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diff --git a/src/main/java/org/onap/crud/parser/CrudResponseBuilder.java b/src/main/java/org/onap/crud/parser/CrudResponseBuilder.java
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+/**
+ * ============LICENSE_START=======================================================
+ * Gizmo
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.crud.parser;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.crud.entity.Edge;
+import org.onap.crud.entity.Vertex;
+import org.onap.crud.exception.CrudException;
+import org.onap.crud.service.BulkPayload;
+import org.onap.crud.service.EdgePayload;
+import org.onap.crud.service.VertexPayload;
+import org.onap.schema.RelationshipSchemaLoader;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+public class CrudResponseBuilder {
+
+  private static final Gson gson = new GsonBuilder().create();
+
+  public static final String SOURCE = "source";
+  public static final String TARGET = "target";
+  public static final String URL_BASE = "services/inventory/";
+
+  public static String buildUpsertBulkResponse(HashMap<String, Vertex> vertices, HashMap<String, Edge> edges,
+      String version, BulkPayload incomingPayload) throws CrudException {
+
+    for (JsonElement e : incomingPayload.getObjects()) {
+      List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+          e.getAsJsonObject().entrySet());
+
+      Map.Entry<String, JsonElement> item = entries.get(1);
+
+      Vertex responseVertex = vertices.get(item.getKey());
+      if (responseVertex != null) {
+        JsonObject v = gson.fromJson(buildUpsertVertexResponse(responseVertex, version), JsonObject.class);
+        item.setValue(v);
+      } else {
+        item.setValue(gson.fromJson("{}", JsonObject.class));
+      }
+
+    }
+    for (JsonElement e : incomingPayload.getRelationships()) {
+      List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
+          e.getAsJsonObject().entrySet());
+
+      Map.Entry<String, JsonElement> item = entries.get(1);
+
+      Edge responseEdge = edges.get(item.getKey());
+      if (responseEdge != null) {
+        JsonObject v = gson.fromJson(buildUpsertEdgeResponse(responseEdge, version), JsonObject.class);
+        item.setValue(v);
+      } else {
+        item.setValue(gson.fromJson("{}", JsonObject.class));
+      }
+
+    }
+    return incomingPayload.toJson();
+  }
+
+  public static String buildUpsertVertexResponse(Vertex vertex, String version) throws CrudException {
+    VertexPayload payload = new VertexPayload();
+    payload.setId(vertex.getId().get());
+    payload.setType(vertex.getType());
+    payload.setUrl(URL_BASE + version + "/" + vertex.getType() + "/" + vertex.getId().get());
+    JsonObject props = new JsonObject();
+    for (String key : vertex.getProperties().keySet()) {
+      addJsonProperperty(props, key, vertex.getProperties().get(key));
+    }
+    payload.setProperties(props);
+    return payload.toJson();
+  }
+
+  public static String buildUpsertEdgeResponse(Edge edge, String version) throws CrudException {
+    return buildGetEdgeResponse(edge, version);
+  }
+
+  public static String buildGetVertexResponse(Vertex vertex, List<Edge> edges, String version) throws CrudException {
+    VertexPayload vertexPayload = new VertexPayload();
+    vertexPayload.setId(vertex.getId().get());
+    vertexPayload.setType(vertex.getType());
+    vertexPayload.setUrl(URL_BASE + version + "/" + vertex.getType() + "/" + vertex.getId().get());
+    JsonObject props = new JsonObject();
+    for (String key : vertex.getProperties().keySet()) {
+      addJsonProperperty(props, key, vertex.getProperties().get(key));
+    }
+    vertexPayload.setProperties(props);
+    List<EdgePayload> inEdges = new ArrayList<EdgePayload>();
+    List<EdgePayload> outEdges = new ArrayList<EdgePayload>();
