diff --git a/quickstarts/csharp-detect-anomalies.cs b/quickstarts/csharp-detect-anomalies.cs
index 20e8135..1c5774b 100644
--- a/quickstarts/csharp-detect-anomalies.cs
+++ b/quickstarts/csharp-detect-anomalies.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
+// <usingStatements>
 using System;
 using System.IO;
 using System.Net;
@@ -7,28 +8,25 @@
 using System.Net.Http.Headers;
 using System.Text;
 using System.Threading.Tasks;
+// </usingStatements>
 
 namespace Console
 {
     class Program
     {
-
+        // <vars>
         // Replace the subscriptionKey string with your valid subscription key.
-        const string subscriptionKey = "[YOUR_SUBSCRIPTION_KEY]";
-
-        //replace the endpoint URL with the correct one for your subscription. Your endpoint can be found in the Azure portal. For example: https://westus2.api.cognitive.microsoft.com
-        const string endpoint = "[YOUR_ENDPOINT_URL]";
+        static readonly string subscriptionKey = Environment.GetEnvironmentVariable("ANOMALY_DETECTOR_ENDPOINT");
+        static readonly string endpoint = Environment.GetEnvironmentVariable("ANOMALY_DETECTOR_KEY");;
 
         // Replace the dataPath string with a path to the JSON formatted time series data.
         const string dataPath = "[PATH_TO_TIME_SERIES_DATA]";
 
-        // Urls for anomaly detection on:
-        // A batch of data points, or
-        // The latest data point in the time series
         const string latestPointDetectionUrl = "/anomalydetector/v1.0/timeseries/last/detect";
         const string batchDetectionUrl = "/anomalydetector/v1.0/timeseries/entire/detect";
+        // </vars>
 
-
+        // <main>
         static void Main(string[] args)
         {
             //read in the JSON time series data for the API request
@@ -39,7 +37,8 @@ static void Main(string[] args)
             System.Console.WriteLine("\nPress any key to exit ");
             System.Console.ReadKey();
         }
-
+        // </main>
+        // <detectAnomaliesBatch>
         static void detectAnomaliesBatch(string requestData)
         {
             System.Console.WriteLine("Detecting anomalies as a batch");
@@ -73,7 +72,8 @@ static void detectAnomaliesBatch(string requestData)
                 }
             }
         }
-
+        // </detectAnomaliesBatch>
+        // <detectAnomaliesLatest>
         static void detectAnomaliesLatest(string requestData)
         {
             System.Console.WriteLine("\n\nDetermining if latest data point is an anomaly");
@@ -88,6 +88,7 @@ static void detectAnomaliesLatest(string requestData)
             dynamic jsonObj = Newtonsoft.Json.JsonConvert.DeserializeObject(result);
             System.Console.WriteLine(jsonObj);
         }
+        // </detectAnomaliesLatest>
 
         /// <summary>
         /// Sends a request to the Anomaly Detection API to detect anomaly points
@@ -97,6 +98,7 @@ static void detectAnomaliesLatest(string requestData)
         /// <param name="subscriptionKey">The subscription key applied  </param>
         /// <param name="requestData">The JSON string for requet data points</param>
         /// <returns>The JSON string for anomaly points and expected values.</returns>
+        // <requestMethod>
         static async Task<string> Request(string apiAddress, string endpoint, string subscriptionKey, string requestData)
         {
             using (HttpClient client = new HttpClient { BaseAddress = new Uri(apiAddress) })
@@ -110,5 +112,6 @@ static async Task<string> Request(string apiAddress, string endpoint, string sub
                 return await res.Content.ReadAsStringAsync();
             }
         }
+        // </requestMethod>
     }
 }
diff --git a/quickstarts/java-detect-anomalies.java b/quickstarts/java-detect-anomalies.java
index f92a631..a725398 100644
--- a/quickstarts/java-detect-anomalies.java
+++ b/quickstarts/java-detect-anomalies.java
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
-
+// <imports>
 import org.apache.http.HttpEntity;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
@@ -14,15 +14,13 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
+// </imports>
 
 public class JavaDetect {
-
-    // Replace the subscriptionKey string value with your valid subscription key.
-    static final String subscriptionKey = "[YOUR_SUBSCRIPTION_KEY]";
-
-    //replace the endpoint URL with the correct one for your subscription. Your endpoint can be found in the Azure portal.
-    //for example: https://westus2.api.cognitive.microsoft.com
-    static final String endpoint = "[YOUR_ENDPOINT_URL]";
+    // <vars>
+    // This sample assumes you have created an environment variable for your key and endpoint
+    static final String subscriptionKey = System.getenv("ANOMALY_DETECTOR_KEY");
+    static final String endpoint = System.getenv("ANOMALY_DETECTOR_ENDPOINT");
 
     // Replace the dataPath string with a path to the JSON formatted time series data.
     static final String dataPath = "[PATH_TO_TIME_SERIES_DATA]";
@@ -32,8 +30,8 @@ public class JavaDetect {
     // The latest data point in the time series
     static final String latestPointDetectionUrl = "/anomalydetector/v1.0/timeseries/last/detect";
     static final String batchDetectionUrl = "/anomalydetector/v1.0/timeseries/entire/detect";
-
-
+    // </vars>
+    // <main>
     public static void main(String[] args) throws Exception {
 
