diff --git a/README.md b/README.md
index fdcd444..95b538d 100644
--- a/README.md
+++ b/README.md
@@ -66,3 +66,21 @@ class.
 >>> g.latlng('155 9th St San Francisco, CA')
 {'lat': 37.775002, 'lng': -122.418297}
 ```
+
+
+Specify a Mapquest endpoint if desired. This allows the Open Data endpoint to be used instead of the licensed endpoint.
+
+
+```python
+>>> import mapq
+
+>>> mapq.endpoint('http://open.mapquestapi.com/geocoding/v1')
+```
+
+Can also be set when interacting with the `Geo` class.
+
+```python
+>>> from mapq import Geo
+>>> g = Geo('my_api_key', 'http://open.mapquestapi.com/geocoding/v1')
+```
+
diff --git a/mapq/.gitignore b/mapq/.gitignore
new file mode 100644
index 0000000..a74b07a
--- /dev/null
+++ b/mapq/.gitignore
@@ -0,0 +1 @@
+/*.pyc
diff --git a/mapq/__init__.py b/mapq/__init__.py
index d015ad6..606b9b7 100644
--- a/mapq/__init__.py
+++ b/mapq/__init__.py
@@ -1,2 +1,2 @@
-from .api import key, address, batch, geocode, latlng, reverse
+from .api import key, endpoint, address, batch, geocode, latlng, reverse
 from .geo import Geo
diff --git a/mapq/api.py b/mapq/api.py
index 45cecd9..06cd632 100644
--- a/mapq/api.py
+++ b/mapq/api.py
@@ -13,6 +13,14 @@ def key(api_key=None):
     return os.environ['MAPQUEST_API_KEY']
 
 
+def endpoint(endpoint=None):
+    """Set the endpoint as an environment variable."""
+    if endpoint:
+        os.environ['MAPQUEST_ENDPOINT'] = endpoint
+    return os.environ['MAPQUEST_ENDPOINT']
+
+
+
 def address(name, **kwargs):
     """Geocode an address."""
     return Geo().address(name, **kwargs)
diff --git a/mapq/geo.py b/mapq/geo.py
index c766206..2eb4c7c 100644
--- a/mapq/geo.py
+++ b/mapq/geo.py
@@ -14,9 +14,9 @@
 class Geo(object):
     """A simple Mapquest Geocoding API wrapper."""
 
-    def __init__(self, api_key=None):
+    def __init__(self, api_key=None, endpoint=None):
         self._set_key(api_key)
-        self.endpoint = "http://www.mapquestapi.com/geocoding/v1"
+        self._set_endpoint(endpoint)
 
     def _set_key(self, api_key):
         """Configure the instance's Mapquest API key."""
@@ -27,6 +27,15 @@ def _set_key(self, api_key):
                 api_key = ''
         self.api_key = unquote(api_key)
 
+    def _set_endpoint(self, endpoint):
+        """Configure the instance's Mapquest endpoint."""
+        if not endpoint:
+            if 'MAPQUEST_ENDPOINT' in os.environ:
+                endpoint = os.environ['MAPQUEST_ENDPOINT']
+            else:
+                endpoint = 'http://www.mapquestapi.com/geocoding/v1'
+        self.endpoint = endpoint
+
     def get(self, path, **kwargs):
         """Perform a get request."""
         if 'key' not in kwargs and 'api_key' not in kwargs: