diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a2fb56e..bd10243 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
   workflow_dispatch:
   schedule:
     - cron:  '*/8 * * * *'
diff --git a/src/MailosaurClient.php b/src/MailosaurClient.php
index 77e94f5..1442c7c 100644
--- a/src/MailosaurClient.php
+++ b/src/MailosaurClient.php
@@ -9,6 +9,7 @@
 use Mailosaur\Operations\Servers;
 use Mailosaur\Operations\Usage;
 use Mailosaur\Operations\Devices;
+use Mailosaur\Operations\Previews;
 
 class MailosaurClient
 {
@@ -36,6 +37,9 @@ class MailosaurClient
     /** @var Operations\Devices */
     public $devices;
 
+    /** @var Operations\Previews */
+    public $previews;
+
 
     public function __construct($apiKey, $baseUri = 'https://mailosaur.com/')
     {
@@ -54,6 +58,8 @@ public function __construct($apiKey, $baseUri = 'https://mailosaur.com/')
         $this->usage = new Usage($this);
 
         $this->devices = new Devices($this);
+
+        $this->previews = new Previews($this);
     }
 
     /**
diff --git a/src/Models/Preview.php b/src/Models/Preview.php
new file mode 100644
index 0000000..156d715
--- /dev/null
+++ b/src/Models/Preview.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class Preview
+{
+    /** @var string The unique identifier for the email preview. */
+    public $id;
+
+    /** @var string The email client the preview was generated with. */
+    public $emailClient;
+
+    /** @var bool Whether images were disabled in the preview. */
+    public $disableImages;
+
+    public function __construct(\stdClass $data)
+    {
+        if (property_exists($data, 'id')) {
+            $this->id = $data->id;
+        }
+
+        if (property_exists($data, 'emailClient')) {
+            $this->emailClient = $data->emailClient;
+        }
+
+        if (property_exists($data, 'disableImages')) {
+            $this->disableImages = $data->disableImages;
+        }
+    }
+
+    /**
+     * @return array
+     */
+    public function __toArray()
+    {
+        $model = array(
+            'id'              => $this->id,
+            'emailClient'     => $this->emailClient,
+            'disableImages'   => $this->disableImages
+        );
+
+        return $model;
+    }
+
+    public function toJsonString()
+    {
+        return json_encode($this->__toArray());
+    }
+}
diff --git a/src/Models/PreviewEmailClient.php b/src/Models/PreviewEmailClient.php
new file mode 100644
index 0000000..fe4f0b1
--- /dev/null
+++ b/src/Models/PreviewEmailClient.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class PreviewEmailClient
+{
+    /** @var string The unique identifier for the email preview. */
+    public $id;
+
+    /** @var string The display name of the email client. */
+    public $name;
+
+    /** @var string Whether the platform is desktop, mobile, or web-based. */
+    public $platformGroup;
+
+    /** @var string The type of platform on which the email client is running. */
+    public $platformType;
+
+    /** @var string The platform version number. */
+    public $platformVersion;
+
+    /** @var bool Whether images can be disabled when generating previews. */
+    public $canDisableImages;
+
+    /** @var string The current status of the email client. */
+    public $status;
+
+    public function __construct(\stdClass $data)
+    {
+        if (property_exists($data, 'id')) {
+            $this->id = $data->id;
+        }
+
+        if (property_exists($data, 'name')) {
+            $this->name = $data->name;
+        }
+        
+        if (property_exists($data, 'platformGroup')) {
+            $this->platformGroup = $data->platformGroup;
+        }
+
+        if (property_exists($data, 'platformType')) {
+            $this->platformType = $data->platformType;
+        }
+
+        if (property_exists($data, 'platformVersion')) {
+            $this->platformVersion = $data->platformVersion;
+        }
+
+        if (property_exists($data, 'canDisableImages')) {
+            $this->canDisableImages = $data->canDisableImages;
+        }
+
+        if (property_exists($data, 'status')) {
+            $this->status = $data->status;
+        }
+    }
+
+    /**
+     * @return array
+     */
+    public function __toArray()
+    {
+        $model = array(
+            'id'                => $this->id,
+            'name'              => $this->name,
+            'platformGroup'     => $this->platformGroup,
+            'platformType'      => $this->platformType,
+            'platformVersion'   => $this->platformVersion,
