diff --git a/pyrogram/client/methods/contacts/add_contacts.py b/pyrogram/client/methods/contacts/add_contacts.py
index c7e647b0..8e3995ac 100644
--- a/pyrogram/client/methods/contacts/add_contacts.py
+++ b/pyrogram/client/methods/contacts/add_contacts.py
@@ -34,6 +34,9 @@ class AddContacts(BaseClient):
             contacts (List of :obj:`InputPhoneContact`):
                 The contact list to be added
 
+        Returns:
+            :obj:`types.contacts.ImportedContacts`
+
         Raises:
             RPCError: In case of a Telegram RPC error.
         """
diff --git a/pyrogram/client/methods/users/__init__.py b/pyrogram/client/methods/users/__init__.py
index 20b50ce9..f30245d7 100644
--- a/pyrogram/client/methods/users/__init__.py
+++ b/pyrogram/client/methods/users/__init__.py
@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
+from .block_user import BlockUser
 from .delete_profile_photos import DeleteProfilePhotos
 from .get_me import GetMe
 from .get_profile_photos import GetProfilePhotos
@@ -24,10 +25,12 @@ from .get_user_dc import GetUserDC
 from .get_users import GetUsers
 from .iter_profile_photos import IterProfilePhotos
 from .set_profile_photo import SetProfilePhoto
+from .unblock_user import UnblockUser
 from .update_username import UpdateUsername
 
 
 class Users(
+    BlockUser,
     GetProfilePhotos,
     SetProfilePhoto,
     DeleteProfilePhotos,
@@ -36,6 +39,7 @@ class Users(
     UpdateUsername,
     GetProfilePhotosCount,
     GetUserDC,
-    IterProfilePhotos
+    IterProfilePhotos,
+    UnblockUser
 ):
     pass
diff --git a/pyrogram/client/methods/users/block_user.py b/pyrogram/client/methods/users/block_user.py
new file mode 100644
index 00000000..1b4cc31a
--- /dev/null
+++ b/pyrogram/client/methods/users/block_user.py
@@ -0,0 +1,45 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Union
+
+import pyrogram
+from pyrogram.api import functions, types
+from ...ext import BaseClient
+
+
+class BlockUser(BaseClient):
+    def block_user(
+        self,
+        user_id: Union[int, str]
+    ) -> bool:
+        """Block a user.
+
+        Returns:
+            ``bool``: True on success
+
+        Raises:
+            RPCError: In case of Telegram RPC Error.
+        """
+        return bool(
+            self.send(
+                functions.contact.Block(
+                    id=self.resolve_peer(user_id)
+                )
+            )
+        )
diff --git a/pyrogram/client/methods/users/unblock_user.py b/pyrogram/client/methods/users/unblock_user.py
new file mode 100644
index 00000000..b2212762
--- /dev/null
+++ b/pyrogram/client/methods/users/unblock_user.py
@@ -0,0 +1,45 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Union
+
+import pyrogram
+from pyrogram.api import functions, types
+from ...ext import BaseClient
+
+
+class UnblockUser(BaseClient):
+    def unblock_user(
+        self,
+        user_id: Union[int, str]
+    ) -> bool:
+        """Unblock a user.
+
+        Returns:
+            ``bool``: True on success
+
+        Raises:
+            RPCError: In case of Telegram RPC Error.
+        """
+        return bool(
+            self.send(
+                functions.contact.Unblock(
+                    id=self.resolve_peer(user_id)
+                )
+            )
+        )