diff --git a/src/ModelFactory.php b/src/ModelFactory.php
index 9bc3fdb..9a9c1cc 100644
--- a/src/ModelFactory.php
+++ b/src/ModelFactory.php
@@ -5,11 +5,32 @@ declare(strict_types=1);
 namespace BushlanovDev\MaxMessengerBot;
 
 use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Enums\InlineButtonType;
 use BushlanovDev\MaxMessengerBot\Enums\MarkupType;
+use BushlanovDev\MaxMessengerBot\Enums\ReplyButtonType;
 use BushlanovDev\MaxMessengerBot\Enums\UpdateType;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\AbstractAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\AudioAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\AbstractInlineButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\CallbackButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\ChatButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\LinkButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\RequestContactButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\RequestGeoLocationButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\AbstractReplyButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendContactButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendGeoLocationButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendMessageButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\ContactAttachment;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\DataAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\FileAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\InlineKeyboardAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\LocationAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\PhotoAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\ReplyKeyboardAttachment;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\ShareAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\StickerAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\VideoAttachment;
 use BushlanovDev\MaxMessengerBot\Models\BotInfo;
 use BushlanovDev\MaxMessengerBot\Models\Chat;
 use BushlanovDev\MaxMessengerBot\Models\ChatList;
@@ -142,15 +163,80 @@ class ModelFactory
      */
     public function createAttachment(array $data): AbstractAttachment
     {
-        return match (AttachmentType::tryFrom($data['type'] ?? '')) {
+        $attachmentType = AttachmentType::tryFrom($data['type'] ?? '');
+        if ($attachmentType === AttachmentType::ReplyKeyboard
+            && isset($data['buttons']) && is_array($data['buttons'])) {
+            $data['buttons'] = array_map(
+                fn($rowOfButtons) => array_map([$this, 'createReplyButton'], $rowOfButtons),
+                $data['buttons'],
+            );
+        }
+
+        if ($attachmentType === AttachmentType::InlineKeyboard
+            && isset($data['payload']['buttons']) && is_array($data['payload']['buttons'])) {
+            $data['payload']['buttons'] = array_map(
+                fn($rowOfButtons) => array_map([$this, 'createInlineButton'], $rowOfButtons),
+                $data['payload']['buttons']
+            );
+        }
+
+        return match ($attachmentType) {
             AttachmentType::Data => DataAttachment::fromArray($data),
             AttachmentType::Share => ShareAttachment::fromArray($data),
+            AttachmentType::Image => PhotoAttachment::fromArray($data),
+            AttachmentType::Video => VideoAttachment::fromArray($data),
+            AttachmentType::Audio => AudioAttachment::fromArray($data),
+            AttachmentType::File => FileAttachment::fromArray($data),
+            AttachmentType::Sticker => StickerAttachment::fromArray($data),
+            AttachmentType::Contact => ContactAttachment::fromArray($data),
+            AttachmentType::InlineKeyboard => InlineKeyboardAttachment::fromArray($data),
+            AttachmentType::ReplyKeyboard => ReplyKeyboardAttachment::fromArray($data),
+            AttachmentType::Location => LocationAttachment::fromArray($data),
+            default => throw new LogicException("Unknown or unsupported attachment type: " . ($data['type'] ?? 'none')),
+        };
+    }
+
+    /**
+     * Creates a specific ReplyButton model based on the 'type' field.
+     *
+     * @param array<string, mixed> $data
+     *
+     * @return AbstractReplyButton
+     * @throws ReflectionException
+     * @throws LogicException
+     */
+    public function createReplyButton(array $data): AbstractReplyButton
+    {
+        return match (ReplyButtonType::tryFrom($data['type'] ?? '')) {
+            ReplyButtonType::Message => SendMessageButton::fromArray($data),
+            ReplyButtonType::UserContact => SendContactButton::fromArray($data),
+            ReplyButtonType::UserGeoLocation => SendGeoLocationButton::fromArray($data),
             default => throw new LogicException(
-                'Unknown or unsupported Attachment type: ' . ($data['type'] ?? 'none')
+                'Unknown or unsupported reply button type: ' . ($data['type'] ?? 'none')
             ),
         };
     }
 
+    /**
+     * Creates a specific InlineButton model based on the 'type' field.
+     *
+     * @param array<string, mixed> $data
+     * @return AbstractInlineButton
+     * @throws ReflectionException
+     * @throws LogicException
+     */
+    public function createInlineButton(array $data): AbstractInlineButton
+    {
+        return match (InlineButtonType::tryFrom($data['type'] ?? '')) {
+            InlineButtonType::Callback => CallbackButton::fromArray($data),
+            InlineButtonType::Link => LinkButton::fromArray($data),
+            InlineButtonType::RequestContact => RequestContactButton::fromArray($data),
+            InlineButtonType::RequestGeoLocation => RequestGeoLocationButton::fromArray($data),
+            InlineButtonType::Chat => ChatButton::fromArray($data),
+            default => throw new LogicException("Unknown or unsupported inline button type: " . ($data['type'] ?? 'none')),
+        };
+    }
+
     /**
      * List of messages.
      *
diff --git a/src/Models/AbstractModel.php b/src/Models/AbstractModel.php
index 18a41b1..9098b1a 100644
--- a/src/Models/AbstractModel.php
+++ b/src/Models/AbstractModel.php
@@ -137,7 +137,7 @@ abstract readonly class AbstractModel
             return $typeName::from($value);
         }
 
-        if (is_subclass_of($typeName, self::class)) {
+        if (is_subclass_of($typeName, self::class) && is_array($value)) {
             return $typeName::fromArray($value);
         }
 
