diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38bb96c..e185513 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - Add `anonymizeAt` and `anonymizedAt` to `Envelope`
 - Add anonymize action to `Envelope`
 - Add `AccountEmailSendersEndpoint` and `AccountEmailSender` resource
+- Add `approvedAt`, `deniedAt` and `denailMessage` to `Identification`
+- Add `Identification.approve` endpoint and `Identification.deny` endpoint
 
 ### Changed
 - Change `EnvelopeDocument.file` to nullable
diff --git a/src/Endpoint/IdentificationsEndpoint.php b/src/Endpoint/IdentificationsEndpoint.php
index 1ef54dd..e4e328f 100644
--- a/src/Endpoint/IdentificationsEndpoint.php
+++ b/src/Endpoint/IdentificationsEndpoint.php
@@ -20,4 +20,17 @@ public function __construct(DigiSign $parent)
     {
         parent::__construct($parent, '/api/identifications', Identification::class);
     }
+
+    public function approve(Identification|string $id): Identification
+    {
+        return $this->makeResource($this->postRequest('/{id}/approve', ['id' => $id]));
+    }
+
+    /**
+     * @param mixed[] $body
+     */
+    public function deny(Identification|string $id, array $body = []): Identification
+    {
+        return $this->makeResource($this->postRequest('/{id}/deny', ['id' => $id, 'json' => $body]));
+    }
 }