diff --git a/okx/Account.py b/okx/Account.py
index 10fd1ff..6474c02 100644
--- a/okx/Account.py
+++ b/okx/Account.py
@@ -49,9 +49,9 @@ class AccountAPI(OkxClient):
 
     # Get Bills Details (recent 3 months)
     def get_account_bills_archive(self, instType='', ccy='', mgnMode='', ctType='', type='', subType='', after='', before='',
-                          limit=''):
+                          limit='',begin='',end=''):
         params = {'instType': instType, 'ccy': ccy, 'mgnMode': mgnMode, 'ctType': ctType, 'type': type,
-                  'subType': subType, 'after': after, 'before': before, 'limit': limit}
+                  'subType': subType, 'after': after, 'before': before, 'limit': limit,'begin':begin,'end':end}
         return self._request_with_params(GET, BILLS_ARCHIVE, params)
 
     # Get Account Configuration
@@ -88,6 +88,10 @@ class AccountAPI(OkxClient):
     def get_leverage(self, instId, mgnMode):
         params = {'instId': instId, 'mgnMode': mgnMode}
         return self._request_with_params(GET, GET_LEVERAGE, params)
+    # Get instruments
+    def get_instruments(self, instType='', ugly = '',instFamily='',instId=''):
+        params = {'instType': instType, 'ugly': ugly, 'instFamily': instFamily, 'instId': instId}
+        return self._request_with_params(GET,GET_INSTRUMENTS,params)
 
     # Get the maximum loan of isolated MARGIN
     def get_max_loan(self, instId, mgnMode, mgnCcy):
diff --git a/okx/Trade.py b/okx/Trade.py
index 8e52b05..80f5fa9 100644
--- a/okx/Trade.py
+++ b/okx/Trade.py
@@ -86,9 +86,9 @@ class TradeAPI(OkxClient):
         return self._request_with_params(GET, ORDERS_HISTORY_ARCHIVE, params)
 
     # Get Transaction Details
-    def get_fills(self, instType='', uly='', instId='', ordId='', after='', before='', limit='', instFamily=''):
+    def get_fills(self, instType='', uly='', instId='', ordId='', after='', before='', limit='', instFamily='',begin='',end=''):
         params = {'instType': instType, 'uly': uly, 'instId': instId, 'ordId': ordId, 'after': after, 'before': before,
-                  'limit': limit, 'instFamily': instFamily}
+                  'limit': limit, 'instFamily': instFamily,'begin': begin, 'end' :end}
         return self._request_with_params(GET, ORDER_FILLS, params)
 
     # Place Algo Order
diff --git a/okx/__init__.py b/okx/__init__.py
index daad9a1..152ea2e 100644
--- a/okx/__init__.py
+++ b/okx/__init__.py
@@ -2,4 +2,4 @@
 Python SDK for the OKX API v5
 
 """
-__version__="0.2.9"
\ No newline at end of file
+__version__="0.3.0"
\ No newline at end of file
diff --git a/okx/consts.py b/okx/consts.py
index 76ac660..f312757 100644
--- a/okx/consts.py
+++ b/okx/consts.py
@@ -54,6 +54,7 @@ SET_RISK_OFFSET_TYPE = '/api/v5/account/set-riskOffset-type'
 SET_AUTO_LOAN = '/api/v5/account/set-auto-loan'
 ACTIVSTE_OPTION = '/api/v5/account/activate-option'
 POSITION_BUILDER = '/api/v5/account/position-builder'
+GET_INSTRUMENTS = '/api/v5/account/instruments'
 
 # funding-complete-testcomplete
 NON_TRADABLE_ASSETS = '/api/v5/asset/non-tradable-assets'
diff --git a/test/AccountTest.py b/test/AccountTest.py
index 74e8395..22f81be 100644
--- a/test/AccountTest.py
+++ b/test/AccountTest.py
@@ -23,6 +23,10 @@ class AccountTest(unittest.TestCase):
     # positions-history
     def test_get_positions_history(self):
         print(self.AccountAPI.get_positions_history())
+    def test_get_instruments(self):
+        print(self.AccountAPI.get_instruments(instType='SPOT'))
+    def test_get_account_bills_archive(self):
+        print(self.AccountAPI.get_account_bills_archive(begin='1715780962300',end='1716998400000'))
     # def test_positions_builder(self):
     #     print("Both real and virtual positions and assets are calculated")
     #     sim_pos = [{'instId': 'BTC-USDT-SWAP', 'pos': '10'}, {'instId': 'BTC-USDT-SWAP', 'pos': '10'}]
diff --git a/test/TradeTest.py b/test/TradeTest.py
index c221f50..b1be0d1 100644
--- a/test/TradeTest.py
+++ b/test/TradeTest.py
@@ -125,8 +125,8 @@ class TradeTest(unittest.TestCase):
     #     print(self.tradeApi.get_orders_history("SPOT"))
     # def test_get_order_histry_archive(self):
     #     print(self.tradeApi.orders_history_archive("SPOT"))
-    # def test_get_fills(self):
-    #     print(self.tradeApi.get_fills("SPOT"))
+    def test_get_fills(self):
+        print(self.tradeApi.get_fills(begin='1717045609000',end='1717045609100'))
     # def test_get_fills_history(self):
     #     print(self.tradeApi.get_fills_history("SPOT"))
     # def test_get_order_algo_pending(self):