diff --git a/.travis.yml b/.travis.yml
index c3bcccd..e178bc2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,9 @@ script:
   - ./vendor/bin/phpunit -c tests/phpunit.unit.sqlite.xml
   - ./vendor/bin/phpunit -c tests/phpunit.unit.postgres.xml
   - ./vendor/bin/phpunit -c tests/phpunit.functional.sqlite.xml
-  - cp ./tests/ci/config.postgres.php $TRAVIS_BUILD_DIR/config.php && ./vendor/bin/phpunit -c tests/phpunit.functional.postgres.xml
+  - cp ./tests/ci/config.postgres.php $TRAVIS_BUILD_DIR/config.php
+  - ./vendor/bin/phpunit -c tests/phpunit.functional.postgres.xml tests/functional/ApiTest.php
+  - ./vendor/bin/phpunit -c tests/phpunit.functional.postgres.xml tests/functional/FeverApiTest.php
 
 after_failure:
   - cat apache_error.log
diff --git a/ChangeLog b/ChangeLog
index 25c1a55..9852741 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,7 +16,7 @@ Version 1.2.0 (unreleased)
 * Add support for Expires and Cache-Control headers (HTTP cache)
 * Update Docker image to Ubuntu 16.04 and PHP 7.0
 * Add Docker compose file
-* Add functional tests (Json-RPC API)
+* Add functional tests (Json-RPC API and Fever API)
 * Add unit tests
 
 Migration procedure from 1.1.x to 1.2.0:
diff --git a/app/models/bookmark.php b/app/models/bookmark.php
index 3f08768..21f1db1 100644
--- a/app/models/bookmark.php
+++ b/app/models/bookmark.php
@@ -56,6 +56,7 @@ function get_bookmarked_item_ids($user_id)
         ->table(Model\Item\TABLE)
         ->eq('user_id', $user_id)
         ->eq('bookmark', 1)
+        ->asc('id')
         ->findAllByColumn('id');
 }
 
diff --git a/app/models/item.php b/app/models/item.php
index 94ba28b..936e35a 100644
--- a/app/models/item.php
+++ b/app/models/item.php
@@ -294,6 +294,7 @@ function get_item_ids_by_status($user_id, $status)
         ->table('items')
         ->eq('user_id', $user_id)
         ->eq('status', $status)
+        ->asc('id')
         ->findAllByColumn('id');
 }
 
diff --git a/fever/index.php b/fever/index.php
index f65f39b..b1fe0c8 100644
--- a/fever/index.php
+++ b/fever/index.php
@@ -50,11 +50,20 @@ route('groups', function () {
     list($user, $authenticated, $response) = auth();
 
     if ($authenticated) {
-        $response['groups'] = Model\Group\get_all($user['id']);
+        $response['groups'] = array();
         $response['feeds_groups'] = array();
-        $group_map = Model\Group\get_groups_feed_ids($user['id']);
 
-        foreach ($group_map as $group_id => $feed_ids) {
+        $groups = Model\Group\get_all($user['id']);
+        $feed_groups = Model\Group\get_groups_feed_ids($user['id']);
+
+        foreach ($groups as $group) {
+            $response['groups'][] = array(
+                'id'    => $group['id'],
+                'title' => $group['title'],
+            );
+        }
+
+        foreach ($feed_groups as $group_id => $feed_ids) {
             $response['feeds_groups'][] = array(
                 'group_id' => $group_id,
                 'feed_ids' => implode(',', $feed_ids)
@@ -102,7 +111,6 @@ route('feeds', function () {
 // Call: ?api&favicons
 route('favicons', function () {
     list($user, $authenticated, $response) = auth();
-
     if ($authenticated) {
         $favicons = Model\Favicon\get_favicons_with_data_url($user['id']);
         $response['favicons'] = array();
@@ -110,7 +118,7 @@ route('favicons', function () {
         foreach ($favicons as $favicon) {
             $response['favicons'][] = array(
                 'id' => (int) $favicon['feed_id'],
-                'data' => $favicon['url'],
+                'data' => $favicon['data_url'],
             );
         }
     }
diff --git a/tests/ci/config.postgres.php b/tests/ci/config.postgres.php
index 1242b45..a0fd293 100644
--- a/tests/ci/config.postgres.php
+++ b/tests/ci/config.postgres.php
@@ -1,7 +1,7 @@
 <?php
 
