diff --git a/grafana_dashboards/builder.py b/grafana_dashboards/builder.py
index 50d5c78..35b9f79 100644
--- a/grafana_dashboards/builder.py
+++ b/grafana_dashboards/builder.py
@@ -29,7 +29,8 @@ class Builder(object):
             config.get('cache', 'cachedir'),
             config.getboolean('cache', 'enabled'))
         self.grafana = Grafana(
-            config.get('grafana', 'apikey'), config.get('grafana', 'url'))
+            url=config.get('grafana', 'url'),
+            key=config.get('grafana', 'apikey'))
         self.parser = YamlParser()
 
     def delete_dashboard(self, path):
diff --git a/grafana_dashboards/grafana/__init__.py b/grafana_dashboards/grafana/__init__.py
index 4020e32..744a968 100644
--- a/grafana_dashboards/grafana/__init__.py
+++ b/grafana_dashboards/grafana/__init__.py
@@ -33,8 +33,10 @@ class Grafana(object):
         :type key: str
 
         """
+        self.server = url
+        self.auth = None
 
-        base_url = urljoin(url, 'api/dashboards/db/')
+        base_url = urljoin(self.server, 'api/dashboards/db/')
         session = requests.Session()
         session.headers.update({
             'Content-Type': 'application/json',
@@ -42,8 +44,7 @@ class Grafana(object):
         # NOTE(pabelanger): Grafana 2.1.0 added basic auth support so now the
         # api key is optional.
         if key:
-            session.headers.update({
-                'Authorization': 'Bearer %s' % key,
-            })
+            self.auth = {'Authorization': 'Bearer %s' % key}
+            session.headers.update(self.auth)
 
         self.dashboard = Dashboard(base_url, session)
diff --git a/tests/test_builder.py b/tests/test_builder.py
index 81417e0..43366e6 100644
--- a/tests/test_builder.py
+++ b/tests/test_builder.py
@@ -39,6 +39,11 @@ class TestCaseBuilder(TestCase):
         builder2.delete_dashboard(path)
         self.assertEqual(mock_grafana.call_count, 1)
 
+    def test_grafana_defaults(self):
+        self.assertEqual(
+            self.builder.grafana.server, 'http://grafana.example.org')
+        self.assertEqual(self.builder.grafana.auth, None)
+
     @mock.patch('grafana_dashboards.grafana.Dashboard.create')
     def test_update_dashboard(self, mock_grafana):
         path = os.path.join(