diff --git a/src/Models/Attachments/AudioAttachment.php b/src/Models/Attachments/AudioAttachment.php
new file mode 100644
index 0000000..49c2187
--- /dev/null
+++ b/src/Models/Attachments/AudioAttachment.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\MediaAttachmentPayload;
+
+final readonly class AudioAttachment extends AbstractAttachment
+{
+    /**
+     * @param MediaAttachmentPayload $payload Audio attachment payload.
+     * @param string|null $transcription Audio transcription.
+     */
+    public function __construct(
+        public MediaAttachmentPayload $payload,
+        public ?string $transcription,
+    ) {
+        parent::__construct(AttachmentType::Audio);
+    }
+}
diff --git a/src/Models/Attachments/ContactAttachment.php b/src/Models/Attachments/ContactAttachment.php
new file mode 100644
index 0000000..7ab8080
--- /dev/null
+++ b/src/Models/Attachments/ContactAttachment.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\ContactAttachmentPayload;
+
+final readonly class ContactAttachment extends AbstractAttachment
+{
+    /**
+     * @param ContactAttachmentPayload $payload Contact attachment payload.
+     */
+    public function __construct(public ContactAttachmentPayload $payload)
+    {
+        parent::__construct(AttachmentType::Contact);
+    }
+}
diff --git a/src/Models/Attachments/FileAttachment.php b/src/Models/Attachments/FileAttachment.php
new file mode 100644
index 0000000..d3a8f9e
--- /dev/null
+++ b/src/Models/Attachments/FileAttachment.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\FileAttachmentPayload;
+
+final readonly class FileAttachment extends AbstractAttachment
+{
+    /**
+     * @param FileAttachmentPayload $payload File attachment payload.
+     * @param string $filename Uploaded file name.
+     * @param int $size File size in bytes.
+     */
+    public function __construct(
+        public FileAttachmentPayload $payload,
+        public string $filename,
+        public int $size,
+    ) {
+        parent::__construct(AttachmentType::File);
+    }
+}
diff --git a/src/Models/Attachments/InlineKeyboardAttachment.php b/src/Models/Attachments/InlineKeyboardAttachment.php
new file mode 100644
index 0000000..c50fcd8
--- /dev/null
+++ b/src/Models/Attachments/InlineKeyboardAttachment.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\KeyboardPayload;
+
+final readonly class InlineKeyboardAttachment extends AbstractAttachment
+{
+    /**
+     * @param KeyboardPayload $payload Keyboard payload.
+     */
+    public function __construct(public KeyboardPayload $payload) {
+        parent::__construct(AttachmentType::InlineKeyboard);
+    }
+}
diff --git a/src/Models/Attachments/LocationAttachment.php b/src/Models/Attachments/LocationAttachment.php
new file mode 100644
index 0000000..49c636f
--- /dev/null
+++ b/src/Models/Attachments/LocationAttachment.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+
+final readonly class LocationAttachment extends AbstractAttachment
+{
+    /**
+     * @param float $latitude
+     * @param float $longitude
+     */
+    public function __construct(
+        public float $latitude,
+        public float $longitude,
+    ) {
+        parent::__construct(AttachmentType::Location);
+    }
+}
diff --git a/src/Models/Attachments/Payloads/ContactAttachmentPayload.php b/src/Models/Attachments/Payloads/ContactAttachmentPayload.php
new file mode 100644
index 0000000..40c174e
--- /dev/null
+++ b/src/Models/Attachments/Payloads/ContactAttachmentPayload.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+use BushlanovDev\MaxMessengerBot\Models\User;
+
+/**
+ * Payload of a contact attachment.
+ */
+final readonly class ContactAttachmentPayload extends AbstractModel
+{
+    /**
+     * @param string|null $vcfInfo User info in VCF format.
+     * @param User|null $maxInfo User info if the contact is a Max user.
+     */
+    public function __construct(
+        public ?string $vcfInfo,
+        public ?User $maxInfo,
+    ) {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/FileAttachmentPayload.php b/src/Models/Attachments/Payloads/FileAttachmentPayload.php
new file mode 100644
index 0000000..9733885
--- /dev/null
+++ b/src/Models/Attachments/Payloads/FileAttachmentPayload.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+
+/**
+ * Payload for a file attachment.
+ */
+final readonly class FileAttachmentPayload extends AbstractModel
+{
+    /**
+     * @param string $url Media attachment URL.
+     * @param string $token Token to reuse the same attachment in other messages.
+     */
+    public function __construct(
+        public string $url,
+        public string $token,
+    ) {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/KeyboardPayload.php b/src/Models/Attachments/Payloads/KeyboardPayload.php
new file mode 100644
index 0000000..8689e18
--- /dev/null
+++ b/src/Models/Attachments/Payloads/KeyboardPayload.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\AbstractInlineButton;
+
+/**
+ * Represents an inline keyboard structure.
+ */
+final readonly class KeyboardPayload extends AbstractModel
+{
+    /**
+     * @param AbstractInlineButton[][] $buttons Two-dimensional array of buttons.
+     */
+    public function __construct(public array $buttons)
+    {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/MediaAttachmentPayload.php b/src/Models/Attachments/Payloads/MediaAttachmentPayload.php
new file mode 100644
index 0000000..e355acc
--- /dev/null
+++ b/src/Models/Attachments/Payloads/MediaAttachmentPayload.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+
+/**
+ * Payload for media attachments like audio or video.
+ */
+final readonly class MediaAttachmentPayload extends AbstractModel
+{
+    /**
+     * @param string $url Media attachment URL.
+     * @param string $token Token to reuse the same attachment in other messages.
+     */
+    public function __construct(
+        public string $url,
+        public string $token,
+    ) {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/PhotoAttachmentPayload.php b/src/Models/Attachments/Payloads/PhotoAttachmentPayload.php
new file mode 100644
index 0000000..b41abfd
--- /dev/null
+++ b/src/Models/Attachments/Payloads/PhotoAttachmentPayload.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+
+/**
+ * Payload for a photo attachment.
+ */
+final readonly class PhotoAttachmentPayload extends AbstractModel
+{
+    /**
+     * @param string $url Media attachment URL.
+     * @param string $token Token to reuse the same attachment in other messages.
+     * @param int $photoId Unique identifier of this image.
+     */
+    public function __construct(
+        public string $url,
+        public string $token,
+        public int $photoId,
+    ) {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/StickerAttachmentPayload.php b/src/Models/Attachments/Payloads/StickerAttachmentPayload.php
new file mode 100644
index 0000000..4864734
--- /dev/null
+++ b/src/Models/Attachments/Payloads/StickerAttachmentPayload.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+
+/**
+ * Payload for a sticker attachment.
+ */
+final readonly class StickerAttachmentPayload extends AbstractModel
+{
+    /**
+     * @param string $url Media attachment URL.
+     * @param string $code Sticker identifier.
+     */
+    public function __construct(
+        public string $url,
+        public string $code,
+    ) {
+    }
+}
diff --git a/src/Models/Attachments/Payloads/VideoThumbnail.php b/src/Models/Attachments/Payloads/VideoThumbnail.php
new file mode 100644
index 0000000..8e98a96
--- /dev/null
+++ b/src/Models/Attachments/Payloads/VideoThumbnail.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+
+/**
+ * Represents a video thumbnail image.
+ */
+final readonly class VideoThumbnail extends AbstractModel