-define('DB_DRIVER', 'postgres');
-define('DB_HOSTNAME', 'localhost');
-define('DB_NAME', 'miniflux_functional_test');
-define('DB_USERNAME', 'postgres');
-define('DB_PASSWORD', '');
+defined('DB_DRIVER') or define('DB_DRIVER', 'postgres');
+defined('DB_HOSTNAME') or define('DB_HOSTNAME', 'localhost');
+defined('DB_NAME') or define('DB_NAME', 'miniflux_functional_test');
+defined('DB_USERNAME') or define('DB_USERNAME', 'postgres');
+defined('DB_PASSWORD') or define('DB_PASSWORD', '');
diff --git a/tests/functional/ApiTest.php b/tests/functional/ApiTest.php
index ab1393a..af49186 100644
--- a/tests/functional/ApiTest.php
+++ b/tests/functional/ApiTest.php
@@ -1,7 +1,5 @@
 <?php
 
-use JsonRPC\Client;
-
 require_once __DIR__.'/BaseApiTest.php';
 
 class ApiTest extends BaseApiTest
@@ -192,16 +190,4 @@ class ApiTest extends BaseApiTest
     {
         $this->assertTrue($this->getApiClient()->removeFeed(1));
     }
-
-    protected function getApiClient(array $user = array())
-    {
-        if (empty($user)) {
-            $user = $this->adminUser;
-        }
-
-        $apiUserClient = new Client(API_URL);
-        $apiUserClient->authentication($user['username'], $user['api_token']);
-
-        return $apiUserClient;
-    }
 }
diff --git a/tests/functional/BaseApiTest.php b/tests/functional/BaseApiTest.php
index c4f31bc..5bc81de 100644
--- a/tests/functional/BaseApiTest.php
+++ b/tests/functional/BaseApiTest.php
@@ -1,19 +1,41 @@
 <?php
 
+use JsonRPC\Client;
+
 require_once __DIR__.'/../../app/common.php';
 
 abstract class BaseApiTest extends PHPUnit_Framework_TestCase
 {
     protected $adminUser = array();
 
-    public function setUp()
+    public static function setUpBeforeClass()
     {
         if (DB_DRIVER === 'postgres') {
             $pdo = new PDO('pgsql:host='.DB_HOSTNAME, DB_USERNAME, DB_PASSWORD);
+            $pdo->exec("SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = '".DB_NAME."' AND pid <> pg_backend_pid()");
+            $pdo->exec('DROP DATABASE '.DB_NAME);
             $pdo->exec('CREATE DATABASE '.DB_NAME.' WITH OWNER '.DB_USERNAME);
+            $pdo = null;
+        } else if (file_exists(DB_FILENAME)) {
+            unlink(DB_FILENAME);
         }
+    }
 
