diff --git a/bfxapi/websocket/BfxWebsocketClient.py b/bfxapi/websocket/BfxWebsocketClient.py
index 059ac95..3fa2281 100644
--- a/bfxapi/websocket/BfxWebsocketClient.py
+++ b/bfxapi/websocket/BfxWebsocketClient.py
@@ -4,8 +4,8 @@ from enum import Enum
 
 from pyee.asyncio import AsyncIOEventEmitter
 
+from .typings import Inputs
 from .handlers import Channels, PublicChannelsHandler, AuthenticatedChannelsHandler
-
 from .exceptions import ConnectionNotOpen, TooManySubscriptions, WebsocketAuthenticationRequired, InvalidAuthenticationCredentials, EventNotSupported, OutdatedClientVersion
 
 from ..utils.logger import Formatter, CustomLogger
@@ -225,11 +225,20 @@ class _BfxWebsocketInputs(object):
     def __init__(self, __handle_websocket_input):
         self.__handle_websocket_input = __handle_websocket_input
 
-    async def order_new(self, data):
+    async def order_new(self, data: Inputs.Order.New):
         await self.__handle_websocket_input("on", data)
 
-    async def order_update(self, data):
+    async def order_update(self, data: Inputs.Order.Update):
         await self.__handle_websocket_input("ou", data)
 
-    async def order_cancel(self, data):
-        await self.__handle_websocket_input("oc", data)
\ No newline at end of file
+    async def order_cancel(self, data: Inputs.Order.Cancel):
+        await self.__handle_websocket_input("oc", data)
+
+    async def offer_new(self, data: Inputs.Offer.New):
+        await self.__handle_websocket_input("fon", data)
+
+    async def offer_cancel(self, data: Inputs.Offer.Cancel):
+        await self.__handle_websocket_input("foc", data)
+
+    async def calc(self, *args: str):
+        await self.__handle_websocket_input("calc", list(map(lambda arg: [arg], args)))
\ No newline at end of file
diff --git a/bfxapi/websocket/typings.py b/bfxapi/websocket/typings.py
index fe4b2de..8bd5dde 100644
--- a/bfxapi/websocket/typings.py
+++ b/bfxapi/websocket/typings.py
@@ -1,4 +1,10 @@
-from typing import Type, List, Dict, TypedDict, Union, Optional
+from decimal import Decimal
+
+from datetime import datetime
+
+from typing import Type, List, Dict, TypedDict, Union, Optional, Any
+
+int16 = int32 = int45 = int64 = int
 
 JSON = Union[Dict[str, "JSON"], List["JSON"], bool, int, float, str, Type[None]]
 
@@ -292,4 +298,61 @@ BalanceInfo = TypedDict("BalanceInfo", {
     "AUM_NET": float
 })
 
+#endregion
+
+#region Type hinting for Websocket Authenticated Inputs
+
+class Inputs:
+    class Order:
+        New = TypedDict("Inputs.Order.New", {
+            "gid": Optional[int32],
+            "cid": int45,
+            "type": str,
+            "symbol": str,
+            "amount": Union[Decimal, str],
+            "price": Union[Decimal, str],
+            "lev": int,
+            "price_trailing": Union[Decimal, str],
+            "price_aux_limit": Union[Decimal, str],
+            "price_oco_stop": Union[Decimal, str],
+            "flags": int16,
+            "tif": Union[datetime, str],
+            "meta": JSON
+        })
+
+        Update = TypedDict("Inputs.Order.Update", {
+            "id": int64,
+            "cid": int45,
+            "cid_date": str,
+            "gid": int32,
+            "price": Union[Decimal, str],
+            "amount": Union[Decimal, str],
+            "lev": int,
+            "delta": Union[Decimal, str],
+            "price_aux_limit": Union[Decimal, str],
+            "price_trailing": Union[Decimal, str],
+            "flags": int16,
+            "tif": Union[datetime, str]
+        })
+
+        Cancel = TypedDict("Inputs.Order.Cancel", {
+            "id": int64,
+            "cid": int45,
+            "cid_date": str
+        })
+
+    class Offer:
+        New = TypedDict("Inputs.Offer.New", {
+            "type": str,
+            "symbol": str,
+            "amount": Union[Decimal, str],
+            "rate": Union[Decimal, str],
+            "period": int,
+            "flags": int16
+        })
+
+        Cancel = TypedDict("Inputs.Offer.Cancel", {
+            "id": int
+        })
+        
 #endregion
\ No newline at end of file