diff --git a/daemons/mailbox.py b/daemons/mailbox.py
index d3a041c..95ae3f8 100644
--- a/daemons/mailbox.py
+++ b/daemons/mailbox.py
@@ -1,3 +1,5 @@
+import pydantic
+
 from telebot import apihelper
 
 from daemons import base
@@ -5,6 +7,14 @@ from utils import platform
 from utils import queues
 
 
+class Message(pydantic.BaseModel):
+    project: str
+    name: str
+    type: str
+    body: dict
+    method: str = 'send_message'
+
+
 class Daemon(base.Daemon, queues.TasksHandlerMixin):
     def execute(self):
         self.poll()
@@ -13,18 +23,19 @@ class Daemon(base.Daemon, queues.TasksHandlerMixin):
     def queue_name(self):
         return 'botalka_mailbox'
     
-    def process(self, payload):
-        bot = platform.platform_client.get_config('bots')[payload['project']][payload['name']]
+    def process(self, payload: dict):
+        message = Message.model_validate(payload)
+        bot = platform.platform_client.get_config('bots')[message.project][message.name]
         if not bot['mailbox_enabled']:
             return
         if bot['type'] == 'telegram':
             token = bot['secrets']['telegram_token']
-            self.process_telegram(token, payload['body'])
+            self.process_telegram(token, message.method, message.body)
         else:
             print('Unknown bot type:', bot['type'])
 
-    def process_telegram(self, token, payload):
+    def process_telegram(self, token, method, payload):
         try:
-            apihelper.send_message(token, **payload)
+            getattr(apihelper, method)(token, **payload)
         except Exception as exc:
             print('Error', str(exc))
diff --git a/requirements.txt b/requirements.txt
index b20b21f..d216c75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,10 @@
+annotated-types==0.7.0
 certifi==2024.8.30
 charset-normalizer==3.4.0
 idna==3.10
+pydantic==2.10.2
+pydantic_core==2.27.1
 pyTelegramBotAPI==4.1.1
 requests==2.32.3
+typing_extensions==4.12.2
 urllib3==2.2.3