diff --git a/src/Telegram/Client.php b/src/Telegram/Client.php
new file mode 100644
index 00000000..cf2d19a9
--- /dev/null
+++ b/src/Telegram/Client.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram;
+
+class Client extends \Guanguans\Notify\Foundation\Client
+{
+}
diff --git a/src/Telegram/Credential.php b/src/Telegram/Credential.php
new file mode 100644
index 00000000..8c9d6f88
--- /dev/null
+++ b/src/Telegram/Credential.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram;
+
+use Guanguans\Notify\Foundation\UriTemplateTokenCredential;
+
+class Credential extends UriTemplateTokenCredential
+{
+}
diff --git a/src/Telegram/Messages/AnimationMessage.php b/src/Telegram/Messages/AnimationMessage.php
new file mode 100644
index 00000000..465f0c44
--- /dev/null
+++ b/src/Telegram/Messages/AnimationMessage.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class AnimationMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'animation',
+        'duration',
+        'width',
+        'height',
+        'thumb',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/AudioMessage.php b/src/Telegram/Messages/AudioMessage.php
new file mode 100644
index 00000000..9af122b3
--- /dev/null
+++ b/src/Telegram/Messages/AudioMessage.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class AudioMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'audio',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'duration',
+        'performer',
+        'title',
+        'thumb',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/ChatActionMessage.php b/src/Telegram/Messages/ChatActionMessage.php
new file mode 100644
index 00000000..73beb7e5
--- /dev/null
+++ b/src/Telegram/Messages/ChatActionMessage.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class ChatActionMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'action',
+    ];
+}
diff --git a/src/Telegram/Messages/ContactMessage.php b/src/Telegram/Messages/ContactMessage.php
new file mode 100644
index 00000000..1bbac3a3
--- /dev/null
+++ b/src/Telegram/Messages/ContactMessage.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class ContactMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'phone_number',
+        'first_name',
+        'last_name',
+        'vcard',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/DiceMessage.php b/src/Telegram/Messages/DiceMessage.php
new file mode 100644
index 00000000..0a42027e
--- /dev/null
+++ b/src/Telegram/Messages/DiceMessage.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class DiceMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'emoji',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/DocumentMessage.php b/src/Telegram/Messages/DocumentMessage.php
new file mode 100644
index 00000000..b5c49591
--- /dev/null
+++ b/src/Telegram/Messages/DocumentMessage.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class DocumentMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'document',
+        'thumb',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'disable_content_type_detection',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/LocationMessage.php b/src/Telegram/Messages/LocationMessage.php
new file mode 100644
index 00000000..4c885cb4
--- /dev/null
+++ b/src/Telegram/Messages/LocationMessage.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class LocationMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'latitude',
+        'longitude',
+        'horizontal_accuracy',
+        'live_period',
+        'heading',
+        'proximity_alert_radius',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/MediaGroupMessage.php b/src/Telegram/Messages/MediaGroupMessage.php
new file mode 100644
index 00000000..43550148
--- /dev/null
+++ b/src/Telegram/Messages/MediaGroupMessage.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class MediaGroupMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'media',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+    ];
+}
diff --git a/src/Telegram/Messages/Message.php b/src/Telegram/Messages/Message.php
new file mode 100644
index 00000000..7c85dc58
--- /dev/null
+++ b/src/Telegram/Messages/Message.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+use Guanguans\Notify\Foundation\Concerns\AsJson;
+use Guanguans\Notify\Foundation\Concerns\AsPost;
+use Guanguans\Notify\Telegram\Credential;
+
+class Message extends \Guanguans\Notify\Foundation\Message
+{
+    use AsPost;
+    use AsJson;
+
+    public function httpUri()
+    {
+        return sprintf('https://api.telegram.org/bot%s/sendMessage', Credential::TEMPLATE_TOKEN);
+    }
+}
diff --git a/src/Telegram/Messages/PhotoMessage.php b/src/Telegram/Messages/PhotoMessage.php
new file mode 100644
index 00000000..791cf8a0
--- /dev/null
+++ b/src/Telegram/Messages/PhotoMessage.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class PhotoMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'photo',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'disable_web_page_preview',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/PollMessage.php b/src/Telegram/Messages/PollMessage.php
new file mode 100644
index 00000000..c547e0f8
--- /dev/null
+++ b/src/Telegram/Messages/PollMessage.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class PollMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'question',
+        'options',
+        'is_anonymous',
+        'type',
+        'allows_multiple_answers',
+        'correct_option_id',
+        'explanation',
+        'explanation_parse_mode',
+        'explanation_entities',
+        'open_period',
+        'close_date',
+        'is_closed',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/TextMessage.php b/src/Telegram/Messages/TextMessage.php
new file mode 100644
index 00000000..3041f561
--- /dev/null
+++ b/src/Telegram/Messages/TextMessage.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class TextMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'text',
+        'parse_mode',
+        'entities',
+        'disable_web_page_preview',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+
+    /**
+     * @var \string[][]
+     */
+    protected $allowedValues = [
+        'parse_mode' => ['HTML', 'Markdown', 'MarkdownV2'],
+    ];
+
+    /**
+     * @var array
+     */
+    protected $allowedTypes = [
+        'entities' => 'array',
+        'disable_web_page_preview' => 'bool',
+        'disable_notification' => 'bool',
+        'protect_content' => 'bool',
+        'allow_sending_without_reply' => 'bool',
+        'reply_markup' => 'array',
+    ];
+}
diff --git a/src/Telegram/Messages/VenueMessage.php b/src/Telegram/Messages/VenueMessage.php
new file mode 100644
index 00000000..a816d0ce
--- /dev/null
+++ b/src/Telegram/Messages/VenueMessage.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class VenueMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'latitude',
+        'longitude',
+        'title',
+        'address',
+        'foursquare_id',
+        'foursquare_type',
+        'google_place_id',
+        'google_place_type',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/VideoMessage.php b/src/Telegram/Messages/VideoMessage.php
new file mode 100644
index 00000000..f90190a6
--- /dev/null
+++ b/src/Telegram/Messages/VideoMessage.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class VideoMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'video',
+        'duration',
+        'width',
+        'height',
+        'thumb',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'supports_streaming',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/VideoNoteMessage.php b/src/Telegram/Messages/VideoNoteMessage.php
new file mode 100644
index 00000000..a19c3659
--- /dev/null
+++ b/src/Telegram/Messages/VideoNoteMessage.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class VideoNoteMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'video_note',
+        'duration',
+        'length',
+        'thumb',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}
diff --git a/src/Telegram/Messages/VoiceMessage.php b/src/Telegram/Messages/VoiceMessage.php
new file mode 100644
index 00000000..6b4d4380
--- /dev/null
+++ b/src/Telegram/Messages/VoiceMessage.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of the guanguans/notify.
+ *
+ * (c) guanguans <ityaozm@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled.
+ */
+
+namespace Guanguans\Notify\Telegram\Messages;
+
+class VoiceMessage extends Message
+{
+    /**
+     * @var string[]
+     */
+    protected $defined = [
+        'chat_id',
+        'voice',
+        'caption',
+        'parse_mode',
+        'caption_entities',
+        'duration',
+        'disable_notification',
+        'protect_content',
+        'reply_to_message_id',
+        'allow_sending_without_reply',
+        'reply_markup',
+    ];
+}