+{
+    /**
+     * @param string $url Media attachment URL.
+     */
+    public function __construct(public string $url)
+    {
+    }
+}
diff --git a/src/Models/Attachments/PhotoAttachment.php b/src/Models/Attachments/PhotoAttachment.php
new file mode 100644
index 0000000..567e05c
--- /dev/null
+++ b/src/Models/Attachments/PhotoAttachment.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentPayload;
+
+final readonly class PhotoAttachment extends AbstractAttachment
+{
+    /**
+     * @param PhotoAttachmentPayload $payload Photo attachment payload.
+     */
+    public function __construct(public PhotoAttachmentPayload $payload)
+    {
+        parent::__construct(AttachmentType::Image);
+    }
+}
diff --git a/src/Models/Attachments/ReplyKeyboardAttachment.php b/src/Models/Attachments/ReplyKeyboardAttachment.php
new file mode 100644
index 0000000..c65f7a8
--- /dev/null
+++ b/src/Models/Attachments/ReplyKeyboardAttachment.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\AbstractReplyButton;
+
+final readonly class ReplyKeyboardAttachment extends AbstractAttachment
+{
+    /**
+     * @param AbstractReplyButton[][] $buttons
+     */
+    public function __construct(public array $buttons) {
+        parent::__construct(AttachmentType::ReplyKeyboard);
+    }
+}
diff --git a/src/Models/Attachments/StickerAttachment.php b/src/Models/Attachments/StickerAttachment.php
new file mode 100644
index 0000000..9948d08
--- /dev/null
+++ b/src/Models/Attachments/StickerAttachment.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\StickerAttachmentPayload;
+
+final readonly class StickerAttachment extends AbstractAttachment
+{
+    /**
+     * @param StickerAttachmentPayload $payload Sticker attachment payload.
+     * @param int $width
+     * @param int $height
+     */
+    public function __construct(
+        public StickerAttachmentPayload $payload,
+        public int $width,
+        public int $height,
+    ) {
+        parent::__construct(AttachmentType::Sticker);
+    }
+}
diff --git a/src/Models/Attachments/VideoAttachment.php b/src/Models/Attachments/VideoAttachment.php
new file mode 100644
index 0000000..ac19b24
--- /dev/null
+++ b/src/Models/Attachments/VideoAttachment.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Enums\AttachmentType;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\MediaAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\VideoThumbnail;
+
+final readonly class VideoAttachment extends AbstractAttachment
+{
+    /**
+     * @param MediaAttachmentPayload $payload Video attachment payload.
+     * @param VideoThumbnail|null $thumbnail Video thumbnail.
+     * @param int|null $width Video width.
+     * @param int|null $height Video height.
+     * @param int|null $duration Video duration in seconds.
+     */
+    public function __construct(
+        public MediaAttachmentPayload $payload,
+        public ?VideoThumbnail $thumbnail,
+        public ?int $width,
+        public ?int $height,
+        public ?int $duration,
+    ) {
+        parent::__construct(AttachmentType::Video);
+    }
+}
diff --git a/src/Models/Message.php b/src/Models/Message.php
index 50470f0..28eac3e 100644
--- a/src/Models/Message.php
+++ b/src/Models/Message.php
@@ -16,6 +16,7 @@ final readonly class Message extends AbstractModel
      * @param User|null $sender User who sent this message. Can be null if message has been posted on behalf of a channel.
      * @param string|null $url Message public URL. Can be null for dialogs or non-public chats/channels.
      * @param LinkedMessage|null $link Forwarded or replied message.
+     * @param MessageStat|null $stat Message statistics. Available only for channels.
      */
     public function __construct(
         public int $timestamp,
@@ -24,6 +25,7 @@ final readonly class Message extends AbstractModel
         public ?User $sender,
         public ?string $url,
         public ?LinkedMessage $link,
+        public ?MessageStat $stat,
     ) {
     }
 }
diff --git a/src/Models/MessageStat.php b/src/Models/MessageStat.php
new file mode 100644
index 0000000..20d0143
--- /dev/null
+++ b/src/Models/MessageStat.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Models;
+
+/**
+ * Message statistics.
+ */
+final readonly class MessageStat extends AbstractModel
+{
+    /**
+     * @param int $views Number of views.
+     */
+    public function __construct(public int $views)
+    {
+    }
+}
diff --git a/tests/ModelFactoryTest.php b/tests/ModelFactoryTest.php
index e7b52aa..cf63bdf 100644
--- a/tests/ModelFactoryTest.php
+++ b/tests/ModelFactoryTest.php
@@ -9,9 +9,24 @@ use BushlanovDev\MaxMessengerBot\Enums\ChatAdminPermission;
 use BushlanovDev\MaxMessengerBot\Enums\UpdateType;
 use BushlanovDev\MaxMessengerBot\ModelFactory;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\AbstractAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\AbstractInlineButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\CallbackButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\ChatButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\LinkButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\RequestContactButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\RequestGeoLocationButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\AbstractReplyButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendContactButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendMessageButton;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\DataAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\InlineKeyboardAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\LocationAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\KeyboardPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentPayload;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentRequestPayload;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\ShareAttachmentRequestPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\PhotoAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\ReplyKeyboardAttachment;
 use BushlanovDev\MaxMessengerBot\Models\Attachments\ShareAttachment;
 use BushlanovDev\MaxMessengerBot\Models\BotCommand;
 use BushlanovDev\MaxMessengerBot\Models\BotInfo;
@@ -40,6 +55,7 @@ use BushlanovDev\MaxMessengerBot\Models\VideoAttachmentDetails;
 use BushlanovDev\MaxMessengerBot\Models\VideoUrls;
 use LogicException;
 use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\Attributes\UsesClass;
 use PHPUnit\Framework\TestCase;
@@ -76,6 +92,21 @@ use PHPUnit\Framework\TestCase;
 #[UsesClass(LinkMarkup::class)]
 #[UsesClass(AbstractMarkup::class)]
 #[UsesClass(StrongMarkup::class)]
+#[UsesClass(PhotoAttachmentPayload::class)]
+#[UsesClass(PhotoAttachment::class)]
+#[UsesClass(AbstractReplyButton::class)]
+#[UsesClass(SendContactButton::class)]
+#[UsesClass(SendMessageButton::class)]
+#[UsesClass(ReplyKeyboardAttachment::class)]
+#[UsesClass(AbstractInlineButton::class)]
+#[UsesClass(ChatButton::class)]
+#[UsesClass(RequestContactButton::class)]
+#[UsesClass(CallbackButton::class)]
+#[UsesClass(RequestGeoLocationButton::class)]
+#[UsesClass(LinkButton::class)]
+#[UsesClass(LocationAttachment::class)]
+#[UsesClass(InlineKeyboardAttachment::class)]
+#[UsesClass(KeyboardPayload::class)]
 final class ModelFactoryTest extends TestCase
 {
     private ModelFactory $factory;
@@ -540,6 +571,7 @@ final class ModelFactoryTest extends TestCase
                         'description' => null,
                         'image_url' => null,
                     ],
+                    ['type' => 'image', 'payload' => ['photo_id' => 1, 'token' => 't', 'url' => 'u']]
                 ],
                 'markup' => null,
             ],
@@ -548,17 +580,21 @@ final class ModelFactoryTest extends TestCase
         ];
 
