diff --git a/CHANGELOG.md b/CHANGELOG.md
index d62380e46..a2f183ce8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,9 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [5.3.1]
+## [5.4.0]
 ### Added
-- Added AppEndpoint for ConnectAction
+- Added AppEndpoint support for ConnectAction.
+- Added the ability to log the API response in when logger is set to debug mode.
+- Added ability to override base url for StopStream, ModifyCall, and Sn
 
 ## [5.3.0]
 ### Added
diff --git a/build.gradle b/build.gradle
index 2b925be95..88d080b67 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,6 +47,8 @@ dependencies {
     testCompile 'junit:junit:4.4'
     testCompile "org.mockito:mockito-core:2.25.1"
     testCompile 'org.hamcrest:hamcrest-all:1.3'
+    testCompile group: 'org.powermock', name: 'powermock-api-mockito2', version: '2.0.7'
+    testCompile group: 'org.powermock', name: 'powermock-module-junit4', version: '2.0.7'
 }
 
 test {
diff --git a/src/main/java/com/nexmo/client/AbstractMethod.java b/src/main/java/com/nexmo/client/AbstractMethod.java
index 1e7627d83..342b2d01f 100644
--- a/src/main/java/com/nexmo/client/AbstractMethod.java
+++ b/src/main/java/com/nexmo/client/AbstractMethod.java
@@ -22,6 +22,7 @@
 package com.nexmo.client;
 
 import com.nexmo.client.auth.AuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.http.HttpEntity;
@@ -100,6 +101,9 @@ public ResultT execute(RequestT request) throws NexmoResponseParseException, Nex
                 LOG.debug(EntityUtils.toString(enclosingRequest.getEntity()));
             }
             HttpResponse response = this.httpWrapper.getHttpClient().execute(httpRequest);
+
+            LOG.debug("Response: " + LoggingUtils.logResponse(response));
+
             try{
                 return parseResponse(response);
             }
diff --git a/src/main/java/com/nexmo/client/logging/LoggingUtils.java b/src/main/java/com/nexmo/client/logging/LoggingUtils.java
new file mode 100644
index 000000000..9dd96e960
--- /dev/null
+++ b/src/main/java/com/nexmo/client/logging/LoggingUtils.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2011-2017 Nexmo Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.nexmo.client.logging;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.entity.ContentType;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.util.EntityUtils;
+
+import java.io.IOException;
+
+public class LoggingUtils {
+
+    public static String logResponse(HttpResponse response) throws IOException {
+        StringBuilder log = new StringBuilder();
+        String responseBody = EntityUtils.toString(response.getEntity());
+        int statusCode = response.getStatusLine().getStatusCode();
+        String statusLine = response.getStatusLine().getReasonPhrase();
+
+        log.append("status_code: ")
+                .append(statusCode)
+                .append( ", ")
+                .append("status_line: ")
+                .append(statusLine)
+                .append(", ")
+                .append(" body: ")
+                .append(responseBody);
+
+        //Calling Http#getEntity will consume the entity so you have to replace the entity after logging
+        response.setEntity(new StringEntity(responseBody, ContentType.get(response.getEntity())));
+
+        return log.toString();
+    }
+}
diff --git a/src/test/java/com/nexmo/client/AbstractMethodTest.java b/src/test/java/com/nexmo/client/AbstractMethodTest.java
index 269fc1bf2..a2d36d050 100644
--- a/src/test/java/com/nexmo/client/AbstractMethodTest.java
+++ b/src/test/java/com/nexmo/client/AbstractMethodTest.java
@@ -25,9 +25,13 @@
 import com.nexmo.client.auth.AuthCollection;
 import com.nexmo.client.auth.AuthMethod;
 import com.nexmo.client.auth.JWTAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import io.jsonwebtoken.lang.Assert;
 import org.apache.commons.io.IOUtils;
-import org.apache.http.*;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpEntityEnclosingRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.ProtocolVersion;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpUriRequest;
 import org.apache.http.client.methods.RequestBuilder;
@@ -38,7 +42,10 @@
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 import org.mockito.ArgumentCaptor;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.IOException;
 import java.nio.charset.Charset;
@@ -46,8 +53,10 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.*;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
-
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class AbstractMethodTest {
     private static class ConcreteMethod extends AbstractMethod<String, String> {
         public ConcreteMethod(HttpWrapper httpWrapper) {
@@ -86,6 +95,7 @@ public String parseResponse(HttpResponse response) throws IOException{
 