+            'canDisableImages'  => $this->canDisableImages,
+            'status'            => $this->status
+        );
+
+        return $model;
+    }
+
+    public function toJsonString()
+    {
+        return json_encode($this->__toArray());
+    }
+}
diff --git a/src/Models/PreviewEmailClientListResult.php b/src/Models/PreviewEmailClientListResult.php
new file mode 100644
index 0000000..6d1eba8
--- /dev/null
+++ b/src/Models/PreviewEmailClientListResult.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class PreviewEmailClientListResult
+{
+    /**
+     * @var PreviewEmailClient[] A list of available email clients with which to generate email previews.
+     */
+    public $items = array();
+
+    public function __construct(\stdClass $data)
+    {
+        if (property_exists($data, 'items') && is_array($data->items)) {
+            foreach ($data->items as $item) {
+                $this->items[] = new PreviewEmailClient($item);
+            }
+        }
+    }
+}
diff --git a/src/Models/PreviewListResult.php b/src/Models/PreviewListResult.php
new file mode 100644
index 0000000..7641000
--- /dev/null
+++ b/src/Models/PreviewListResult.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class PreviewListResult
+{
+    /**
+     * @var Preview[] A list of requested email previews.
+     */
+    public $items = array();
+
+    public function __construct(\stdClass $data)
+    {
+        if (property_exists($data, 'items') && is_array($data->items)) {
+            foreach ($data->items as $item) {
+                $this->items[] = new Preview($item);
+            }
+        }
+    }
+}
diff --git a/src/Models/PreviewRequest.php b/src/Models/PreviewRequest.php
new file mode 100644
index 0000000..08d53bb
--- /dev/null
+++ b/src/Models/PreviewRequest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class PreviewRequest
+{
+    /** @var string The email client you wish to generate a preview for. */
+    public $emailClient;
+
+    /** @var bool Whether images will be disabled (only if supported by the client). */
+    public $disableImages;
+
+    public function __construct($emailClient, $disableImages = false)
+    {
+        $this->emailClient = $emailClient;
+        $this->disableImages = $disableImages;
+    }
+
+    /**
+     * @return array
+     */
+    public function __toArray()
+    {
+        $model = array(
+            'emailClient'     => $this->emailClient,
+            'disableImages'   => $this->disableImages
+        );
+
+        return $model;
+    }
+
+    public function toJsonString()
+    {
+        return json_encode($this->__toArray());
+    }
+}
diff --git a/src/Models/PreviewRequestOptions.php b/src/Models/PreviewRequestOptions.php
new file mode 100644
index 0000000..15c9a0a
--- /dev/null
+++ b/src/Models/PreviewRequestOptions.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Mailosaur\Models;
+
+
+class PreviewRequestOptions
+{
+    /**
+     * @var PreviewRequest[] The list of email preview requests.
+     */
+    public $previews = array();
+
+    public function __construct($previews)
+    {
+        $this->previews = $previews;
+    }
+
+    public function __toArray()
+    {
+        $model = array(
+            'previews'      => $this->previews
+        );
+
+        return $model;
+    }
+
+    /**
+     * Prepare json-serialized string
+     *
+     * @return string
+     */
+    public function toJsonString()
+    {
+        return json_encode($this->__toArray());
+    }
+}
diff --git a/src/Operations/Files.php b/src/Operations/Files.php
index 965f2bd..9d27fa4 100644
--- a/src/Operations/Files.php
+++ b/src/Operations/Files.php
@@ -36,4 +36,17 @@ public function getEmail($id)
     {
         return $this->request('api/files/email/' . urlencode($id));
     }
-}
\ No newline at end of file
+
+    /**
+     * <strong>Download an email preview</strong>
+     *
+     * @param string $id The identifier of the preview to be downloaded.
+     *
+     * @return string
+     * @throws \Mailosaur\Models\MailosaurException
+     */
+    public function getPreview($id)
+    {
+        return $this->request('api/files/previews/' . urlencode($id));
+    }
+}
diff --git a/src/Operations/Messages.php b/src/Operations/Messages.php
index ffc3e0c..4445688 100644
--- a/src/Operations/Messages.php
+++ b/src/Operations/Messages.php
@@ -9,6 +9,8 @@
 use Mailosaur\Models\MessageCreateOptions;
 use Mailosaur\Models\MessageForwardOptions;
 use Mailosaur\Models\MessageReplyOptions;
+use Mailosaur\Models\PreviewRequestOptions;
+use Mailosaur\Models\PreviewListResult;
 
