diff --git a/application/controllers/ContactsController.php b/application/controllers/ContactsController.php
index 7a65f7be..a58ab5cd 100644
--- a/application/controllers/ContactsController.php
+++ b/application/controllers/ContactsController.php
@@ -43,7 +43,7 @@ public function init()
     public function indexAction()
     {
         $contacts = Contact::on($this->db)
-            ->withColumns('has_email');
+            ->withColumns(['has_email', 'has_webhook']);
 
         $limitControl = $this->createLimitControl();
         $paginationControl = $this->createPaginationControl($contacts);
diff --git a/library/Notifications/Common/Icons.php b/library/Notifications/Common/Icons.php
index d63fecad..3000a14c 100644
--- a/library/Notifications/Common/Icons.php
+++ b/library/Notifications/Common/Icons.php
@@ -41,4 +41,8 @@ private function __construct()
     public const RULE_MATCHED = 'filter';
 
     public const UNDEFINED = 'notdef';
+
+    public const EMAIL = 'at';
+
+    public const WEBHOOK = 'envelope';
 }
diff --git a/library/Notifications/Model/Behavior/HasAddress.php b/library/Notifications/Model/Behavior/HasAddress.php
index 2e7db3fc..64a49c22 100644
--- a/library/Notifications/Model/Behavior/HasAddress.php
+++ b/library/Notifications/Model/Behavior/HasAddress.php
@@ -30,7 +30,7 @@ public function setQuery(Query $query)
     public function rewriteColumn($column, ?string $relation = null)
     {
         if ($this->isSelectableColumn($column)) {
-            $type = 'email';
+            $type = $column === 'has_email' ? 'email' : 'webhook';
 
             $subQueryRelation = $relation !== null ? $relation . '.contact.contact_address' : 'contact.contact_address';
 
@@ -53,7 +53,7 @@ public function rewriteColumn($column, ?string $relation = null)
 
     public function isSelectableColumn(string $name): bool
     {
-        return $name === 'has_email';
+        return $name === 'has_email' || $name === 'has_webhook';
     }
 
     public function rewriteColumnDefinition(ColumnDefinition $def, string $relation): void
@@ -61,7 +61,9 @@ public function rewriteColumnDefinition(ColumnDefinition $def, string $relation)
         $name = $def->getName();
 
         if ($this->isSelectableColumn($name)) {
-            $def->setLabel(t('Has Email Address'));
+            $def->setLabel(
+                $name === 'has_email' ? t('Has Email Address') : t('Has Webhook')
+            );
         }
     }
 
@@ -70,7 +72,7 @@ public function rewriteCondition(Filter\Condition $condition, $relation = null)
         $column = substr($condition->getColumn(), strlen($relation));
 
         if ($this->isSelectableColumn($column)) {
-            $type = 'email';
+            $type = $column === 'has_email' ? 'email' : 'webhook';
 
             $subQuery = $this->query->createSubQuery(new ContactAddress(), $relation)
                 ->limit(1)
diff --git a/library/Notifications/Widget/ItemList/ContactListItem.php b/library/Notifications/Widget/ItemList/ContactListItem.php
index e80d6026..ae6a1138 100644
--- a/library/Notifications/Widget/ItemList/ContactListItem.php
+++ b/library/Notifications/Widget/ItemList/ContactListItem.php
@@ -4,6 +4,7 @@
 
 namespace Icinga\Module\Notifications\Widget\ItemList;
 
+use Icinga\Module\Notifications\Common\Icons;
 use Icinga\Module\Notifications\Model\Contact;
 use ipl\Html\Attributes;
 use ipl\Html\BaseHtmlElement;
@@ -45,7 +46,11 @@ protected function assembleFooter(BaseHtmlElement $footer): void
         $contactIcons = new HtmlElement('div', Attributes::create(['class' => 'contact-icons']));
 
         if (isset($this->item->has_email) && $this->item->has_email) {
-            $contactIcons->addHtml(new Icon('at'));
+            $contactIcons->addHtml(new Icon(Icons::EMAIL));
+        }
+
+        if (isset($this->item->has_webhook) && $this->item->has_webhook) {
+            $contactIcons->addHtml(new Icon(Icons::WEBHOOK));
         }
 
         $footer->addHtml($contactIcons);