diff --git a/examples/relational/api.php b/examples/relational/api.php
index 9c1d4a79..5b62898a 100644
--- a/examples/relational/api.php
+++ b/examples/relational/api.php
@@ -33,6 +33,7 @@ $server = new ResourceServer(
 $request = (new Request)->createFromGlobals();
 $router = new \Orno\Route\RouteCollection;
 
+// GET /tokeninfo
 $router->get('/tokeninfo', function (Request $request) use ($server) {
 
     $token = [
@@ -47,12 +48,64 @@ $router->get('/tokeninfo', function (Request $request) use ($server) {
 
 });
 
+// GET /users
+$router->get('/users', function (Request $request) use ($server) {
+
+    $results = (new Model\Users())->get();
+
+    $users = [];
+
+    foreach ($results as $result) {
+        $user = [
+            'username'  =>  $result['username'],
+            'name'      =>  $result['name']
+        ];
+
+        if ($server->hasScope('email')) {
+            $user['email'] = $result['email'];
+        }
+
+        if ($server->hasScope('photo')) {
+            $user['photo'] = $result['photo'];
+        }
+
+        $users[] = $user;
+    }
+
+    return new Response(json_encode($users));
+});
+
+// GET /users/{username}
+$router->get('/users/{username}', function (Request $request, $args) use ($server) {
+
+    $result = (new Model\Users())->get($args['username']);
+
+    if (count($result) === 0) {
+        throw new NotFoundException();
+    }
+
+    $user = [
+        'username'  =>  $result[0]['username'],
+        'name'      =>  $result[0]['name']
+    ];
+
+    if ($server->hasScope('email')) {
+        $user['email'] = $result[0]['email'];
+    }
+
+    if ($server->hasScope('photo')) {
+        $user['photo'] = $result[0]['photo'];
+    }
+
+    return new Response(json_encode($user));
+});
+
 $dispatcher = $router->getDispatcher();
 
 try {
 
     // Check that access token is present
-    $server->isValidRequest();
+    $server->isValidRequest(false);
 
     // A successful response
     $response = $dispatcher->dispatch(
@@ -89,4 +142,4 @@ try {
     $response->headers->set('Content-type', 'application/json');
     $response->send();
 
-}
\ No newline at end of file
+}
diff --git a/examples/relational/other_grants.php b/examples/relational/other_grants.php
index 6b399ebd..ceff87f7 100644
--- a/examples/relational/other_grants.php
+++ b/examples/relational/other_grants.php
@@ -1,24 +1,22 @@
 <?php
-
-namespace OAuth2Server\RelationalExample;
-
 use \Orno\Http\Request;
 use \Orno\Http\Response;
 use \Orno\Http\JsonResponse;
-use \Orno\Http\Exception\MethodNotAllowedException;
-
-use Illuminate\Database\Capsule\Manager as Capsule;
-
-// use \League\OAuth2\Server\Exception;
+use \Orno\Http\Exception\NotFoundException;
+use \League\OAuth2\Server\ResourceServer;
 use \RelationalExample\Storage;
 use \RelationalExample\Model;
+use Illuminate\Database\Capsule\Manager as Capsule;
+use \League\Event\Emitter;
 
 include __DIR__.'/vendor/autoload.php';
 
 // Routing setup
+$request = (new Request)->createFromGlobals();
 $router = new \Orno\Route\RouteCollection;
+$router->setStrategy(\Orno\Route\RouteStrategyInterface::RESTFUL_STRATEGY);
 
-// Set up the OAuth 2.0 resource server
+// Set up the OAuth 2.0 authorization server
 $server = new \League\OAuth2\Server\AuthorizationServer;
 $server->setSessionStorage(new Storage\SessionStorage);
 $server->setAccessTokenStorage(new Storage\AccessTokenStorage);
@@ -27,6 +25,12 @@ $server->setClientStorage(new Storage\ClientStorage);
 $server->setScopeStorage(new Storage\ScopeStorage);
 $server->setAuthCodeStorage(new Storage\AuthCodeStorage);
 
+$clientCredentials = new \League\OAuth2\Server\Grant\ClientCredentialsGrant();
+$server->addGrantType($clientCredentials);
+$passwordGrant = new \League\OAuth2\Server\Grant\PasswordGrant();
+$server->addGrantType($passwordGrant);
+$refrehTokenGrant = new \League\OAuth2\Server\Grant\RefreshTokenGrant();
+$server->addGrantType($refrehTokenGrant);
 $clientCredentials = new \League\OAuth2\Server\Grant\ClientCredentialsGrant();
 $server->addGrantType($clientCredentials);
 $passwordGrant = new \League\OAuth2\Server\Grant\PasswordGrant();
@@ -34,8 +38,9 @@ $server->addGrantType($passwordGrant);
 $refrehTokenGrant = new \League\OAuth2\Server\Grant\RefreshTokenGrant();
 $server->addGrantType($refrehTokenGrant);
 
+// Routing setup
 $request = (new Request)->createFromGlobals();
-$server->setRequest($request);
+$router = new \Orno\Route\RouteCollection;
 
 $router->post('/access_token', function (Request $request) use ($server) {
 
@@ -60,5 +65,42 @@ $router->post('/access_token', function (Request $request) use ($server) {
 });
 
 $dispatcher = $router->getDispatcher();
-$response = $dispatcher->dispatch($request->getMethod(), $request->getPathInfo());
-$response->send();
+
+try {
+
+    // A successful response
+    $response = $dispatcher->dispatch(
+        $request->getMethod(),
+        $request->getPathInfo()
+    );
+
+} catch (\Orno\Http\Exception $e) {
+
+    // A failed response
+    $response = $e->getJsonResponse();
+    $response->setContent(json_encode(['status_code' => $e->getStatusCode(), 'message' => $e->getMessage()]));
+
+} catch (\League\OAuth2\Server\Exception\OAuthException $e) {
+
+    $response = new Response(json_encode([
+        'error'     =>  $e->errorType,
+        'message'   =>  $e->getMessage()
+    ]), $e->httpStatusCode);
+
+    foreach ($e->getHttpHeaders() as $header) {
+        $response->headers($header);
+    }
+
+} catch (\Exception $e) {
+
+    $response = new Orno\Http\Response;
+    $response->setStatusCode(500);
+    $response->setContent(json_encode(['status_code' => 500, 'message' => $e->getMessage()]));
+
+} finally {
+
+    // Return the response
+    $response->headers->set('Content-type', 'application/json');
+    $response->send();
+
+}