         String requestData = new String(Files.readAllBytes(Paths.get(dataPath)), "utf-8");
@@ -41,7 +39,8 @@ public static void main(String[] args) throws Exception {
         detectAnomaliesBatch(requestData);
         detectAnomaliesLatest(requestData);
     }
-
+    // </main>
+    // <detectBatch>
     static void detectAnomaliesBatch(String requestData) {
         System.out.println("Detecting anomalies as a batch");
 
@@ -63,13 +62,15 @@ static void detectAnomaliesBatch(String requestData) {
             }
         }
     }
-
+    // </detectBatch>
+    // <detectLatest>
     static void detectAnomaliesLatest(String requestData) {
         System.out.println("Determining if latest data point is an anomaly");
         String result = sendRequest(latestPointDetectionUrl, endpoint, subscriptionKey, requestData);
         System.out.println(result);
     }
-
+    // </detectLatest>
+    // <request>
     static String sendRequest(String apiAddress, String endpoint, String subscriptionKey, String requestData) {
         try (CloseableHttpClient client = HttpClients.createDefault()) {
             HttpPost request = new HttpPost(endpoint + apiAddress);
@@ -91,4 +92,5 @@ static String sendRequest(String apiAddress, String endpoint, String subscriptio
         }
         return null;
     }
+    // <request>
 }
\ No newline at end of file
diff --git a/quickstarts/python-detect-anomalies.py b/quickstarts/python-detect-anomalies.py
index c0e328f..c8fa00a 100644
--- a/quickstarts/python-detect-anomalies.py
+++ b/quickstarts/python-detect-anomalies.py
@@ -1,41 +1,36 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
-
+# <imports>
 import requests
 import json
-
+# </imports>
+# <vars>
 # URLs for anomaly detection with the Anomaly Detector API
 batch_detection_url = "/anomalydetector/v1.0/timeseries/entire/detect"
 latest_point_detection_url = "/anomalydetector/v1.0/timeseries/last/detect"
 
-###############################################
-#### Update or verify the following values. ###
-###############################################
-
-# Replace the endpoint URL with the correct one for your subscription. Your endpoint can be found in the Azure portal.
-# for example: https://westus2.api.cognitive.microsoft.com
-endpoint = "[YOUR_ENDPOINT_URL]"
-
-# Replace with your valid subscription key.
-subscription_key = "[YOUR_SUBSCRIPTION_KEY]"
+# This sample assumes you have created an environment variable for your key and endpoint
+endpoint = os.environ["ANOMALY_DETECTOR_ENDPOINT"]
+subscription_key = os.environ["ANOMALY_DETECTOR_KEY"]
 
 # Replace with a path to the JSON formatted time series data.
 data_location = "[PATH_TO_TIME_SERIES_DATA]"
-
-###############################################
+# </vars>
 
 """
 Sends an anomaly detection request to the Anomaly Detector API. 
 If the request is successful, the JSON response is returned.
 """
+# <request>
 def send_request(endpoint, url, subscription_key, request_data):
     headers = {'Content-Type': 'application/json', 'Ocp-Apim-Subscription-Key': subscription_key}
     response = requests.post(endpoint+url, data=json.dumps(request_data), headers=headers)
     return json.loads(response.content.decode("utf-8"))
-
+# </request>
 """
 Detect anomalies throughout the time series data by submitting it as a batch to the API.
 """
+# <detectBatch>
 def detect_batch(request_data):
     print("Detecting anomalies as a batch")
     # Send the request, and print the JSON result
@@ -52,21 +47,23 @@ def detect_batch(request_data):
         for x in range(len(anomalies)):
             if anomalies[x] == True:
                 print (x)
-
+# </detectBatch>
 """
 Detect if the latest data point in the time series is an anomaly.
 """
+# <detectLatest>
 def detect_latest(request_data):
     print("Determining if latest data point is an anomaly")
     # send the request, and print the JSON result
     result = send_request(endpoint, latest_point_detection_url, subscription_key, request_data)
     print(json.dumps(result, indent=4))
-
+# </detectLatest>
 
 # read json time series data from file
+# <fileLoad>
 file_handler = open(data_location)
 json_data = json.load(file_handler)
-
-# send the request
 detect_batch(json_data)
 detect_latest(json_data)
+# </fileLoad>
+
diff --git a/quickstarts/sdk/csharp-sdk-sample.cs b/quickstarts/sdk/csharp-sdk-sample.cs
index b5bed3c..82e967a 100644
--- a/quickstarts/sdk/csharp-sdk-sample.cs
+++ b/quickstarts/sdk/csharp-sdk-sample.cs
@@ -32,7 +32,7 @@ class Program{
         // <mainMethod>
         static void Main(string[] args){
             //This sample assumes you have created an environment variable for your key and endpoint
-            string endpoint = Environment.GetEnvironmentVariable(ANOMALY_DETECTOR_ENDPOINT);
+            string endpoint = Environment.GetEnvironmentVariable("ANOMALY_DETECTOR_ENDPOINT");
             string key = Environment.GetEnvironmentVariable("ANOMALY_DETECTOR_KEY");
             string datapath = "request-data.csv";