diff --git a/pom.xml b/pom.xml
index 63177f5..114bbbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,11 +63,36 @@
             <groupId>com.google.inject</groupId>
             <artifactId>guice</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.sun.xml.messaging.saaj</groupId>
+            <artifactId>saaj-impl</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.annotation</groupId>
+            <artifactId>jakarta.annotation-api</artifactId>
+            <version>2.1.1</version>
+        </dependency>
         <dependency>
             <groupId>jakarta.servlet</groupId>
             <artifactId>jakarta.servlet-api</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>jakarta.xml.bind</groupId>
+            <artifactId>jakarta.xml.bind-api</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.xml.soap</groupId>
+            <artifactId>jakarta.xml.soap-api</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.xml.ws</groupId>
+            <artifactId>jakarta.xml.ws-api</artifactId>
+            <version>3.0.1</version>
+        </dependency>
         <dependency>
             <groupId>javax.inject</groupId>
             <artifactId>javax.inject</artifactId>
@@ -77,11 +102,36 @@
             <artifactId>joda-time</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-core</artifactId>
+            <version>4.0.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-bindings-soap</artifactId>
+            <version>4.0.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxws</artifactId>
+            <version>4.0.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-transports-http</artifactId>
+            <version>4.0.3</version>
+        </dependency>
         <dependency>
             <groupId>org.apache.felix</groupId>
             <artifactId>org.apache.felix.framework</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.glassfish.jaxb</groupId>
+            <artifactId>jaxb-runtime</artifactId>
+            <version>3.0.1</version>
+        </dependency>
         <dependency>
             <groupId>org.jooby</groupId>
             <artifactId>jooby</artifactId>
@@ -148,6 +198,26 @@
     </dependencies>
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <transformers>
+                                <transformer
+                                    implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
+                                    <resource>META-INF/cxf/bus-extensions.txt</resource>
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.felix</groupId>
                 <artifactId>maven-bundle-plugin</artifactId>
diff --git a/src/main/java/org/killbill/billing/plugin/helloworld/HelloWorldActivator.java b/src/main/java/org/killbill/billing/plugin/helloworld/HelloWorldActivator.java
index 1f3ca97..86bc24e 100644
--- a/src/main/java/org/killbill/billing/plugin/helloworld/HelloWorldActivator.java
+++ b/src/main/java/org/killbill/billing/plugin/helloworld/HelloWorldActivator.java
@@ -19,12 +19,15 @@
 
 package org.killbill.billing.plugin.helloworld;
 
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.util.Hashtable;
+import java.util.Map;
 import java.util.Properties;
-
 import javax.servlet.Servlet;
 import javax.servlet.http.HttpServlet;
-
+import javax.xml.namespace.QName;
+import org.killbill.billing.invoice.plugin.api.InvoiceFormatterFactory;
 import org.killbill.billing.invoice.plugin.api.InvoicePluginApi;
 import org.killbill.billing.osgi.api.Healthcheck;
 import org.killbill.billing.osgi.api.OSGIPluginProperties;
@@ -38,7 +41,16 @@
 import org.killbill.billing.plugin.core.resources.jooby.PluginAppBuilder;
 import org.osgi.framework.BundleContext;
 import org.osgi.util.tracker.ServiceTracker;
-import org.killbill.billing.invoice.plugin.api.InvoiceFormatterFactory;
+import jakarta.xml.soap.MessageFactory;
+import jakarta.xml.soap.SOAPBody;
+import jakarta.xml.soap.SOAPElement;
+import jakarta.xml.soap.SOAPEnvelope;
+import jakarta.xml.soap.SOAPException;
+import jakarta.xml.soap.SOAPMessage;
+import jakarta.xml.soap.SOAPPart;
+import jakarta.xml.ws.Dispatch;
+import jakarta.xml.ws.Service;
+import jakarta.xml.ws.soap.SOAPBinding;
 
 public class HelloWorldActivator extends KillbillActivatorBase {
 
@@ -99,6 +111,40 @@ public void start(final BundleContext context) throws Exception {
         registerServlet(context, httpServlet);
 
         registerHandlers();
+
+        final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
+        Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
+        try {
+            soap();
+        } finally {
+            Thread.currentThread().setContextClassLoader(contextClassLoader);
+        }
+    }
+
+    private void soap() throws SOAPException, IOException {
+        String endpointAddress = "http://www.dneonline.com/calculator.asmx";
+        MessageFactory factory = MessageFactory.newInstance();
+        SOAPMessage request = factory.createMessage();
+        SOAPPart soapPart = request.getSOAPPart();
+        SOAPEnvelope envelope = soapPart.getEnvelope();
+        SOAPBody body = envelope.getBody();
+        SOAPElement operation = body.addChildElement("Add", "", "http://tempuri.org/");
+        operation.addChildElement("intA").addTextNode("5");
+        operation.addChildElement("intB").addTextNode("7");
+        request.saveChanges();
+        QName serviceName = new QName("http://tempuri.org/", "Calculator");
+        QName portName    = new QName("http://tempuri.org/", "CalculatorSoap");
+        Service service = Service.create(serviceName);
+        service.addPort(portName, SOAPBinding.SOAP11HTTP_BINDING, endpointAddress);
+        Dispatch<SOAPMessage> dispatch = service.createDispatch(portName, SOAPMessage.class, Service.Mode.MESSAGE);
+        Map<String, Object> rc = dispatch.getRequestContext();
+        rc.put(jakarta.xml.ws.BindingProvider.SOAPACTION_USE_PROPERTY, true);
+        rc.put(jakarta.xml.ws.BindingProvider.SOAPACTION_URI_PROPERTY, "\"http://tempuri.org/Add\"");
+        System.out.println("Sending 'Add' request to the public Calculator service...");
+        SOAPMessage response = dispatch.invoke(request);
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        response.writeTo(out);
+        System.out.println("\nSOAP Response:\n" + new String(out.toByteArray()));
     }
 
     @Override