diff --git a/compiler/docs/compiler.py b/compiler/docs/compiler.py
index fc8734eb..3c32e851 100644
--- a/compiler/docs/compiler.py
+++ b/compiler/docs/compiler.py
@@ -254,10 +254,11 @@ def pyrogram_api():
         """,
         contacts="""
         Contacts
-            add_contacts
+            add_contact
+            delete_contacts
+            import_contacts
             get_contacts
             get_contacts_count
-            delete_contacts
         """,
         password="""
         Password
diff --git a/pyrogram/methods/contacts/__init__.py b/pyrogram/methods/contacts/__init__.py
index 3af26f32..b542b665 100644
--- a/pyrogram/methods/contacts/__init__.py
+++ b/pyrogram/methods/contacts/__init__.py
@@ -16,16 +16,18 @@
 #  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 .add_contacts import AddContacts
+from .add_contact import AddContact
 from .delete_contacts import DeleteContacts
 from .get_contacts import GetContacts
 from .get_contacts_count import GetContactsCount
+from .import_contacts import ImportContacts
 
 
 class Contacts(
     GetContacts,
     DeleteContacts,
-    AddContacts,
-    GetContactsCount
+    ImportContacts,
+    GetContactsCount,
+    AddContact
 ):
     pass
diff --git a/pyrogram/methods/contacts/add_contact.py b/pyrogram/methods/contacts/add_contact.py
new file mode 100644
index 00000000..5d00253b
--- /dev/null
+++ b/pyrogram/methods/contacts/add_contact.py
@@ -0,0 +1,73 @@
+#  Pyrogram - Telegram MTProto API Client Library for Python
+#  Copyright (C) 2017-2021 Dan <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
+
+from pyrogram import raw
+from pyrogram import types
+from pyrogram.scaffold import Scaffold
+
+
+class AddContact(Scaffold):
+    async def add_contact(
+        self,
+        user_id: Union[int, str],
+        first_name: str,
+        last_name: str = "",
+        phone_number: str = "",
+        share_phone_number: bool = False
+    ):
+        """Add an existing Telegram user as contact, even without a phone number.
+
+        Parameters:
+            user_id (``int`` | ``str``):
+                Unique identifier (int) or username (str) of the target user.
+
+            first_name (``str``, *optional*):
+                User's first name.
+
+            last_name (``str``, *optional*):
+                User's last name.
+
+            phone_number (``str``, *optional*):
+                User's phone number.
+
+            share_phone_number (``bool``, *optional*):
+                Whether or not to share the phone number with the user.
+                Defaults to False.
+
+        Returns:
+            :obj:`~pyrogram.types.User`: On success the user is returned.
+
+        Example:
+            .. code-block:: python
+
+                app.add_contact(12345678, "Foo")
+                app.add_contact("username", "Bar")
+        """
+        r = await self.send(
+            raw.functions.contacts.AddContact(
+                id=await self.resolve_peer(user_id),
+                first_name=first_name,
+                last_name=last_name,
+                phone=phone_number,
+                add_phone_privacy_exception=share_phone_number
+            )
+        )
+
+        return types.User._parse(self, r.users[0])
diff --git a/pyrogram/methods/contacts/delete_contacts.py b/pyrogram/methods/contacts/delete_contacts.py
index 9612c12f..6b73fa74 100644
--- a/pyrogram/methods/contacts/delete_contacts.py
+++ b/pyrogram/methods/contacts/delete_contacts.py
@@ -16,46 +16,52 @@
 #  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 List
+from typing import List, Union
 
-from pyrogram import raw
-from pyrogram.errors import PeerIdInvalid
+from pyrogram import raw, types
 from pyrogram.scaffold import Scaffold
 
 
 class DeleteContacts(Scaffold):
     async def delete_contacts(
         self,
-        ids: List[int]
-    ):
+        user_ids: Union[int, str, List[Union[int, str]]]
+    ) -> Union["types.User", List["types.User"], None]:
         """Delete contacts from your Telegram address book.
 
         Parameters:
-            ids (List of ``int``):
-                A list of unique identifiers for the target users.
-                Can be an ID (int), a username (string) or phone number (string).
+            user_ids (``int`` | ``str`` | List of ``int`` or ``str``):
+                A single user id/username o a list of user identifiers (id or username).
 
         Returns:
-            ``bool``: True on success.
+            :obj:`~pyrogram.types.User` | List of :obj:`~pyrogram.types.User` | ``None``: In case *user_ids* was an
+            integer or a string, a single User object is returned. In case *user_ids* was a list, a list of User objects
+            is returned. In case nothing changed after calling the method (for example, when deleting a non-existent
+            contact), None is returned.
 
         Example:
             .. code-block:: python
 
+                app.delete_contacts(user_id)
                 app.delete_contacts([user_id1, user_id2, user_id3])
         """
-        contacts = []
+        is_user_ids_list = isinstance(user_ids, list)
 
-        for i in ids:
-            try:
-                input_user = await self.resolve_peer(i)
-            except PeerIdInvalid:
-                continue
-            else:
-                if isinstance(input_user, raw.types.InputPeerUser):
-                    contacts.append(input_user)
+        if not is_user_ids_list:
+            user_ids = [user_ids]
 
-        return await self.send(
+        r = await self.send(
             raw.functions.contacts.DeleteContacts(
-                id=contacts
+                id=[await self.resolve_peer(i) for i in user_ids]
             )
         )
+
+        if not r.updates:
+            return None
+
+        users = types.List([types.User._parse(self, i) for i in r.users])
+
+        if is_user_ids_list:
+            return users
+        else:
+            return users[0]
diff --git a/pyrogram/methods/contacts/add_contacts.py b/pyrogram/methods/contacts/import_contacts.py
similarity index 93%
rename from pyrogram/methods/contacts/add_contacts.py
rename to pyrogram/methods/contacts/import_contacts.py
index 3e41f615..92410fc1 100644
--- a/pyrogram/methods/contacts/add_contacts.py
+++ b/pyrogram/methods/contacts/import_contacts.py
@@ -23,12 +23,12 @@ from pyrogram import types
 from pyrogram.scaffold import Scaffold
 
 
-class AddContacts(Scaffold):
-    async def add_contacts(
+class ImportContacts(Scaffold):
+    async def import_contacts(
         self,
         contacts: List["types.InputPhoneContact"]
     ):
-        """Add contacts to your Telegram address book.
+        """Import contacts to your Telegram address book.
 
         Parameters:
             contacts (List of :obj:`~pyrogram.types.InputPhoneContact`):