         $message = $this->factory->createMessage($rawData);
+        $attachments = $message->body->attachments;
 
         $this->assertInstanceOf(Message::class, $message);
         $this->assertInstanceOf(MessageBody::class, $message->body);
-        $this->assertIsArray($message->body->attachments);
-        $this->assertCount(2, $message->body->attachments);
+        $this->assertIsArray($attachments);
+        $this->assertCount(3, $attachments);
 
-        $this->assertInstanceOf(DataAttachment::class, $message->body->attachments[0]);
-        $this->assertSame('payload_from_reply_button', $message->body->attachments[0]->data);
+        $this->assertInstanceOf(DataAttachment::class, $attachments[0]);
+        $this->assertSame('payload_from_reply_button', $attachments[0]->data);
 
         $this->assertInstanceOf(ShareAttachment::class, $message->body->attachments[1]);
-        $this->assertSame('Test Share', $message->body->attachments[1]->title);
+        $this->assertSame('Test Share', $attachments[1]->title);
+
+        $this->assertInstanceOf(PhotoAttachment::class, $attachments[2]);
+        $this->assertSame(1, $attachments[2]->payload->photoId);
     }
 
     #[Test]
@@ -598,4 +634,158 @@ final class ModelFactoryTest extends TestCase
 
         $this->factory->createMarkupElement(['type' => 'brand_new_unsupported_type']);
     }
+
+    #[Test]
+    public function createAttachmentCorrectlyHydratesReplyKeyboard(): void
+    {
+        $data = [
+            'type' => 'reply_keyboard',
+            'buttons' => [
+                [['type' => 'message', 'text' => 'Hello']],
+                [['type' => 'user_contact', 'text' => 'My Contact']]
+            ]
+        ];
+
+        $attachment = $this->factory->createAttachment($data);
+
+        $this->assertInstanceOf(ReplyKeyboardAttachment::class, $attachment);
+        $this->assertCount(2, $attachment->buttons);
+        $this->assertInstanceOf(SendMessageButton::class, $attachment->buttons[0][0]);
+        $this->assertInstanceOf(SendContactButton::class, $attachment->buttons[1][0]);
+        $this->assertSame('My Contact', $attachment->buttons[1][0]->text);
+    }
+
+    #[Test]
+    public function createReplyButtonThrowsExceptionForUnknownType(): void
+    {
+        $this->expectException(LogicException::class);
+        $this->expectExceptionMessage('Unknown or unsupported reply button type: new_fancy_button');
+
+        $this->factory->createReplyButton(['type' => 'new_fancy_button']);
+    }
+
+    /**
+     * Data provider for successful inline button creation.
+     * @return array<string, array{0: array<string, mixed>, 1: class-string}>
+     */
+    public static function inlineButtonProvider(): array
+    {
+        return [
+            'CallbackButton' => [
+                ['type' => 'callback', 'text' => 'Press', 'payload' => 'p'],
+                CallbackButton::class,
+            ],
+            'LinkButton' => [
+                ['type' => 'link', 'text' => 'Visit', 'url' => 'https://a.com'],
+                LinkButton::class,
+            ],
+            'RequestContactButton' => [
+                ['type' => 'request_contact', 'text' => 'Share Contact'],
+                RequestContactButton::class,
+            ],
+            'RequestGeoLocationButton' => [
+                ['type' => 'request_geo_location', 'text' => 'Share Location', 'quick' => false],
+                RequestGeoLocationButton::class,
+            ],
+            'ChatButton' => [
+                ['type' => 'chat', 'text' => 'Join Chat', 'chat_title' => 'My Chat'],
+                ChatButton::class,
+            ],
+        ];
+    }
+
+    #[Test]
+    #[DataProvider('inlineButtonProvider')]
+    public function createInlineButtonSuccessfully(array $data, string $expectedClass): void
+    {
+        $button = $this->factory->createInlineButton($data);
+
+        $this->assertInstanceOf($expectedClass, $button);
+        $this->assertSame($data['text'], $button->text);
+    }
+
+    /**
+     * Data provider for invalid inline button data.
+     * @return array<string, array{0: array<string, mixed>, 1: string}>
+     */
+    public static function invalidInlineButtonProvider(): array
+    {
+        return [
+            'unknown type' => [
+                ['type' => 'unknown_button_type', 'text' => 'Unknown'],
+                'Unknown or unsupported inline button type: unknown_button_type',
+            ],
+            'missing type' => [
+                ['text' => 'No type here'],
+                'Unknown or unsupported inline button type: none',
+            ],
+        ];
+    }
+
+    #[Test]
+    #[DataProvider('invalidInlineButtonProvider')]
+    public function createInlineButtonThrowsExceptionForInvalidType(array $invalidData, string $expectedMessage): void
+    {
+        $this->expectException(LogicException::class);
+        $this->expectExceptionMessage($expectedMessage);
+
+        $this->factory->createInlineButton($invalidData);
+    }
+
+    /**
+     * Data provider for testing various attachment types in createAttachment.
+     * @return array<string, array{0: array<string, mixed>, 1: class-string, 2: callable}>
+     */
+    public static function attachmentTypeProvider(): array
+    {
+        return [
+            'Data Attachment' => [
+                ['type' => 'data', 'data' => 'test_payload'],
+                DataAttachment::class,
+                function (TestCase $test, DataAttachment $attachment) {
+                    $test->assertSame('test_payload', $attachment->data);
+                }
+            ],
+
+            'Location Attachment' => [
+                ['type' => 'location', 'latitude' => 55.751244, 'longitude' => 37.618423],
+                LocationAttachment::class,
+                function (TestCase $test, LocationAttachment $attachment) {
+                    $test->assertSame(55.751244, $attachment->latitude);
+                }
+            ],
+
+            'Inline Keyboard Attachment' => [
+                [
+                    'type' => 'inline_keyboard',
+                    'payload' => [
+                        'buttons' => [
+                            [['type' => 'callback', 'text' => 'Test', 'payload' => 'p']]
+                        ]
+                    ]
+                ],
+                InlineKeyboardAttachment::class,
+                function (TestCase $test, InlineKeyboardAttachment $attachment) {
+                    $test->assertInstanceOf(KeyboardPayload::class, $attachment->payload);
+                    $test->assertIsArray($attachment->payload->buttons);
+                    $test->assertInstanceOf(CallbackButton::class, $attachment->payload->buttons[0][0]);
+                    $test->assertSame('p', $attachment->payload->buttons[0][0]->payload);
+                }
+            ],
+        ];
+    }
+
+    #[Test]
+    #[DataProvider('attachmentTypeProvider')]
+    public function createAttachmentSuccessfullyCreatesVariousTypes(
+        array $data,
+        string $expectedClass,
+        callable $assertionCallback,
+    ): void {
+        $attachment = $this->factory->createAttachment($data);
+
+        $this->assertInstanceOf($expectedClass, $attachment);
+
+        $assertionCallback($this, $attachment);
+    }
 }
diff --git a/tests/Models/AbstractModelMappingTest.php b/tests/Models/AbstractModelMappingTest.php
index dc2ac1c..5c41cfd 100644
--- a/tests/Models/AbstractModelMappingTest.php
+++ b/tests/Models/AbstractModelMappingTest.php
@@ -7,9 +7,11 @@ namespace BushlanovDev\MaxMessengerBot\Tests\Models;
 use BushlanovDev\MaxMessengerBot\Attributes\ArrayOf;
 use BushlanovDev\MaxMessengerBot\Enums\UpdateType;
 use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+use DateTimeInterface;
 use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
+use ReflectionClass;
 use stdClass;
 
