diff --git a/airflow/providers/telegram/hooks/telegram.py b/airflow/providers/telegram/hooks/telegram.py
index 143574bf52252..3f7e0176b9e72 100644
--- a/airflow/providers/telegram/hooks/telegram.py
+++ b/airflow/providers/telegram/hooks/telegram.py
@@ -142,17 +142,18 @@ def send_message(self, api_params: dict) -> None:
 
         :param api_params: params for telegram_instance.send_message. It can also be used to override chat_id
         """
-        kwargs = {
-            "chat_id": self.chat_id,
+        kwargs: dict[str, int | str | bool] = {
             "parse_mode": telegram.constants.ParseMode.HTML,
             "disable_web_page_preview": True,
         }
+        if self.chat_id is not None:
+            kwargs["chat_id"] = self.chat_id
         kwargs.update(api_params)
 
         if "text" not in kwargs or kwargs["text"] is None:
             raise AirflowException("'text' must be provided for telegram message")
 
-        if kwargs["chat_id"] is None:
+        if kwargs.get("chat_id") is None:
             raise AirflowException("'chat_id' must be provided for telegram message")
 
         response = asyncio.run(self.connection.send_message(**kwargs))
diff --git a/tests/providers/telegram/hooks/test_telegram.py b/tests/providers/telegram/hooks/test_telegram.py
index 2de2df74411e7..56ee38504208f 100644
--- a/tests/providers/telegram/hooks/test_telegram.py
+++ b/tests/providers/telegram/hooks/test_telegram.py
@@ -93,21 +93,21 @@ def test_should_raise_exception_if_message_text_is_not_provided(self, mock_get_c
         hook = TelegramHook(telegram_conn_id="telegram_default")
         error_message = "'text' must be provided for telegram message"
         with pytest.raises(airflow.exceptions.AirflowException, match=error_message):
-            hook.send_message({"chat_id": -420913222})
+            hook.send_message({"chat_id": "-420913222"})
 
     @mock.patch("airflow.providers.telegram.hooks.telegram.TelegramHook.get_conn")
     def test_should_send_message_if_all_parameters_are_correctly_provided(self, mock_get_conn):
         mock_get_conn.return_value = AsyncMock(password="some_token")
 
         hook = TelegramHook(telegram_conn_id="telegram_default")
-        hook.send_message({"chat_id": -420913222, "text": "test telegram message"})
+        hook.send_message({"chat_id": "-420913222", "text": "test telegram message"})
 
         mock_get_conn.return_value.send_message.return_value = "OK."
 
         mock_get_conn.assert_called_once()
         mock_get_conn.return_value.send_message.assert_called_once_with(
             **{
-                "chat_id": -420913222,
+                "chat_id": "-420913222",
                 "parse_mode": "HTML",
                 "disable_web_page_preview": True,
                 "text": "test telegram message",
@@ -118,7 +118,7 @@ def test_should_send_message_if_all_parameters_are_correctly_provided(self, mock
     def test_should_send_message_if_chat_id_is_provided_through_constructor(self, mock_get_conn):
         mock_get_conn.return_value = AsyncMock(password="some_token")
 
-        hook = TelegramHook(telegram_conn_id="telegram_default", chat_id=-420913222)
+        hook = TelegramHook(telegram_conn_id="telegram_default", chat_id="-420913222")
         hook.send_message({"text": "test telegram message"})
 
         mock_get_conn.return_value.send_message.return_value = "OK."
@@ -126,7 +126,7 @@ def test_should_send_message_if_chat_id_is_provided_through_constructor(self, mo
         mock_get_conn.assert_called_once()
         mock_get_conn.return_value.send_message.assert_called_once_with(
             **{
-                "chat_id": -420913222,
+                "chat_id": "-420913222",
                 "parse_mode": "HTML",
                 "disable_web_page_preview": True,
                 "text": "test telegram message",
@@ -182,7 +182,7 @@ def side_effect(*args, **kwargs):
     def test_should_send_message_if_token_is_provided(self, mock_get_conn):
         mock_get_conn.return_value = AsyncMock(password="some_token")
 
-        hook = TelegramHook(token=TELEGRAM_TOKEN, chat_id=-420913222)
+        hook = TelegramHook(token=TELEGRAM_TOKEN, chat_id="-420913222")
         hook.send_message({"text": "test telegram message"})
 
         mock_get_conn.return_value.send_message.return_value = "OK."
@@ -190,7 +190,7 @@ def test_should_send_message_if_token_is_provided(self, mock_get_conn):
         mock_get_conn.assert_called_once()
         mock_get_conn.return_value.send_message.assert_called_once_with(
             **{
-                "chat_id": -420913222,
+                "chat_id": "-420913222",
                 "parse_mode": "HTML",
                 "disable_web_page_preview": True,
                 "text": "test telegram message",