diff --git a/daemo/__init__.py b/daemo/__init__.py
index 010cbd7..0e5192c 100644
--- a/daemo/__init__.py
+++ b/daemo/__init__.py
@@ -3,4 +3,5 @@
 More information is available at http://daemo-api-client.readthedocs.io/en/latest/
 """
 
+from .constants import *
 from .client import DaemoClient
diff --git a/daemo/client.py b/daemo/client.py
index 803be95..789681a 100644
--- a/daemo/client.py
+++ b/daemo/client.py
@@ -37,11 +37,12 @@ class DaemoClient:
     :param multi_threading: False by default, bool value to enable multi-threaded response handling
     :param host: daemo server to connect to - uses a default server if not defined
     :param is_secure: boolean flag to control if connection happen via secure mode or not
+    :param is_sandbox: boolean flag to control if tasks will be posted to sandbox instead of production system of Daemo
 
     """
 
-    def __init__(self, credentials_path='credentials.json', rerun_key=None, multi_threading=False, host=HOST,
-                 is_secure=True):
+    def __init__(self, credentials_path='credentials.json', rerun_key=None, multi_threading=False, host=None,
+                 is_secure=True, is_sandbox=False):
         
         log.info(msg="initializing client...")
         self.check_dependency(credentials_path is not None and len(credentials_path) > 0, Error.required("credentials_path"))
@@ -53,7 +54,14 @@ def __init__(self, credentials_path='credentials.json', rerun_key=None, multi_th
             self.http_proto = "https://"
             self.websock_proto = "wss://"
 
-        self.host = host
+        if is_sandbox:
+            self.host = SANDBOX
+        else:
+            self.host = PRODUCTION
+
+        if host is not None:
+            self.host = host
+
         self.credentials_path = credentials_path
         self.rerun_key = rerun_key
         self.multi_threading = multi_threading
diff --git a/daemo/constants.py b/daemo/constants.py
index 7fc5d8a..4976b73 100644
--- a/daemo/constants.py
+++ b/daemo/constants.py
@@ -1,6 +1,6 @@
 __version__ = "1.0.2"
 
-HOST = "daemo.stanford.edu"
+PRODUCTION = "daemo.stanford.edu"
 SANDBOX = "daemo-test.herokuapp.com"
 WS_BOT_SUBSCRIBE_URL = "/ws/bot?subscribe-user"
 OAUTH_TOKEN_URL = "/api/oauth2-ng/token/"