     @Before
     public void setUp() throws Exception {
+        mockStatic(LoggingUtils.class);
         mockWrapper = mock(HttpWrapper.class);
         mockAuthMethods = mock(AuthCollection.class);
         mockAuthMethod = mock(AuthMethod.class);
@@ -98,6 +108,7 @@ public void setUp() throws Exception {
                 1,
                 1
         ), 200, "OK")));
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(mockWrapper.getAuthCollection()).thenReturn(mockAuthMethods);
     }
 
diff --git a/src/test/java/com/nexmo/client/ClientTest.java b/src/test/java/com/nexmo/client/ClientTest.java
index f71ead57a..f625943cb 100644
--- a/src/test/java/com/nexmo/client/ClientTest.java
+++ b/src/test/java/com/nexmo/client/ClientTest.java
@@ -22,19 +22,26 @@
 package com.nexmo.client;
 
 import com.nexmo.client.auth.TokenAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.StatusLine;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpUriRequest;
 import org.junit.Before;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.ByteArrayInputStream;
 
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public abstract class ClientTest<T extends AbstractClient> {
     protected HttpWrapper wrapper;
     protected T client;
@@ -46,12 +53,14 @@ public void setupWrapper() {
 
     protected HttpClient stubHttpClient(int statusCode, String content) throws Exception {
         HttpClient result = mock(HttpClient.class);
+        mockStatic(LoggingUtils.class);
 
         HttpResponse response = mock(HttpResponse.class);
         StatusLine sl = mock(StatusLine.class);
         HttpEntity entity = mock(HttpEntity.class);
 
         when(result.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes("UTF-8")));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);
diff --git a/src/test/java/com/nexmo/client/NexmoClientTest.java b/src/test/java/com/nexmo/client/NexmoClientTest.java
index dcd8442af..0d5dfdbd0 100644
--- a/src/test/java/com/nexmo/client/NexmoClientTest.java
+++ b/src/test/java/com/nexmo/client/NexmoClientTest.java
@@ -22,6 +22,7 @@
 package com.nexmo.client;
 
 import com.nexmo.client.auth.*;
+import com.nexmo.client.logging.LoggingUtils;
 import com.nexmo.client.voice.Call;
 import com.nexmo.client.voice.CallEvent;
 import com.nexmo.client.voice.CallStatus;
@@ -36,6 +37,9 @@
 import org.apache.http.client.methods.RequestBuilder;
 import org.apache.http.message.BasicNameValuePair;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.ByteArrayInputStream;
 import java.nio.charset.StandardCharsets;
@@ -51,18 +55,23 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class NexmoClientTest {
     private TestUtils testUtils = new TestUtils();
 
     private HttpClient stubHttpClient(int statusCode, String content) throws Exception {
         HttpClient result = mock(HttpClient.class);
+        mockStatic(LoggingUtils.class);
 
         HttpResponse response = mock(HttpResponse.class);
         StatusLine sl = mock(StatusLine.class);
         HttpEntity entity = mock(HttpEntity.class);
 
         when(result.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);
diff --git a/src/test/java/com/nexmo/client/numbers/NumbersClientTest.java b/src/test/java/com/nexmo/client/numbers/NumbersClientTest.java
index 5ad8b3caf..b252d84af 100644
--- a/src/test/java/com/nexmo/client/numbers/NumbersClientTest.java
+++ b/src/test/java/com/nexmo/client/numbers/NumbersClientTest.java
@@ -25,12 +25,16 @@
 import com.nexmo.client.TestUtils;
 import com.nexmo.client.auth.AuthCollection;
 import com.nexmo.client.auth.TokenAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import org.apache.http.HttpEntity;
 import org.apache.http.HttpResponse;
 import org.apache.http.StatusLine;
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpUriRequest;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.ByteArrayInputStream;
 
@@ -39,18 +43,23 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class NumbersClientTest {
     private TestUtils testUtils = new TestUtils();
 
     private HttpWrapper stubHttpWrapper(int statusCode, String content) throws Exception {
         HttpClient client = mock(HttpClient.class);
+        mockStatic(LoggingUtils.class);
 
         HttpResponse response = mock(HttpResponse.class);
         StatusLine sl = mock(StatusLine.class);
         HttpEntity entity = mock(HttpEntity.class);
 
         when(client.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes("UTF-8")));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);
diff --git a/src/test/java/com/nexmo/client/sms/SmsClientTest.java b/src/test/java/com/nexmo/client/sms/SmsClientTest.java
index d5f5fcda4..d4f38fd88 100644
--- a/src/test/java/com/nexmo/client/sms/SmsClientTest.java
+++ b/src/test/java/com/nexmo/client/sms/SmsClientTest.java
@@ -25,6 +25,7 @@
 import com.nexmo.client.HttpWrapper;
 import com.nexmo.client.NexmoResponseParseException;
 import com.nexmo.client.auth.TokenAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import com.nexmo.client.sms.messages.Message;
 import com.nexmo.client.sms.messages.TextMessage;
 import org.apache.http.HttpEntity;
@@ -35,6 +36,9 @@
 import org.hamcrest.CoreMatchers;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.ByteArrayInputStream;
@@ -45,7 +49,10 @@
 
