diff --git a/config/posthog.php b/config/posthog.php
index 5aba3b8..e3fdda1 100644
--- a/config/posthog.php
+++ b/config/posthog.php
@@ -10,7 +10,7 @@
     |--------------------------------------------------------------------------
     */
 
-    'key' => '',
+    'key' => env('POSTHOG_KEY', null),
 
     /*
     |--------------------------------------------------------------------------
@@ -18,5 +18,5 @@
     |--------------------------------------------------------------------------
     */
 
-    'host' => 'https://app.posthog.com',
+    'host' => env('POSTHOG_HOST', null),
 ];
diff --git a/src/PostHog.php b/src/PostHog.php
index f863c62..50dc47d 100644
--- a/src/PostHog.php
+++ b/src/PostHog.php
@@ -50,4 +50,60 @@ public static function alias(string $id, string $alias): bool
             'alias' => $alias,
         ]);
     }
+
+    /**
+     * @param  array<mixed>  $groups
+     * @param  array<mixed>  $personProperties
+     * @param  array<mixed>  $groupProperties
+     *
+     * @throws \Exception
+     */
+    public static function isFeatureEnabled(
+        string $key,
+        string $distinctId,
+        array $groups = [],
+        array $personProperties = [],
+        array $groupProperties = [],
+        bool $onlyEvaluateLocally = false,
+        bool $sendFeatureFlagEvents = true
+    ): null|bool {
+        return PostHogClient::isFeatureEnabled($key, $distinctId, $groups, $personProperties, $groupProperties, $onlyEvaluateLocally, $sendFeatureFlagEvents);
+    }
+
+    /**
+     * @param  array<mixed>  $groups
+     * @param  array<mixed>  $personProperties
+     * @param  array<mixed>  $groupProperties
+     *
+     * @throws \Exception
+     */
+    public static function getFeatureFlag(
+        string $key,
+        string $distinctId,
+        array $groups = [],
+        array $personProperties = [],
+        array $groupProperties = [],
+        bool $onlyEvaluateLocally = false,
+        bool $sendFeatureFlagEvents = true
+    ): null|bool|string {
+        return PostHogClient::getFeatureFlag($key, $distinctId, $groups, $personProperties, $groupProperties, $onlyEvaluateLocally, $sendFeatureFlagEvents);
+    }
+
+    /**
+     * @param  array<mixed>  $groups
+     * @param  array<mixed>  $personProperties
+     * @param  array<mixed>  $groupProperties
+     * @return array<mixed>
+     *
+     * @throws \Exception
+     */
+    public static function getAllFlags(
+        string $distinctId,
+        array $groups = [],
+        array $personProperties = [],
+        array $groupProperties = [],
+        bool $onlyEvaluateLocally = false
+    ): array {
+        return PostHogClient::getAllFlags($distinctId, $groups, $personProperties, $groupProperties, $onlyEvaluateLocally);
+    }
 }
diff --git a/src/PostHogServiceProvider.php b/src/PostHogServiceProvider.php
index 3027519..27fae5b 100644
--- a/src/PostHogServiceProvider.php
+++ b/src/PostHogServiceProvider.php
@@ -17,8 +17,8 @@ public function configurePackage(Package $package): void
 
     public function packageBooted(): void
     {
-        if ($key = config('posthog.key')) {
-            PostHog::init($key, ['host' => config('posthog.host', 'https://app.posthog.com')]);
+        if (! empty(config('posthog.key'))) {
+            PostHog::init(config('posthog.key'), ['host' => empty(config('posthog.host')) ? 'https://app.posthog.com' : config('posthog.host')]);
         }
     }
 }