 #[CoversClass(AbstractModel::class)]
@@ -176,6 +178,30 @@ final class AbstractModelMappingTest extends TestCase
         $this->assertEquals($expectedArray, $resultArray);
         $this->assertArrayNotHasKey('uninitialized_prop', $resultArray);
     }
+
+    #[Test]
+    public function castValueReturnsValueAsIsForUnmanagedScalarAssignedToObjectType(): void
+    {
+        $dateString = '2025-08-26';
+
+        $reflectionClass = new ReflectionClass(ModelForUnmanagedType::class);
+        $abstractModelReflection = $reflectionClass->getParentClass();
+        $castValueMethod = $abstractModelReflection->getMethod('castValue');
+        $castValueMethod->setAccessible(true);
+
+        $property = $reflectionClass->getProperty('eventDate');
+
+        $result = $castValueMethod->invoke(null, $dateString, $property);
+
+        $this->assertSame($dateString, $result);
+    }
+}
+
+final readonly class ModelForUnmanagedType extends AbstractModel
+{
+    public function __construct(public DateTimeInterface $eventDate)
+    {
+    }
 }
 
 final readonly class DummyModelForUninitializedProperty extends AbstractModel
diff --git a/tests/Models/Attachments/AudioAttachmentTest.php b/tests/Models/Attachments/AudioAttachmentTest.php
new file mode 100644
index 0000000..b796f70
--- /dev/null
+++ b/tests/Models/Attachments/AudioAttachmentTest.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\AudioAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\MediaAttachmentPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(AudioAttachment::class)]
+#[UsesClass(MediaAttachmentPayload::class)]
+final class AudioAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = ['type' => 'audio', 'payload' => ['url' => 'u', 'token' => 't'], 'transcription' => 'Hello world.'];
+        $attachment = AudioAttachment::fromArray($data);
+        $this->assertInstanceOf(AudioAttachment::class, $attachment);
+        $this->assertSame('Hello world.', $attachment->transcription);
+    }
+}
diff --git a/tests/Models/Attachments/ContactAttachmentTest.php b/tests/Models/Attachments/ContactAttachmentTest.php
new file mode 100644
index 0000000..4c0b150
--- /dev/null
+++ b/tests/Models/Attachments/ContactAttachmentTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\ContactAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\ContactAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\User;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(ContactAttachment::class)]
+#[UsesClass(ContactAttachmentPayload::class)]
+#[UsesClass(User::class)]
+final class ContactAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = ['type' => 'contact', 'payload' => ['vcf_info' => 'vcf', 'max_info' => null]];
+        $attachment = ContactAttachment::fromArray($data);
+        $this->assertInstanceOf(ContactAttachment::class, $attachment);
+        $this->assertSame('vcf', $attachment->payload->vcfInfo);
+    }
+}
diff --git a/tests/Models/Attachments/FileAttachmentTest.php b/tests/Models/Attachments/FileAttachmentTest.php
new file mode 100644
index 0000000..b8357e5
--- /dev/null
+++ b/tests/Models/Attachments/FileAttachmentTest.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\FileAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\FileAttachmentPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(FileAttachment::class)]
+#[UsesClass(FileAttachmentPayload::class)]
+final class FileAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = [
+            'type' => 'file',
+            'payload' => ['url' => 'u', 'token' => 't'],
+            'filename' => 'doc.pdf',
+            'size' => 1024,
+        ];
+        $attachment = FileAttachment::fromArray($data);
+        $this->assertInstanceOf(FileAttachment::class, $attachment);
+        $this->assertSame('doc.pdf', $attachment->filename);
+        $this->assertSame(1024, $attachment->size);
+    }
+}
diff --git a/tests/Models/Attachments/InlineKeyboardAttachmentTest.php b/tests/Models/Attachments/InlineKeyboardAttachmentTest.php
new file mode 100644
index 0000000..ac7b953
--- /dev/null
+++ b/tests/Models/Attachments/InlineKeyboardAttachmentTest.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\CallbackButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\InlineKeyboardAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\KeyboardPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(InlineKeyboardAttachment::class)]
+#[UsesClass(KeyboardPayload::class)]
+#[UsesClass(CallbackButton::class)]
+final class InlineKeyboardAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = [
+            'type' => 'inline_keyboard',
+            'payload' => ['buttons' => [[['type' => 'callback', 'text' => 'Press', 'payload' => 'p']]]],
+        ];
+        $attachment = InlineKeyboardAttachment::fromArray($data);
+        $this->assertInstanceOf(InlineKeyboardAttachment::class, $attachment);
+        $this->assertInstanceOf(KeyboardPayload::class, $attachment->payload);
+        $this->assertCount(1, $attachment->payload->buttons);
+    }
+}
diff --git a/tests/Models/Attachments/LocationAttachmentTest.php b/tests/Models/Attachments/LocationAttachmentTest.php
new file mode 100644
index 0000000..a381ab5
--- /dev/null
+++ b/tests/Models/Attachments/LocationAttachmentTest.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\LocationAttachment;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(LocationAttachment::class)]
+final class LocationAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = ['type' => 'location', 'latitude' => 55.75, 'longitude' => 37.61];
+        $attachment = LocationAttachment::fromArray($data);
+        $this->assertInstanceOf(LocationAttachment::class, $attachment);
+        $this->assertSame(55.75, $attachment->latitude);
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/ContactAttachmentPayloadTest.php b/tests/Models/Attachments/Payloads/ContactAttachmentPayloadTest.php
new file mode 100644
index 0000000..456d2b8
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/ContactAttachmentPayloadTest.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\ContactAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\User;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(ContactAttachmentPayload::class)]
+#[UsesClass(User::class)]
+final class ContactAttachmentPayloadTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $user = User::fromArray(
+            ['user_id' => 101, 'first_name' => 'MaxUser', 'is_bot' => false, 'last_activity_time' => time()]
+        );
+        $payload = new ContactAttachmentPayload('vcf_info_string', $user);
+        $this->assertSame('vcf_info_string', $payload->vcfInfo);
+        $this->assertSame($user, $payload->maxInfo);
+        $this->assertEquals(['vcf_info' => 'vcf_info_string', 'max_info' => $user->toArray()], $payload->toArray());
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/FileAttachmentPayloadTest.php b/tests/Models/Attachments/Payloads/FileAttachmentPayloadTest.php
new file mode 100644
index 0000000..8b98366
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/FileAttachmentPayloadTest.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\FileAttachmentPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(FileAttachmentPayload::class)]
+final class FileAttachmentPayloadTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $payload = new FileAttachmentPayload('https://example.com/doc.pdf', 'file_token_456');
+        $this->assertSame('https://example.com/doc.pdf', $payload->url);
+        $this->assertSame('file_token_456', $payload->token);
+        $this->assertEquals(['url' => 'https://example.com/doc.pdf', 'token' => 'file_token_456'], $payload->toArray());
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/KeyboardPayloadTest.php b/tests/Models/Attachments/Payloads/KeyboardPayloadTest.php
new file mode 100644
index 0000000..53bde72
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/KeyboardPayloadTest.php
@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\ModelFactory;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\AbstractAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\AbstractInlineButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\CallbackButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Inline\LinkButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\InlineKeyboardAttachment;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\KeyboardPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(KeyboardPayload::class)]
+#[UsesClass(ModelFactory::class)]
+#[UsesClass(AbstractAttachment::class)]
+#[UsesClass(AbstractInlineButton::class)]
+#[UsesClass(CallbackButton::class)]
+#[UsesClass(LinkButton::class)]
+#[UsesClass(InlineKeyboardAttachment::class)]
+final class KeyboardPayloadTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArrayViaFactory(): void
+    {
+        $data = [
+            'type' => 'inline_keyboard',
+            'payload' => [
+                'buttons' => [
+                    [
+                        ['type' => 'callback', 'text' => 'Press Me', 'payload' => 'payload_123'],
+                    ],
+                    [
+                        ['type' => 'link', 'text' => 'Docs', 'url' => 'https://dev.max.ru'],
+                        ['type' => 'callback', 'text' => 'Cancel', 'payload' => 'cancel_op'],
+                    ],
+                ]
+            ]
+        ];
+
+        $factory = new ModelFactory();
+        $attachment = $factory->createAttachment($data);
+
+        $this->assertInstanceOf(InlineKeyboardAttachment::class, $attachment);
+        $this->assertInstanceOf(KeyboardPayload::class, $attachment->payload);
+
+        $buttons = $attachment->payload->buttons;
+        $this->assertCount(2, $buttons);
+
+        $this->assertCount(1, $buttons[0]);
+        $this->assertInstanceOf(CallbackButton::class, $buttons[0][0]);
+        $this->assertSame('payload_123', $buttons[0][0]->payload);
+
+        $this->assertCount(2, $buttons[1]);
+        $this->assertInstanceOf(LinkButton::class, $buttons[1][0]);
+        $this->assertSame('https://dev.max.ru', $buttons[1][0]->url);
+        $this->assertInstanceOf(CallbackButton::class, $buttons[1][1]);
+        $this->assertSame('cancel_op', $buttons[1][1]->payload);
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/MediaAttachmentPayloadTest.php b/tests/Models/Attachments/Payloads/MediaAttachmentPayloadTest.php
new file mode 100644
index 0000000..27a4524
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/MediaAttachmentPayloadTest.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\MediaAttachmentPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(MediaAttachmentPayload::class)]
+final class MediaAttachmentPayloadTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $payload = new MediaAttachmentPayload('https://example.com/video.mp4', 'video_token_123');
+        $this->assertSame('https://example.com/video.mp4', $payload->url);
+        $this->assertSame('video_token_123', $payload->token);
+        $this->assertEquals(
+            ['url' => 'https://example.com/video.mp4', 'token' => 'video_token_123'],
+            $payload->toArray(),
+        );
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/PhotoAttachmentPayloadTest.php b/tests/Models/Attachments/Payloads/PhotoAttachmentPayloadTest.php
index b374086..7e10cde 100644
--- a/tests/Models/Attachments/Payloads/PhotoAttachmentPayloadTest.php
+++ b/tests/Models/Attachments/Payloads/PhotoAttachmentPayloadTest.php
@@ -4,105 +4,33 @@ declare(strict_types=1);
 
 namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
 
-use BushlanovDev\MaxMessengerBot\Attributes\ArrayOf;
-use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentRequestPayload;
-use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoToken;
-use InvalidArgumentException;
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentPayload;
 use PHPUnit\Framework\Attributes\CoversClass;
-use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\Attributes\UsesClass;
 use PHPUnit\Framework\TestCase;
 