 import static org.junit.Assert.*;
 import static org.mockito.Mockito.*;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class SmsClientTest {
     private HttpWrapper wrapper;
     private SmsClient client;
@@ -57,6 +64,8 @@ public void setUp() throws ParserConfigurationException {
     }
 
     private HttpClient stubHttpClient(int statusCode, String content) throws Exception {
+        //Log log = mock(Log.class);
+        mockStatic(LoggingUtils.class);
         HttpClient result = mock(HttpClient.class);
 
         HttpResponse response = mock(HttpResponse.class);
@@ -64,6 +73,7 @@ private HttpClient stubHttpClient(int statusCode, String content) throws Excepti
         HttpEntity entity = mock(HttpEntity.class);
 
         when(result.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);
diff --git a/src/test/java/com/nexmo/client/sns/SnsClientTest.java b/src/test/java/com/nexmo/client/sns/SnsClientTest.java
index d6c26afff..88bc9b3d9 100644
--- a/src/test/java/com/nexmo/client/sns/SnsClientTest.java
+++ b/src/test/java/com/nexmo/client/sns/SnsClientTest.java
@@ -25,6 +25,7 @@
 import com.nexmo.client.HttpWrapper;
 import com.nexmo.client.NexmoResponseParseException;
 import com.nexmo.client.auth.TokenAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import com.nexmo.client.sns.request.SnsPublishRequest;
 import com.nexmo.client.sns.request.SnsSubscribeRequest;
 import com.nexmo.client.sns.response.SnsPublishResponse;
@@ -36,6 +37,9 @@
 import org.apache.http.client.methods.HttpUriRequest;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.ByteArrayInputStream;
 import java.nio.charset.StandardCharsets;
@@ -43,7 +47,10 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 import static org.mockito.Mockito.*;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class SnsClientTest {
     private HttpWrapper httpWrapper;
     private SnsClient client;
@@ -56,12 +63,14 @@ public void setUp() throws Exception {
 
     private HttpClient stubHttpClient(int statusCode, String content) throws Exception {
         HttpClient result = mock(HttpClient.class);
+        mockStatic(LoggingUtils.class);
 
         HttpResponse response = mock(HttpResponse.class);
         StatusLine sl = mock(StatusLine.class);
         HttpEntity entity = mock(HttpEntity.class);
 
         when(result.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);
diff --git a/src/test/java/com/nexmo/client/voice/VoiceClientTest.java b/src/test/java/com/nexmo/client/voice/VoiceClientTest.java
index d4f177ffa..3bba637dc 100644
--- a/src/test/java/com/nexmo/client/voice/VoiceClientTest.java
+++ b/src/test/java/com/nexmo/client/voice/VoiceClientTest.java
@@ -25,6 +25,7 @@
 import com.nexmo.client.TestUtils;
 import com.nexmo.client.auth.AuthCollection;
 import com.nexmo.client.auth.JWTAuthMethod;
+import com.nexmo.client.logging.LoggingUtils;
 import com.nexmo.client.voice.ncco.Ncco;
 import com.nexmo.client.voice.ncco.TalkAction;
 import org.apache.http.HttpEntity;
@@ -33,6 +34,9 @@
 import org.apache.http.client.HttpClient;
 import org.apache.http.client.methods.HttpUriRequest;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
 
 import java.io.ByteArrayInputStream;
 import java.nio.charset.StandardCharsets;
@@ -41,18 +45,23 @@
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
+import static org.powermock.api.mockito.PowerMockito.mockStatic;
 
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(LoggingUtils.class)
 public class VoiceClientTest {
     private TestUtils testUtils = new TestUtils();
 
     private HttpWrapper stubHttpWrapper(int statusCode, String content) throws Exception {
         HttpClient client = mock(HttpClient.class);
+        mockStatic(LoggingUtils.class);
 
         HttpResponse response = mock(HttpResponse.class);
         StatusLine sl = mock(StatusLine.class);
         HttpEntity entity = mock(HttpEntity.class);
 
         when(client.execute(any(HttpUriRequest.class))).thenReturn(response);
+        when(LoggingUtils.logResponse(any(HttpResponse.class))).thenReturn("response logged");
         when(entity.getContent()).thenReturn(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)));
         when(sl.getStatusCode()).thenReturn(statusCode);
         when(response.getStatusLine()).thenReturn(sl);