 class Messages extends AOperation
 {
@@ -309,4 +311,32 @@ public function reply($id, MessageReplyOptions $messageReplyOptions)
 
         return new Message($response);
     }
+
+    /**
+     * <strong>Generate email previews</strong>
+     * <p>Generates screenshots of an email rendered in the specified email clients.</p>
+     *
+     * @param $id
+     * @param $options
+     *
+     * @return \Mailosaur\Models\PreviewListResult
+     * @throws \Mailosaur\Models\MailosaurException
+     */
+    public function generatePreviews($id, PreviewRequestOptions $options)
+    {
+        $payload = $options->toJsonString();
+
+        $response = $this->request(
+            'api/messages/' . $id . '/previews',
+            array(
+                CURLOPT_CUSTOMREQUEST => 'POST',
+                CURLOPT_POSTFIELDS    => $payload,
+                CURLOPT_HTTPHEADER    => array('Content-Type:application/json', 'Content-Length: ' . strlen($payload))
+            )
+        );
+
+        $response = json_decode($response);
+
+        return new PreviewListResult($response);
+    }
 }
diff --git a/src/Operations/Previews.php b/src/Operations/Previews.php
new file mode 100644
index 0000000..39eb978
--- /dev/null
+++ b/src/Operations/Previews.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Mailosaur\Operations;
+
+
+use Mailosaur\Models\PreviewEmailClientListResult;
+
+class Previews extends AOperation
+{
+
+    /**
+     * <strong>List all email preview clients</strong>
+     *
+     * @return PreviewEmailClientListResult
+     * @throws \Mailosaur\Models\MailosaurException
+     */
+    public function allEmailClients()
+    {
+        $response = $this->request('api/previews/clients');
+
+        $response = json_decode($response);
+
+        return new PreviewEmailClientListResult($response);
+    }
+}
diff --git a/tests/PreviewsTests.php b/tests/PreviewsTests.php
new file mode 100644
index 0000000..7ec989d
--- /dev/null
+++ b/tests/PreviewsTests.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace MailosaurTest;
+
+
+use Mailosaur\MailosaurClient;
+use Mailosaur\Operations\Servers;
+use Mailosaur\Models\SearchCriteria;
+use Mailosaur\Models\PreviewRequest;
+use Mailosaur\Models\PreviewRequestOptions;
+
+class PreviewsTests extends \PHPUnit\Framework\TestCase
+{
+    /** @var \Mailosaur\MailosaurClient */
+    protected static $client;
+
+    /** @var string */
+    protected static $server;
+
+    public static function setUpBeforeClass(): void
+    {
+        $baseUrl      = ($h = getenv('MAILOSAUR_BASE_URL')) ? $h : 'https://mailosaur.com/';
+        $apiKey       = getenv('MAILOSAUR_API_KEY');
+        self::$server = getenv('MAILOSAUR_SERVER');
+
+        if (empty($apiKey)) {
+            throw new \Exception('Missing necessary environment variables - refer to README.md');
+        }
+
+        self::$client = new MailosaurClient($apiKey, $baseUrl);
+    }
+
+    public function testListEmailClients()
+    {
+        $result = self::$client->previews->allEmailClients();
+
+        $this->assertTrue(count($result->items) > 1);
+    }
+
+    public function testGeneratePreviews()
+    {
+        if (empty(self::$server)) { $this->markTestSkipped(); }
+
+        $randomString = Servers::randomString(10);
+        $host             = ($h = getenv('MAILOSAUR_SMTP_HOST')) ? $h : 'mailosaur.net';
+        $testEmailAddress = $randomString . '@' . self::$server . '.' . $host;
+
+        Mailer::sendEmail(self::$client, self::$server, $testEmailAddress);
+
+        $criteria         = new SearchCriteria();
+        $criteria->sentTo = $testEmailAddress;
+
+        $email = self::$client->messages->get(self::$server, $criteria);
+
+        $request = new PreviewRequest('OL2021');
+        $options = new PreviewRequestOptions(array($request));
+
+        $result = self::$client->messages->generatePreviews($email->id, $options);
+        $this->assertTrue(count($result->items) > 0);
+
+        $file = self::$client->files->getPreview($result->items[0]->id);
+        $this->assertNotNull($file);
+    }
+
+}