-#[CoversClass(PhotoAttachmentRequestPayload::class)]
-#[UsesClass(PhotoToken::class)]
-#[UsesClass(ArrayOf::class)]
+#[CoversClass(PhotoAttachmentPayload::class)]
+#[UsesClass(AbstractModel::class)]
 final class PhotoAttachmentPayloadTest extends TestCase
 {
     #[Test]
-    public function canBeCreatedWithUrlOnly(): void
+    public function canBeCreatedAndSerialized(): void
     {
-        $payload = new PhotoAttachmentRequestPayload(url: 'https://example.com/photo.jpg');
-
-        $this->assertSame('https://example.com/photo.jpg', $payload->url);
-        $this->assertNull($payload->token);
-        $this->assertNull($payload->photos);
-
-        $expectedArray = [
-            'url' => 'https://example.com/photo.jpg',
-            'token' => null,
-            'photos' => null,
+        $data = [
+            'photo_id' => 987654321,
+            'token' => 'some_received_photo_token',
+            'url' => 'https://cdn.max.ru/photos/image.jpg'
         ];
-        $this->assertEquals($expectedArray, $payload->toArray());
-    }
 
-    #[Test]
-    public function canBeCreatedWithTokenOnly(): void
-    {
-        $payload = new PhotoAttachmentRequestPayload(token: 'uploaded_token_abc');
+        $payload = PhotoAttachmentPayload::fromArray($data);
 
-        $this->assertSame('uploaded_token_abc', $payload->token);
-        $this->assertNull($payload->url);
-        $this->assertNull($payload->photos);
+        $this->assertInstanceOf(PhotoAttachmentPayload::class, $payload);
+        $this->assertSame(987654321, $payload->photoId);
+        $this->assertSame('some_received_photo_token', $payload->token);
+        $this->assertSame('https://cdn.max.ru/photos/image.jpg', $payload->url);
 
