diff --git a/pydomo/__init__.py b/pydomo/__init__.py
index 7f87a3b..17ce197 100644
--- a/pydomo/__init__.py
+++ b/pydomo/__init__.py
@@ -16,6 +16,7 @@
 from pandas import to_datetime
 from io import StringIO
 import logging
+import json
 
 DOMO = """####################################################################################################
 ####################################################################################################
@@ -195,21 +196,16 @@ def ds_get(self, dataset_id):
                     df[col] = to_datetime(df[col])
                 except ValueError:
                     pass
+                except TypeError:
+                    pass
 
         return df
 
-    def ds_create(self, df_up, name, description=''):
-        dsr = DataSetRequest()
-        dsr.name = name
-        dsr.description = description
-        dsr.schema = Schema([Column(ColumnType.STRING, 'tt1'),
-                             Column(ColumnType.STRING, 'tt2')])
-
-        new_ds_info = self.datasets.create(dsr)
-
-        self.utilities.stream_upload(new_ds_info['id'],df_up,warn_schema_change=False)
-
-        return new_ds_info['id']
+    def ds_create(self, df_up, name, description='', update_method='REPLACE', key_column_names=''):
+        new_stream = self.utilities.stream_create(df_up, name, description, update_method, key_column_names)
+        ds_id = json.loads(new_stream.content.decode('utf-8'))['dataSet']['id']
+        self.utilities.stream_upload(ds_id,df_up,warn_schema_change=False)
+        return ds_id
 
 
     def ds_update(self, ds_id, df_up):
diff --git a/pydomo/utilities/UtilitiesClient.py b/pydomo/utilities/UtilitiesClient.py
index 8b2188b..a8c1bbd 100644
--- a/pydomo/utilities/UtilitiesClient.py
+++ b/pydomo/utilities/UtilitiesClient.py
@@ -2,6 +2,7 @@
 import json
 import math
 import sys
+import json
 
 from pydomo.DomoAPIClient import DomoAPIClient
 from pydomo.datasets import DataSetClient
@@ -89,4 +90,14 @@ def stream_upload(self, ds_id, df_up, warn_schema_change=True):
 
         result = self.stream.commit_execution(stream_id, exec_id)
 
-        return result
\ No newline at end of file
+        return result
+
+    def stream_create(self, up_ds, name, description, updateMethod='REPLACE', keyColumnNames=''):
+        df_schema = self.data_schema(up_ds)
+        req_body = {'dataSet': {'name': name, 'description': description, 'schema': {'columns': df_schema}}, 'updateMethod': updateMethod}
+        if( updateMethod == 'UPSERT' ):
+            req_body['keyColumnNames'] = keyColumnNames
+        # return req_body
+        st_created = self.transport.post('/v1/streams/', req_body, {})
+        return(st_created)
+        return json.loads(st_created.content.decode('utf-8'))['dataSet']['id']
\ No newline at end of file