diff --git a/test/sdk_test.js b/test/sdk_test.js
index f429ac3..0ee3c0e 100644
--- a/test/sdk_test.js
+++ b/test/sdk_test.js
@@ -28,6 +28,10 @@ describe("The SDK Requirements", () => {
       expect(v02).to.have.property("BinaryHTTPReceiver");
     });
 
+    it("should exports 'HTTPUnmarshaller'", () => {
+      expect(v02).to.have.property("HTTPUnmarshaller");
+    });
+
     it("should exports 'event'", () => {
       expect(v02).to.have.property("event");
     });
@@ -58,6 +62,10 @@ describe("The SDK Requirements", () => {
       expect(v03).to.have.property("BinaryHTTPReceiver");
     });
 
+    it("should exports 'HTTPUnmarshaller'", () => {
+      expect(v03).to.have.property("HTTPUnmarshaller");
+    });
+
     it("should exports 'event'", () => {
       expect(v03).to.have.property("event");
     });
diff --git a/v02/index.js b/v02/index.js
index 1c56461..fe0e5d8 100644
--- a/v02/index.js
+++ b/v02/index.js
@@ -8,6 +8,8 @@ const StructuredHTTPReceiver =
 const BinaryHTTPReceiver =
   require("../lib/bindings/http/receiver_binary_0_2.js");
 
+const HTTPUnmarshaller = require("../lib/bindings/http/unmarshaller_0_3.js");
+
 function event() {
   return new Cloudevent(Spec);
 }
@@ -18,5 +20,6 @@ module.exports = {
   StructuredHTTPReceiver,
   BinaryHTTPEmitter : HTTPBinary02,
   BinaryHTTPReceiver,
+  HTTPUnmarshaller,
   event
 };
diff --git a/v03/index.js b/v03/index.js
index f6437e0..614b8af 100644
--- a/v03/index.js
+++ b/v03/index.js
@@ -10,6 +10,8 @@ const StructuredHTTPReceiver =
 const BinaryHTTPReceiver =
   require("../lib/bindings/http/receiver_binary_0_3.js");
 
+const HTTPUnmarshaller = require("../lib/bindings/http/unmarshaller_0_3.js");
+
 function event() {
   return new Cloudevent(Spec);
 }
@@ -20,5 +22,6 @@ module.exports = {
   StructuredHTTPReceiver,
   BinaryHTTPEmitter,
   BinaryHTTPReceiver,
+  HTTPUnmarshaller,
   event
 };