-        $expectedArray = [
-            'token' => 'uploaded_token_abc',
-            'url' => null,
-            'photos' => null,
-        ];
-        $this->assertEquals($expectedArray, $payload->toArray());
-    }
-
-    #[Test]
-    public function canBeCreatedWithPhotosOnly(): void
-    {
-        $photos = [
-            new PhotoToken('token_1'),
-            new PhotoToken('token_2'),
-        ];
-        $payload = new PhotoAttachmentRequestPayload(photos: $photos);
-
-        $this->assertSame($photos, $payload->photos);
-        $this->assertNull($payload->url);
-        $this->assertNull($payload->token);
-
-        $expectedArray = [
-            'photos' => [
-                ['token' => 'token_1'],
-                ['token' => 'token_2'],
-            ],
-            'url' => null,
-            'token' => null,
-        ];
-        $this->assertEquals($expectedArray, $payload->toArray());
-    }
-
-    /**
-     * Data provider for invalid constructor arguments.
-     *
-     * @return array<string, array{0: string|null, 1: string|null, 2: array|null}>
-     */
-    public static function invalidPayloadProvider(): array
-    {
-        return [
-            'all null (no arguments)' => [null, null, null],
-            'url and token provided' => ['https://a.com', 'token123', null],
-            'url and photos provided' => ['https://a.com', null, [new PhotoToken('t')]],
-            'token and photos provided' => [null, 'token123', [new PhotoToken('t')]],
-            'all three arguments provided' => ['https://a.com', 'token123', [new PhotoToken('t')]],
-        ];
-    }
-
-    #[Test]
-    #[DataProvider('invalidPayloadProvider')]
-    public function constructorThrowsExceptionForInvalidArguments(
-        ?string $url,
-        ?string $token,
-        ?array $photos
-    ): void {
-        $this->expectException(InvalidArgumentException::class);
-        $this->expectExceptionMessage('Provide exactly one of "url", "token", or "photos" for PhotoAttachmentRequestPayload.');
-
-        new PhotoAttachmentRequestPayload($url, $token, $photos);
+        $this->assertEquals($data, $payload->toArray());
     }
 }
diff --git a/tests/Models/Attachments/Payloads/StickerAttachmentPayloadTest.php b/tests/Models/Attachments/Payloads/StickerAttachmentPayloadTest.php
new file mode 100644
index 0000000..a931767
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/StickerAttachmentPayloadTest.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\StickerAttachmentPayload;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(StickerAttachmentPayload::class)]
+final class StickerAttachmentPayloadTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $payload = new StickerAttachmentPayload('https://example.com/sticker.webp', 'sticker_code_abc');
+        $this->assertSame('https://example.com/sticker.webp', $payload->url);
+        $this->assertSame('sticker_code_abc', $payload->code);
+        $this->assertEquals(
+            ['url' => 'https://example.com/sticker.webp', 'code' => 'sticker_code_abc'],
+            $payload->toArray(),
+        );
+    }
+}
diff --git a/tests/Models/Attachments/Payloads/VideoThumbnailTest.php b/tests/Models/Attachments/Payloads/VideoThumbnailTest.php
new file mode 100644
index 0000000..f728764
--- /dev/null
+++ b/tests/Models/Attachments/Payloads/VideoThumbnailTest.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments\Payloads;
+
+use BushlanovDev\MaxMessengerBot\Models\AbstractModel;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\VideoThumbnail;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(VideoThumbnail::class)]
+#[UsesClass(AbstractModel::class)]
+final class VideoThumbnailTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $data = [
+            'url' => 'https://example.com/video_thumbnail.jpg',
+        ];
+
+        $thumbnail = VideoThumbnail::fromArray($data);
+
+        $this->assertInstanceOf(VideoThumbnail::class, $thumbnail);
+        $this->assertSame('https://example.com/video_thumbnail.jpg', $thumbnail->url);
+
+        $this->assertEquals($data, $thumbnail->toArray());
+
+        $directInstance = new VideoThumbnail('https://example.com/video_thumbnail.jpg');
+        $this->assertSame('https://example.com/video_thumbnail.jpg', $directInstance->url);
+    }
+}
diff --git a/tests/Models/Attachments/PhotoAttachmentTest.php b/tests/Models/Attachments/PhotoAttachmentTest.php
new file mode 100644
index 0000000..9ea5662
--- /dev/null
+++ b/tests/Models/Attachments/PhotoAttachmentTest.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\PhotoAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\PhotoAttachment;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(PhotoAttachment::class)]
+#[UsesClass(PhotoAttachmentPayload::class)]
+final class PhotoAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = ['type' => 'image', 'payload' => ['photo_id' => 1, 'token' => 't', 'url' => 'u']];
+        $attachment = PhotoAttachment::fromArray($data);
+        $this->assertInstanceOf(PhotoAttachment::class, $attachment);
+        $this->assertInstanceOf(PhotoAttachmentPayload::class, $attachment->payload);
+        $this->assertSame(1, $attachment->payload->photoId);
+    }
+}
diff --git a/tests/Models/Attachments/ReplyKeyboardAttachmentTest.php b/tests/Models/Attachments/ReplyKeyboardAttachmentTest.php
new file mode 100644
index 0000000..e894068
--- /dev/null
+++ b/tests/Models/Attachments/ReplyKeyboardAttachmentTest.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\ModelFactory;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\AbstractReplyButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendContactButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Buttons\Reply\SendMessageButton;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\ReplyKeyboardAttachment;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(ReplyKeyboardAttachment::class)]
+#[UsesClass(AbstractReplyButton::class)]
