{
    "chat_id": "strings: list of chat id"
}

{
    "chat_id_is_invalid": "invalid chat_id or chat is not group or blog",
    "must_login": "user must be login",
    "user_is_not_member": "user should first follow wall",
    "you_have_already_joined_in_this_chat": "user already joined this chat"
}

• Url:

• Output:

                                {
    "status": "success",
    "time": 1526966340.437936
}