diff --git a/aiogram/bot.py b/aiogram/bot.py
index 97c5e90b..6fa46a62 100644
--- a/aiogram/bot.py
+++ b/aiogram/bot.py
@@ -1,4 +1,5 @@
 import asyncio
+import json
 
 import aiohttp
 
@@ -81,12 +82,13 @@ class AIOGramBot:
         :return: 
         """
 
+        if reply_markup and hasattr(reply_markup, 'to_json'):
+            reply_markup = json.dumps(reply_markup.to_json())
+
+        if hasattr(reply_to_message_id, 'message_id'):
+            reply_to_message_id = reply_to_message_id.message_id
+
         payload = generate_payload(**locals())
-
-        if reply_markup:
-            # TODO: convert markup
-            pass
-
         message = await self.request(ApiMethods.SEND_MESSAGE, payload)
         return self.prepare_object(Message.de_json(message))
 
diff --git a/aiogram/types/force_reply.py b/aiogram/types/force_reply.py
new file mode 100644
index 00000000..182137b7
--- /dev/null
+++ b/aiogram/types/force_reply.py
@@ -0,0 +1,12 @@
+from aiogram.types import Serializable
+
+
+class ForceReply(Serializable):
+    def __init__(self, selective=None):
+        self.selective = selective
+
+    def to_json(self):
+        data = {'force_reply': True}
+        if self.selective:
+            data['selective'] = True
+        return data
diff --git a/aiogram/types/inline_keyboard.py b/aiogram/types/inline_keyboard.py
new file mode 100644
index 00000000..b5dc1f95
--- /dev/null
+++ b/aiogram/types/inline_keyboard.py
@@ -0,0 +1,45 @@
+from . import Serializable
+
+
+class InlineKeyboardMarkup(Serializable):
+    def __init__(self, row_width=3):
+        self.row_width = row_width
+
+        self.keyboard = []
+
+    def add(self, *args):
+        i = 1
+        row = []
+        for button in args:
+            row.append(button.to_json())
+            if i % self.row_width == 0:
+                self.keyboard.append(row)
+                row = []
+            i += 1
+        if len(row) > 0:
+            self.keyboard.append(row)
+
+    def row(self, *args):
+        btn_array = []
+        for button in args:
+            btn_array.append(button.to_json())
+        self.keyboard.append(btn_array)
+        return self
+
+    def to_json(self):
+        return {'inline_keyboard': self.keyboard}
+
+
+class InlineKeyboardButton(Serializable):
+    def __init__(self, text, url=None, callback_data=None, switch_inline_query=None,
+                 switch_inline_query_current_chat=None, callback_game=None, pay=None):
+        self.text = text
+        self.url = url
+        self.callback_data = callback_data
+        self.switch_inline_query = switch_inline_query
+        self.switch_inline_query_current_chat = switch_inline_query_current_chat
+        self.callback_game = callback_game
+        self.pay = pay
+
+    def to_json(self):
+        return {key: value for key, value in self.__dict__.items() if value}
diff --git a/aiogram/types/reply_keyboard.py b/aiogram/types/reply_keyboard.py
new file mode 100644
index 00000000..4f717436
--- /dev/null
+++ b/aiogram/types/reply_keyboard.py
@@ -0,0 +1,62 @@
+from . import Serializable
+
+
+class ReplyKeyboardMarkup(Serializable):
+    def __init__(self, resize_keyboard=None, one_time_keyboard=None, selective=None, row_width=3):
+        self.resize_keyboard = resize_keyboard
+        self.one_time_keyboard = one_time_keyboard
+        self.selective = selective
+        self.row_width = row_width
+
+        self.keyboard = []
+
+    def add(self, *args):
+        i = 1
+        row = []
+        for button in args:
+            if isinstance(button, str):
+                row.append({'text': button})
+            elif isinstance(button, bytes):
+                row.append({'text': button.decode('utf-8')})
+            else:
+                row.append(button.to_json())
+            if i % self.row_width == 0:
+                self.keyboard.append(row)
+                row = []
+            i += 1
+        if len(row) > 0:
+            self.keyboard.append(row)
+
+    def row(self, *args):
+        btn_array = []
+        for button in args:
+            if isinstance(button, str):
+                btn_array.append({'text': button})
+            else:
+                btn_array.append(button.to_json())
+        self.keyboard.append(btn_array)
+        return self
+
+    def to_json(self):
+        return {key: value for key, value in self.__dict__.items() if value and key != 'row_width'}
+
+
+class KeyboardButton(Serializable):
+    def __init__(self, text, request_contact=None, request_location=None):
+        self.text = text
+        self.request_contact = request_contact
+        self.request_location = request_location
+
+    def to_json(self):
+        return self.__dict__
+
+
+class ReplyKeyboardRemove(Serializable):
+    def __init__(self, selective=None):
+        self.selective = selective
+
+    def to_json(self):
+        json_dict = {'remove_keyboard': True}
+        if self.selective:
+            json_dict['selective'] = True
+        return json_dict