diff --git a/README.md b/README.md
index a220aef..44f2da5 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,19 @@ for dc in datacenters:
 
 Note that you don't need to care about pagination, the client handles it internally for you.
 
+### Using an OpenID Bearer access token
+
+If your platform uses OpenID and you have a Bearer access token, you can configure the client
+as follows:
+
+```python
+import json
+from abiquo.client import Abiquo
+from abiquo.auth import BearerTokenAuth 
+
+api = Abiquo(API_URL, auth=BearerTokenAuth(token))
+```
+
 ### Using OAuth
 
 To use OAuth first you have to register your client application in the Abiquo API. To do that, you can
diff --git a/abiquo/auth.py b/abiquo/auth.py
new file mode 100644
index 0000000..228587a
--- /dev/null
+++ b/abiquo/auth.py
@@ -0,0 +1,23 @@
+# Copyright (C) 2008 Abiquo Holdings S.L.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from requests.auth import AuthBase
+
+class BearerTokenAuth(AuthBase):
+    def __init__(self, token):
+	self.token = token
+
+    def __call__(self, request):
+	request.headers['Authorization'] = "Bearer %s" % self.token
+	return request
diff --git a/abiquo/client.py b/abiquo/client.py
index a7ae15e..046a9f8 100644
--- a/abiquo/client.py
+++ b/abiquo/client.py
@@ -169,3 +169,14 @@ def _extract_link(self, rel):
 
     def _has_link(self, rel):
         return True if self._extract_link(rel) else False
+
+
+def check_response(expected_code, code, errors):
+    if code != expected_code:
+	try:
+	    first_error = errors.json['collection'][0]
+	except:
+	    # If it is not an Abiquo controlled error, throw a generic error
+	    raise Exception("HTTP(%s) Operation failed!" % code)
+	# If it is an Abiquo error, properly show the error code and error details
+	raise Exception("HTTP(%s) %s: %s" % (code, first_error['code'], first_error['message']))