
@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Gitlab API library.
+ *
+ * (c) Matt Humphrey <matth@windsor-telecom.co.uk>
+ * (c) Graham Campbell <hello@gjcampbell.co.uk>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Gitlab\Api;
+
+class GraphQL extends AbstractApi
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected const URI_PREFIX = '/api';
+
+    /**
+     * @param string $query
+     * @param array  $variables
+     *
+     * @return array
+     */
+    public function execute(string $query, array $variables = [])
+    {
+        $params = [
+            'query' => $query,
+        ];
+        if (!empty($variables)) {
+            $params['variables'] = \json_encode($variables);
+        }
+
+        return $this->post('/graphql', $params);
+    }
+
+    /**
+     * @param string $file
+     * @param array  $variables
+     *
+     * @return array
+     */
+    public function fromFile(string $file, array $variables = [])
+    {
+        return $this->execute(\file_get_contents($file), $variables);
+    }
+}
diff --git a/src/Client.php b/src/Client.php
index 681b3a54..b1e8d85f 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -18,6 +18,7 @@
 use Gitlab\Api\Deployments;
 use Gitlab\Api\Environments;
 use Gitlab\Api\Events;
+use Gitlab\Api\GraphQL;
 use Gitlab\Api\Groups;
 use Gitlab\Api\GroupsBoards;
 use Gitlab\Api\GroupsEpics;
@@ -407,6 +408,14 @@ public function wiki(): Wiki
         return new Wiki($this);
     }
 
+    /**
+     * @return GraphQL
+     */
+    public function graphql(): GraphQL
+    {
+        return new GraphQL($this);
+    }
+
     /**
      * Authenticate a user for all next requests.
      *