diff --git a/discord/abc.py b/discord/abc.py
index d2da75684..7db9fe20e 100644
--- a/discord/abc.py
+++ b/discord/abc.py
@@ -1260,9 +1260,10 @@ class GuildChannel:
         max_uses: int = 0,
         temporary: bool = False,
         unique: bool = True,
+        validate: Optional[Union[Invite, str]],
         target_type: Optional[InviteTarget] = None,
         target_user: Optional[User] = None,
-        target_application_id: Optional[int] = None,
+        target_application: Optional[Snowflake] = None,
     ) -> Invite:
         """|coro|
 
@@ -1286,8 +1287,11 @@ class GuildChannel:
             Indicates if a unique invite URL should be created. Defaults to True.
             If this is set to ``False`` then it will return a previously created
             invite.
-        reason: Optional[:class:`str`]
-            The reason for creating this invite. Shows up on the audit log.
+        validate: Union[:class:`Invite`, :class:`str`]
+            The existing channel invite to validate and return for reuse.
+            If this invite is invalid, a new invite will be created according to the parameters and returned.
+
+            .. versionadded:: 2.0
         target_type: Optional[:class:`.InviteTarget`]
             The type of target for the voice channel invite, if any.
 
@@ -1298,11 +1302,14 @@ class GuildChannel:
 
             .. versionadded:: 2.0
 
-        target_application_id:: Optional[:class:`int`]
-            The id of the embedded application for the invite, required if `target_type` is `TargetType.embedded_application`.
+        target_application:: Optional[:class:`Application`]
+            The embedded application for the invite, required if `target_type` is `TargetType.embedded_application`.
 
             .. versionadded:: 2.0
 
+        reason: Optional[:class:`str`]
+            The reason for creating this invite. Shows up on the audit log.
+
         Raises
         -------
         ~discord.HTTPException
@@ -1323,9 +1330,10 @@ class GuildChannel:
             max_uses=max_uses,
             temporary=temporary,
             unique=unique,
+            validate=utils.resolve_invite(validate).code if validate else None,
             target_type=target_type.value if target_type else None,
             target_user_id=target_user.id if target_user else None,
-            target_application_id=target_application_id,
+            target_application_id=target_application.id if target_application else None,
         )
         return Invite.from_incomplete(data=data, state=self._state)
 
diff --git a/discord/http.py b/discord/http.py
index c636ef172..a073f91c1 100644
--- a/discord/http.py
+++ b/discord/http.py
@@ -1792,6 +1792,7 @@ class HTTPClient:
         max_uses: int = 0,
         temporary: bool = False,
         unique: bool = True,
+        validate: Optional[str] = None,
         target_type: Optional[invite.InviteTargetType] = None,
         target_user_id: Optional[Snowflake] = None,
         target_application_id: Optional[Snowflake] = None,
@@ -1799,11 +1800,12 @@ class HTTPClient:
         payload = {
             'max_age': max_age,
             'max_uses': max_uses,
+            'target_type': target_type,
             'temporary': temporary,
-            'unique': unique,
+            'validate': validate,
         }
-        if target_type:
-            payload['target_type'] = target_type
+        if unique:
+            payload['unique'] = unique
         if target_user_id:
             payload['target_user_id'] = target_user_id
         if target_application_id:
diff --git a/discord/invite.py b/discord/invite.py
index de1b844c3..ee9c8ce72 100644
--- a/discord/invite.py
+++ b/discord/invite.py
@@ -530,7 +530,7 @@ class Invite(Hashable):
 
         channel_data = data.get('channel')
         if channel_data and channel_data.get('type') == ChannelType.private.value:
-            channel_data['recipients'] = [data['inviter']] if 'inviter' in data else []
+            channel_data['recipients'] = [data['inviter']] if 'inviter' in data else []  # type: ignore
         channel = PartialInviteChannel(channel_data, state)
         channel = state.get_channel(getattr(channel, 'id', None)) or channel