diff --git a/rmsdk/model.py b/rmsdk/model.py
index 93e0638..36ff583 100755
--- a/rmsdk/model.py
+++ b/rmsdk/model.py
@@ -4,6 +4,7 @@
 import requests
 from time import time
 from .utils import generateSignature, getNonce, orderDict
+from datetime import datetime
 
 class RMSDKModel(object):
     """The base RM SDK Model all other models will inherit.
@@ -108,7 +109,7 @@ def getSignature(self, data, method, nonceStr, requestUrl, timestamp):
 
     def getHeadersAndData(self, accessToken, requestUrl, method="post", data=None):
         nonceStr = getNonce()
-        timestamp = str(time())
+        timestamp = datetime.strftime(datetime.now(), "%s")
 
         if data is not None:
             data = json.dumps(orderDict(data), separators=(',', ':'))
@@ -116,4 +117,4 @@ def getHeadersAndData(self, accessToken, requestUrl, method="post", data=None):
         signature = self.getSignature(data, method, nonceStr, requestUrl, timestamp)
         headers = self.getHeader(accessToken, signature, nonceStr, timestamp)
 
-        return headers, data
\ No newline at end of file
+        return headers, data