diff --git a/src/Syndra.php b/src/Syndra.php
index ba0425d..c545cfb 100644
--- a/src/Syndra.php
+++ b/src/Syndra.php
@@ -191,6 +191,18 @@ public function respondInternalError($message)
             ->respondWithError($message);
     }
 
+    /**
+     * Use this for HTTP not implemented errors (501).
+     *
+     * @param string $message
+     * @return mixed
+     */
+    public function respondNotImplemented($message)
+    {
+        return $this->setStatusCode(Response::HTTP_NOT_IMPLEMENTED)
+            ->respondWithError($message);
+    }
+
     /**
      * Use this when the validation fails (422).
      *
diff --git a/tests/SyndraTest.php b/tests/SyndraTest.php
index 7deb602..feb501a 100644
--- a/tests/SyndraTest.php
+++ b/tests/SyndraTest.php
@@ -157,6 +157,20 @@ public function it_responds_with_internal_error()
         $this->assertEquals('{"error":{"message":"something","status_code":500}}', json_encode($response->getData()));
     }
 
+    /** @test */
+    public function it_responds_with_not_implemented()
+    {
+        $response = $this->syndra->respondNotImplemented('something');
+
+        $this->assertInstanceOf('Illuminate\Http\JsonResponse', $response);
+
+        $this->assertEquals(501, $response->getStatusCode());
+
+        $this->assertEquals([], $this->syndra->getHeaders());
+
+        $this->assertEquals('{"error":{"message":"something","status_code":501}}', json_encode($response->getData()));
+    }
+
     /** @test */
     public function it_responds_with_validation_error()
     {