diff --git a/app/Http/Controllers/FetchController.php b/app/Http/Controllers/FetchController.php
index 90b80c5..003109d 100644
--- a/app/Http/Controllers/FetchController.php
+++ b/app/Http/Controllers/FetchController.php
@@ -18,18 +18,11 @@ class FetchController extends Controller
 	/**
 	 * Set up Guzzle Client for requests
 	 *
-	 * @return void
+	 * @param Client $client
 	 */
-	public function __construct()
+	public function __construct(Client $client)
 	{
-		$this->client = new Client(
-			[
-				'headers' => [
-					'User-Agent' => env('REDDIT_USER_AGENT'),
-					'Content-Type' => 'application/x-www-form-urlencoded',
-				]
-			]
-		);
+		$this->client = $client;
 		$this->access_token = '';
 		$this->results = [];
 	}
@@ -174,7 +167,7 @@ private function notifySlack()
 				'elements' => [
 					[
 						'type' => 'mrkdwn',
-						'text' => '<https://mod.reddit.com/mail/|View Modmail>',
+						'text' => '<https://mod.reddit.com/mail/all|Open Modmail> to view all messages',
 					]
 				]
 			];
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index ddec046..cf60d05 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -2,17 +2,26 @@
 
 namespace App\Providers;
 
+use GuzzleHttp\Client;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
 {
-    /**
-     * Register any application services.
-     *
-     * @return void
-     */
-    public function register()
-    {
-        //
-    }
+	/**
+	 * Register any application services.
+	 *
+	 * @return void
+	 */
+	public function register()
+	{
+		$this->app->singleton(Client::class, function ($app) {
+			$client = new Client([
+				'headers' => [
+					'User-Agent' => env('REDDIT_USER_AGENT'),
+					'Content-Type' => 'application/x-www-form-urlencoded',
+				]
+			]);
+			return $client;
+		});
+	}
 }
diff --git a/bootstrap/app.php b/bootstrap/app.php
index ecbeb61..45acad1 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -76,7 +76,7 @@
 |
 */
 
-// $app->register(App\Providers\AppServiceProvider::class);
+ $app->register(App\Providers\AppServiceProvider::class);
 // $app->register(App\Providers\AuthServiceProvider::class);
 // $app->register(App\Providers\EventServiceProvider::class);