diff --git a/vision/api/label/README.md b/vision/api/label/README.md
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+Python label detection [Vision API](https://cloud.google.com/vision/) example.
+See the [tutorial](https://cloud.google.com/vision/docs/label-tutorial).
+
diff --git a/vision/api/label/label.py b/vision/api/label/label.py
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+#!/usr/bin/env python
+# Copyright 2015 Google Inc. All Rights Reserved.
+#
+# 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.
+
+"""
+This script uses the Vision API's label detection capabilities to find a label
+based on an image's content.
+
+To run the example, install the necessary libraries by running:
+
+    pip install -r requirements.txt
+
+Run the script on an image to get a label, E.g.:
+
+    ./label.py <path-to-image>
+"""
+
+# [START import_libraries]
+import argparse
+import base64
+
+from googleapiclient import discovery
+from oauth2client.client import GoogleCredentials
+
+# The url template to retrieve the discovery document for trusted testers.
+DISCOVERY_URL = 'https://{api}.googleapis.com/$discovery/rest?version={apiVersion}'  # noqa
+# [END import_libraries]
+
+
+def main(photo_file):
+    """Run a label request on a single image"""
+
+    # [START authenticate]
+    credentials = GoogleCredentials.get_application_default()
+    service = discovery.build('vision', 'v1', credentials=credentials,
+                              discoveryServiceUrl=DISCOVERY_URL)
+    # [END authenticate]
+
+    # [START construct_request]
+    with open(photo_file, 'rb') as image:
+        image_content = base64.b64encode(image.read())
+        service_request = service.images().annotate(body={
+            'requests': [{
+                'image': {
+                    'content': image_content.decode('UTF-8')
+                },
+                'features': [{
+                    'type': 'LABEL_DETECTION',
+                    'maxResults': 1
+                }]
+            }]
+        })
+        # [END construct_request]
+        # [START parse_response]
+        response = service_request.execute()
+        label = response['responses'][0]['labelAnnotations'][0]['description']
+        print('Found label: %s for %s' % (label, photo_file))
+        return 0
+        # [END parse_response]
+
+# [START run_application]
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('image_file', help='The image you\'d like to label.')
+    args = parser.parse_args()
+    main(args.image_file)
+# [END run_application]
diff --git a/vision/api/label/label_test.py b/vision/api/label/label_test.py
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+++ b/vision/api/label/label_test.py
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+# Copyright 2016, Google, Inc.
+# 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.
+
+import re
+
+from label import main
+
+
+def test_main(resource, capsys):
+    in_file = resource('cat.jpg')
+
+    main(in_file)
+
+    stdout, _ = capsys.readouterr()
+    assert re.match(r'Found label:.*cat', stdout)
diff --git a/vision/api/label/requirements.txt b/vision/api/label/requirements.txt
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+++ b/vision/api/label/requirements.txt
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+google-api-python-client>=1.3.1
diff --git a/vision/api/label/resources/cat.jpg b/vision/api/label/resources/cat.jpg
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Binary files /dev/null and b/vision/api/label/resources/cat.jpg differ