+    for (Edge e : edges) {
+      if (e.getTarget().getId().get().equals(vertex.getId().get())) {
+        EdgePayload inEdge = new EdgePayload();
+        inEdge.setId(e.getId().get());
+        inEdge.setType(e.getType());
+        inEdge.setUrl(URL_BASE + "relationships/" + RelationshipSchemaLoader.getLatestSchemaVersion() + "/"
+            + e.getType() + "/" + e.getId().get());
+        inEdge.setSource(URL_BASE + version + "/" + e.getSource().getType() + "/" + e.getSource().getId().get());
+
+        inEdges.add(inEdge);
+      } else if (e.getSource().getId().get().equals(vertex.getId().get())) {
+        EdgePayload outEdge = new EdgePayload();
+        outEdge.setId(e.getId().get());
+        outEdge.setType(e.getType());
+        outEdge.setUrl(URL_BASE + "relationships/" + RelationshipSchemaLoader.getLatestSchemaVersion() + "/"
+            + e.getType() + "/" + e.getId().get());
+        outEdge.setTarget(URL_BASE + version + "/" + e.getTarget().getType() + "/" + e.getTarget().getId().get());
+        outEdges.add(outEdge);
+      }
+    }
+
+    vertexPayload.setIn(inEdges);
+    vertexPayload.setOut(outEdges);
+
+    return vertexPayload.toJson();
+  }
+
+  public static String buildGetVerticesResponse(List<Vertex> items, String version) throws CrudException {
+
+    JsonArray arry = new JsonArray();
+    for (Vertex v : items) {
+      JsonObject item = new JsonObject();
+      item.addProperty("id", v.getId().get());
+      item.addProperty("type", v.getType());
+      item.addProperty("url", "services/inventory/" + version + "/" + v.getType() + "/" + v.getId().get());
+
+      arry.add(item);
+    }
+
+    return gson.toJson(arry);
+  }
+
+  public static String buildGetEdgeResponse(Edge edge, String version) throws CrudException {
+
+    EdgePayload payload = new EdgePayload();
+    payload.setId(edge.getId().get());
+    payload.setType(edge.getType());
+    payload.setUrl(URL_BASE + "relationships/" + version + "/" + edge.getType() + "/" + edge.getId().get());
+    payload.setSource(URL_BASE + version + "/" + edge.getSource().getType() + "/" + edge.getSource().getId().get());
+    payload.setTarget(URL_BASE + version + "/" + edge.getTarget().getType() + "/" + edge.getTarget().getId().get());
+
+    JsonObject props = new JsonObject();
+    for (String key : edge.getProperties().keySet()) {
+      addJsonProperperty(props, key, edge.getProperties().get(key));
+    }
+    payload.setProperties(props);
+    return payload.toJson();
+  }
+
+  public static String buildGetEdgesResponse(List<Edge> items, String version) throws CrudException {
+
+    JsonArray arry = new JsonArray();
+    for (Edge e : items) {
+      JsonObject item = new JsonObject();
+      item.addProperty("id", e.getId().get());
+      item.addProperty("type", e.getType());
+      item.addProperty("url", URL_BASE + "relationships/" + version + "/" + e.getType() + "/" + e.getId().get());
+      item.addProperty(SOURCE,
+          "services/inventory/" + version + "/" + e.getSource().getType() + "/" + e.getSource().getId().get());
+      item.addProperty(TARGET,
+          "services/inventory/" + version + "/" + e.getTarget().getType() + "/" + e.getTarget().getId().get());
+      arry.add(item);
+    }
+
+    return gson.toJson(arry);
+  }
+
+  private static void addJsonProperperty(JsonObject jsonObj, String key, Object value) {
+    if (value instanceof Integer) {
+      jsonObj.addProperty(key, (Integer) value);
+    } else if (value instanceof Boolean) {
+      jsonObj.addProperty(key, (Boolean) value);
+    } else if (value instanceof Double) {
+      jsonObj.addProperty(key, (Double) value);
+    } else if (value instanceof String) {
+      jsonObj.addProperty(key, (String) value);
+    } else {
+      jsonObj.addProperty(key, value.toString());
+    }
+  }
+
+}