diff --git a/composer.json b/composer.json
index 991e3b4..94f100f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,6 @@
 {
     "require": {
-	"singpolyma/openpgp-php": "0.3.*"
+	"singpolyma/openpgp-php": "0.3.*",
+	"techcrunch/wp-async-task": "dev-master"
     }
 }
diff --git a/composer.lock b/composer.lock
index e3c440c..4d5bfdb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f89229825d6a5fb0c6b4631f153ace78",
+    "content-hash": "639c41ba8fc796bb88630bf51bb0ce38",
     "packages": [
         {
             "name": "phpseclib/phpseclib",
@@ -140,12 +140,65 @@
             ],
             "description": "Pure-PHP implementation of the OpenPGP Message Format (RFC 4880)",
             "time": "2017-04-12T21:23:15+00:00"
+        },
+        {
+            "name": "techcrunch/wp-async-task",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/techcrunch/wp-async-task.git",
+                "reference": "9bdbbf9df4ff5179711bb58b9a2451296f6753dc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/techcrunch/wp-async-task/zipball/9bdbbf9df4ff5179711bb58b9a2451296f6753dc",
+                "reference": "9bdbbf9df4ff5179711bb58b9a2451296f6753dc",
+                "shasum": ""
+            },
+            "require-dev": {
+                "10up/wp_mock": "dev-master",
+                "phpunit/phpunit": "*@stable"
+            },
+            "type": "wordpress-plugin",
+            "autoload": {
+                "classmap": [
+                    "wp-async-task.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Alex Khadiwala",
+                    "role": "developer"
+                },
+                {
+                    "name": "Nicolas Vincent",
+                    "role": "developer"
+                },
+                {
+                    "name": "Eric Mann",
+                    "email": "eric.mann@10up.com",
+                    "role": "developer"
+                },
+                {
+                    "name": "John P. Bloch",
+                    "email": "john.bloch@10up.com",
+                    "role": "developer"
+                }
+            ],
+            "description": "Run asynchronous tasks for long-running operations in WordPress",
+            "time": "2016-03-10T17:37:13+00:00"
         }
     ],
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {
+        "techcrunch/wp-async-task": 20
+    },
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
diff --git a/includes/init.php b/includes/init.php
index 56462e1..19d40a5 100644
--- a/includes/init.php
+++ b/includes/init.php
@@ -7,6 +7,7 @@ require_once plugin_dir_path( __FILE__ ) . 'server/actors.php';
 require_once plugin_dir_path( __FILE__ ) . 'schema.php';
 require_once plugin_dir_path( __FILE__ ) . 'server/webfinger.php';
 require_once plugin_dir_path( __FILE__ ) . 'client/posts.php';
+require_once plugin_dir_path( __FILE__ ) . 'server/async.php';
 
 add_action( 'rest_api_init', function() {
     \api\register_routes();
@@ -27,6 +28,7 @@ add_action( 'pterotype_init', function() {
 
 add_action( 'pterotype_load', function() {
     \schema\run_migrations();
+    \async\init_tasks();
 } );
 
 add_action( 'generate_rewrite_rules', '\webfinger\generate_rewrite_rules', 111 );
diff --git a/includes/server/activities/follow.php b/includes/server/activities/follow.php
index 0108353..ade8840 100644
--- a/includes/server/activities/follow.php
+++ b/includes/server/activities/follow.php
@@ -43,10 +43,7 @@ function handle_inbox( $actor_slug, $activity ) {
         if ( is_wp_error( $accept ) ) {
             return $accept;
         }
-        $res = \outbox\handle_activity( $actor_slug, $accept );
-        if ( is_wp_error( $res ) ) {
-            return $res;
-        }
+        do_action( 'pterotype_send_accept', $actor_slug, $accept );
     }
     return $activity;
 }
diff --git a/includes/server/async.php b/includes/server/async.php
new file mode 100644
index 0000000..fe90b0d
--- /dev/null
+++ b/includes/server/async.php
@@ -0,0 +1,28 @@
+<?php
+namespace async;
+
+require_once plugin_dir_path( __FILE__ ) . 'outbox.php';
+
+class Send_Accept_Task extends \WP_Async_Task {
+    protected $action = 'pterotype_send_accept';
+
+    protected function prepare_data( $data ) {
+        $actor_slug = $data[0];
+        $accept = $data[1];
+        return array( 'actor_slug' => $actor_slug, 'accept' => $accept );
+    }
+
+    protected function run_action() {
+        $actor_slug = $_POST['actor_slug'];
+        $accept = $_POST['accept'];
+        if ( $actor_slug && $accept ) {
+            sleep( 5 );
+            \outbox\handle_activity( $actor_slug, $accept );
+        }
+    }
+}
+
+function init_tasks() {
+    new Send_Accept_Task();
+}
+?>
diff --git a/includes/server/outbox.php b/includes/server/outbox.php
index 9dce741..6ed999f 100644
--- a/includes/server/outbox.php
+++ b/includes/server/outbox.php
@@ -24,6 +24,9 @@ require_once plugin_dir_path( __FILE__ ) . 'activities/undo.php';
 require_once plugin_dir_path( __FILE__ ) . '../util.php';
 
 function handle_activity( $actor_slug, $activity ) {
+    \util\log( 'outbox.html', 'Got outbox request', false );
+    \util\log_var( 'outbox.html', $actor_slug );
+    \util\log_var( 'outbox.html', $activity );
     // TODO handle authentication/authorization
     $activity = \util\dereference_object( $activity );
     if ( is_wp_error( $activity ) ) {