+#[UsesClass(SendContactButton::class)]
+#[UsesClass(SendMessageButton::class)]
+#[UsesClass(ModelFactory::class)]
+final class ReplyKeyboardAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArrayViaFactory(): void
+    {
+        $data = [
+            'type' => 'reply_keyboard',
+            'buttons' => [
+                [['type' => 'message', 'text' => 'Hello']],
+                [['type' => 'user_contact', 'text' => 'My Contact']]
+            ]
+        ];
+
+        $factory = new ModelFactory();
+        $attachment = $factory->createAttachment($data);
+
+        $this->assertInstanceOf(ReplyKeyboardAttachment::class, $attachment);
+        $this->assertCount(2, $attachment->buttons);
+        $this->assertInstanceOf(SendContactButton::class, $attachment->buttons[1][0]);
+        $this->assertSame('My Contact', $attachment->buttons[1][0]->text);
+    }
+}
diff --git a/tests/Models/Attachments/StickerAttachmentTest.php b/tests/Models/Attachments/StickerAttachmentTest.php
new file mode 100644
index 0000000..52489c3
--- /dev/null
+++ b/tests/Models/Attachments/StickerAttachmentTest.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\StickerAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\StickerAttachment;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(StickerAttachment::class)]
+#[UsesClass(StickerAttachmentPayload::class)]
+final class StickerAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = ['type' => 'sticker', 'payload' => ['url' => 'u', 'code' => 'c'], 'width' => 128, 'height' => 128];
+        $attachment = StickerAttachment::fromArray($data);
+        $this->assertInstanceOf(StickerAttachment::class, $attachment);
+        $this->assertSame(128, $attachment->width);
+        $this->assertSame('c', $attachment->payload->code);
+    }
+}
diff --git a/tests/Models/Attachments/VideoAttachmentTest.php b/tests/Models/Attachments/VideoAttachmentTest.php
new file mode 100644
index 0000000..e58b54d
--- /dev/null
+++ b/tests/Models/Attachments/VideoAttachmentTest.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models\Attachments;
+
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\MediaAttachmentPayload;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\Payloads\VideoThumbnail;
+use BushlanovDev\MaxMessengerBot\Models\Attachments\VideoAttachment;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\UsesClass;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(VideoAttachment::class)]
+#[UsesClass(MediaAttachmentPayload::class)]
+#[UsesClass(VideoThumbnail::class)]
+final class VideoAttachmentTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedFromArray(): void
+    {
+        $data = [
+            'type' => 'video',
+            'payload' => ['url' => 'u', 'token' => 't'],
+            'thumbnail' => ['url' => 'thumb_url'],
+            'width' => 1920,
+            'height' => 1080,
+            'duration' => 120,
+        ];
+        $attachment = VideoAttachment::fromArray($data);
+        $this->assertInstanceOf(VideoAttachment::class, $attachment);
+        $this->assertInstanceOf(MediaAttachmentPayload::class, $attachment->payload);
+        $this->assertInstanceOf(VideoThumbnail::class, $attachment->thumbnail);
+        $this->assertSame(120, $attachment->duration);
+    }
+}
diff --git a/tests/Models/MessageStatTest.php b/tests/Models/MessageStatTest.php
new file mode 100644
index 0000000..f9ac4cb
--- /dev/null
+++ b/tests/Models/MessageStatTest.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BushlanovDev\MaxMessengerBot\Tests\Models;
+
+use BushlanovDev\MaxMessengerBot\Models\MessageStat;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+
+#[CoversClass(MessageStat::class)]
+final class MessageStatTest extends TestCase
+{
+    #[Test]
+    public function canBeCreatedAndSerialized(): void
+    {
+        $data = ['views' => 1234];
+        $stat = MessageStat::fromArray($data);
+
+        $this->assertInstanceOf(MessageStat::class, $stat);
+        $this->assertSame(1234, $stat->views);
+        $this->assertEquals($data, $stat->toArray());
+    }
+}
diff --git a/tests/Models/MessageTest.php b/tests/Models/MessageTest.php
index ae9949d..2c60154 100644
--- a/tests/Models/MessageTest.php
+++ b/tests/Models/MessageTest.php
@@ -7,6 +7,7 @@ namespace BushlanovDev\MaxMessengerBot\Tests\Models;
 use BushlanovDev\MaxMessengerBot\Models\LinkedMessage;
 use BushlanovDev\MaxMessengerBot\Models\Message;
 use BushlanovDev\MaxMessengerBot\Models\MessageBody;
+use BushlanovDev\MaxMessengerBot\Models\MessageStat;
 use BushlanovDev\MaxMessengerBot\Models\Recipient;
 use BushlanovDev\MaxMessengerBot\Models\User;
 use PHPUnit\Framework\Attributes\CoversClass;
@@ -19,6 +20,7 @@ use PHPUnit\Framework\TestCase;
 #[UsesClass(Recipient::class)]
 #[UsesClass(User::class)]
 #[UsesClass(LinkedMessage::class)]
+#[UsesClass(MessageStat::class)]
 final class MessageTest extends TestCase
 {
     #[Test]
@@ -59,6 +61,9 @@ final class MessageTest extends TestCase
                 'sender' => null,
                 'chat_id' => null,
             ],
+            'stat' => [
+                'views' => 500,
+            ],
         ];
 
         $message = Message::fromArray($data);
@@ -69,6 +74,8 @@ final class MessageTest extends TestCase
         $this->assertInstanceOf(Recipient::class, $message->recipient);
         $this->assertInstanceOf(User::class, $message->sender);
         $this->assertSame($data['url'], $message->url);
+        $this->assertInstanceOf(MessageStat::class, $message->stat);
+        $this->assertSame(500, $message->stat->views);
 
         $array = $message->toArray();
 
diff --git a/tests/WebhookHandlerTest.php b/tests/WebhookHandlerTest.php
index 05a523d..cc601ee 100644
--- a/tests/WebhookHandlerTest.php
+++ b/tests/WebhookHandlerTest.php
@@ -84,6 +84,7 @@ final class WebhookHandlerTest extends TestCase
             null,
             null,
             null,
+            null,
         );
 
         return new MessageCreatedUpdate(