diff --git a/scm-webapp/src/main/java/sonia/scm/Group.java b/scm-webapp/src/main/java/sonia/scm/Group.java
index 935674afb3..15624f4b0d 100644
--- a/scm-webapp/src/main/java/sonia/scm/Group.java
+++ b/scm-webapp/src/main/java/sonia/scm/Group.java
@@ -16,16 +16,23 @@ import sonia.scm.util.Util;
 import java.io.Serializable;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
 
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
 
 /**
  *
  * @author Sebastian Sdorra
  */
-@XmlRootElement
+@XmlRootElement(name = "groups")
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(propOrder = { "name", "members" })
 public class Group implements Serializable
 {
 
@@ -34,6 +41,12 @@ public class Group implements Serializable
 
   //~--- constructors ---------------------------------------------------------
 
+  /**
+   * Constructs ...
+   *
+   */
+  public Group() {}
+
   /**
    * Constructs ...
    *
@@ -59,6 +72,24 @@ public class Group implements Serializable
     this.members = members;
   }
 
+  /**
+   * Constructs ...
+   *
+   *
+   * @param name
+   * @param members
+   */
+  public Group(String name, String... members)
+  {
+    this.name = name;
+    this.members = new ArrayList<String>();
+
+    if (Util.isNotEmpty(members))
+    {
+      this.members.addAll(Arrays.asList(members));
+    }
+  }
+
   //~--- methods --------------------------------------------------------------
 
   /**
@@ -154,6 +185,7 @@ public class Group implements Serializable
   //~--- fields ---------------------------------------------------------------
 
   /** Field description */
+  @XmlElement(name = "members")
   private List<String> members;
 
   /** Field description */
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/JsonJaxbContextResolver.java b/scm-webapp/src/main/java/sonia/scm/api/rest/JsonJaxbContextResolver.java
index 865d07bedc..44055af232 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/JsonJaxbContextResolver.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/JsonJaxbContextResolver.java
@@ -10,7 +10,6 @@ package sonia.scm.api.rest;
 //~--- non-JDK imports --------------------------------------------------------
 
 import sonia.scm.Group;
-
 //~--- JDK imports ------------------------------------------------------------
 
 import com.sun.jersey.api.json.JSONConfiguration;
@@ -28,7 +27,6 @@ import javax.xml.bind.JAXBContext;
  *
  * @author Sebastian Sdorra
  */
-@Provider
 public class JsonJaxbContextResolver implements ContextResolver<JAXBContext>
 {
 
@@ -42,7 +40,7 @@ public class JsonJaxbContextResolver implements ContextResolver<JAXBContext>
   {
     this.context = new JSONJAXBContext(
         JSONConfiguration.mapped().rootUnwrapping(true).arrays(
-          "members").build(), types.toArray(new Class[0]));
+          "member", "groups").build(), types.toArray(new Class[0]));
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -69,5 +67,6 @@ public class JsonJaxbContextResolver implements ContextResolver<JAXBContext>
   private JAXBContext context;
 
   /** Field description */
-  private List<Class> types = Arrays.asList(new Class[] { Group.class });
+  private List<Class> types = Arrays.asList(new Class[] { 
+          Group.class });
 }
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/UriExtensionsConfig.java b/scm-webapp/src/main/java/sonia/scm/api/rest/UriExtensionsConfig.java
index 133eccafd3..915821197b 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/rest/UriExtensionsConfig.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/UriExtensionsConfig.java
@@ -23,6 +23,10 @@ import javax.ws.rs.core.MediaType;
 public class UriExtensionsConfig extends PackagesResourceConfig
 {
 
+  public static final String EXTENSION_XML = "xml";
+
+  public static final String EXTENSION_JSON = "json";
+
   /**
    * Constructs ...
    *
@@ -68,8 +72,8 @@ public class UriExtensionsConfig extends PackagesResourceConfig
     if (mediaTypeMap == null)
     {
       mediaTypeMap = new HashMap<String, MediaType>();
-      mediaTypeMap.put("json", MediaType.APPLICATION_JSON_TYPE);
-      mediaTypeMap.put("xml", MediaType.APPLICATION_XML_TYPE);
+      mediaTypeMap.put(EXTENSION_JSON, MediaType.APPLICATION_JSON_TYPE);
+      mediaTypeMap.put(EXTENSION_XML, MediaType.APPLICATION_XML_TYPE);
     }
 
     return mediaTypeMap;
diff --git a/scm-webapp/src/main/java/sonia/scm/api/rest/resources/GroupsResource.java b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/GroupsResource.java
new file mode 100644
index 0000000000..9fe8e9e96c
--- /dev/null
+++ b/scm-webapp/src/main/java/sonia/scm/api/rest/resources/GroupsResource.java
@@ -0,0 +1,97 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.api.rest.resources;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.Group;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Collection;
+import java.util.LinkedHashMap;
+
+import javax.inject.Singleton;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response.Status;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Singleton
+@Path("groups")
+@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
+public class GroupsResource
+{
+
+  /**
+   * Constructs ...
+   *
+   */
+  public GroupsResource()
+  {
+    groupStore = new LinkedHashMap<String, Group>();
+    groupStore.put("csit",
+                   new Group("csit", "th", "merlec", "hopper", "oelkersd",
+                             "sdorra", "gollnict"));
+    groupStore.put("devel",
+                   new Group("devel", "sdorra", "th", "merlec", "oelkersd"));
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param name
+   *
+   * @return
+   */
+  @GET
+  @Path("{name}")
+  public Group get(@PathParam("name") String name)
+  {
+    Group group = groupStore.get(name);
+
+    if (group == null)
+    {
+      throw new WebApplicationException(Status.NOT_FOUND);
+    }
+
+    System.out.println( group );
+
+    return group;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @GET
+  public Group[] getAll()
+  {
+    Collection<Group> groupCollection = groupStore.values();
+
+    return groupCollection.toArray(new Group[groupCollection.size()]);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private LinkedHashMap<String, Group> groupStore;
+}
diff --git a/scm-webapp/src/main/webapp/WEB-INF/sun-web.xml b/scm-webapp/src/main/webapp/WEB-INF/sun-web.xml
new file mode 100644
index 0000000000..46087f70fe
--- /dev/null
+++ b/scm-webapp/src/main/webapp/WEB-INF/sun-web.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE sun-web-app PUBLIC "-//Sun Microsystems, Inc.//DTD GlassFish Application Server 3.0 Servlet 3.0//EN" "http://www.sun.com/software/appserver/dtds/sun-web-app_3_0-0.dtd">
+<sun-web-app error-url="">
+  <context-root>/scm-webapp</context-root>
+  <class-loader delegate="true"/>
+  <jsp-config>
+    <property name="keepgenerated" value="true">
+      <description>Keep a copy of the generated servlet class' java code.</description>
+    </property>
+  </jsp-config>
+</sun-web-app>
diff --git a/scm-webapp/src/main/webapp/index.html b/scm-webapp/src/main/webapp/index.html
index 35110cae59..41c08d7fc3 100644
--- a/scm-webapp/src/main/webapp/index.html
+++ b/scm-webapp/src/main/webapp/index.html
@@ -7,8 +7,12 @@ and open the template in the editor.
   <head>
     <title></title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+
+    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
+
   </head>
   <body>
-    TODO write content
+    <h1>Content</h1>
+    <pre></pre>
   </body>
 </html>