diff --git a/src/Protocols/Pusher/Contracts/ChannelManager.php b/src/Protocols/Pusher/Contracts/ChannelManager.php
index 0b76e9cb..4acb2f9e 100644
--- a/src/Protocols/Pusher/Contracts/ChannelManager.php
+++ b/src/Protocols/Pusher/Contracts/ChannelManager.php
@@ -25,6 +25,11 @@ public function for(Application $application): ChannelManager;
      */
     public function all(): array;
 
+    /**
+     * Determine whether the given channel exists.
+     */
+    public function exists(string $channel): bool;
+
     /**
      * Find the given channel.
      */
diff --git a/src/Protocols/Pusher/Managers/ArrayChannelManager.php b/src/Protocols/Pusher/Managers/ArrayChannelManager.php
index 0965d337..a8cf694c 100644
--- a/src/Protocols/Pusher/Managers/ArrayChannelManager.php
+++ b/src/Protocols/Pusher/Managers/ArrayChannelManager.php
@@ -47,6 +47,14 @@ public function all(): array
         return $this->channels();
     }
 
+    /**
+     * Determine whether the given channel exists.
+     */
+    public function exists(string $channel): bool
+    {
+        return isset($this->applications[$this->application->id()][$channel]);
+    }
+
     /**
      * Find the given channel
      */
diff --git a/tests/Unit/Protocols/Pusher/Managers/ChannelManagerTest.php b/tests/Unit/Protocols/Pusher/Managers/ChannelManagerTest.php
index 787f99a9..638ae60c 100644
--- a/tests/Unit/Protocols/Pusher/Managers/ChannelManagerTest.php
+++ b/tests/Unit/Protocols/Pusher/Managers/ChannelManagerTest.php
@@ -38,6 +38,13 @@
     expect($this->channelManager->all())->toHaveCount(4);
 });
 
+it('can determine whether a channel exists', function () {
+    $this->channelManager->findOrCreate('test-channel-1');
+
+    expect($this->channelManager->exists('test-channel-1'))->toBeTrue();
+    expect($this->channelManager->exists('test-channel-2'))->toBeFalse();
+});
+
 it('can get all connections subscribed to a channel', function () {
     $connections = collect(factory(5))
         ->each(fn ($connection) => $this->channel->subscribe($connection->connection()));