+    public function setUp()
+    {
         $db = Miniflux\Database\get_connection();
         $this->adminUser = $db->table(Miniflux\Model\User\TABLE)->eq('username', 'admin')->findOne();
     }
+
+    protected function getApiClient(array $user = array())
+    {
+        if (empty($user)) {
+            $user = $this->adminUser;
+        }
+
+        $apiUserClient = new Client(API_URL);
+        $apiUserClient->authentication($user['username'], $user['api_token']);
+
+        return $apiUserClient;
+    }
 }
diff --git a/tests/functional/FeverApiTest.php b/tests/functional/FeverApiTest.php
new file mode 100644
index 0000000..3cf4769
--- /dev/null
+++ b/tests/functional/FeverApiTest.php
@@ -0,0 +1,223 @@
+<?php
+
+require_once __DIR__.'/BaseApiTest.php';
+
+class FeverApiTest extends BaseApiTest
+{
+    public function testGetVersion()
+    {
+        $response = $this->executeFeverApiCall();
+        $this->assertEquals(3, $response['api_version']);
+        $this->assertEquals(1, $response['auth']);
+        $this->assertArrayHasKey('last_refreshed_on_time', $response);
+    }
+
+    public function testGetLinks()
+    {
+        $response = $this->executeFeverApiCall('links');
+        $this->assertEquals(3, $response['api_version']);
+        $this->assertEquals(1, $response['auth']);
+        $this->assertArrayHasKey('last_refreshed_on_time', $response);
+        $this->assertSame(array(), $response['links']);
+    }
+
+    public function testGetEmptyFeeds()
+    {
+        $response = $this->executeFeverApiCall('feeds');
+        $this->assertEquals(3, $response['api_version']);
+        $this->assertEquals(1, $response['auth']);
+        $this->assertArrayHasKey('last_refreshed_on_time', $response);
+        $this->assertSame(array(), $response['feeds']);
+        $this->assertSame(array(), $response['feeds_groups']);
+    }
+
+    public function testGetEmptyGroups()
+    {
+        $response = $this->executeFeverApiCall('groups');
+        $this->assertEquals(3, $response['api_version']);
+        $this->assertEquals(1, $response['auth']);
+        $this->assertArrayHasKey('last_refreshed_on_time', $response);
+        $this->assertSame(array(), $response['groups']);
+        $this->assertSame(array(), $response['feeds_groups']);
+    }
+
+    public function testGetFeedsAndGroups()
+    {
+        $this->createFeedAndGroups();
+
+        $response = $this->executeFeverApiCall('feeds');
+
+        $this->assertEquals(1, $response['feeds'][0]['id']);
+        $this->assertEquals(1, $response['feeds'][0]['favicon_id']);
+        $this->assertNotEmpty($response['feeds'][0]['title']);
+        $this->assertNotEmpty($response['feeds'][0]['url']);
+        $this->assertNotEmpty($response['feeds'][0]['site_url']);
+        $this->assertNotEmpty($response['feeds'][0]['last_updated_on_time']);
+        $this->assertEquals(0, $response['feeds'][0]['is_spark']);
+
+        $this->assertEquals(array(array('group_id' => 1, 'feed_ids' => '1')), $response['feeds_groups']);
+
+        $response = $this->executeFeverApiCall('groups');
+
+        $this->assertEquals(array(array('id' => 1, 'title' => 'open source software')), $response['groups']);
+    }
+
+    public function testGetFavicons()
+    {
+        $response = $this->executeFeverApiCall('favicons');
+
+        $this->assertEquals(1, $response['favicons'][0]['id']);
+        $this->assertNotEmpty($response['favicons'][0]['data']);
+    }
+
+    public function testGetItems()
+    {
+        $response = $this->executeFeverApiCall('items');
+
+        $this->assertGreaterThan(2, $response['total_items']);
+        $this->assertEquals(1, $response['items'][0]['id']);
+        $this->assertEquals(1, $response['items'][0]['feed_id']);
+        $this->assertNotEmpty($response['items'][0]['title']);
+        $this->assertNotEmpty($response['items'][0]['author']);
+        $this->assertNotEmpty($response['items'][0]['html']);
+        $this->assertNotEmpty($response['items'][0]['url']);
+        $this->assertEquals(0, $response['items'][0]['is_saved']);
+        $this->assertEquals(0, $response['items'][0]['is_read']);
+        $this->assertGreaterThan(0, $response['items'][0]['created_on_time']);
+    }
+
+    public function testGetItemsWithIds()
+    {
+        $response = $this->executeFeverApiCall('items&with_ids=2,3');
+
+        $this->assertGreaterThan(2, $response['total_items']);
+        $this->assertCount(2, $response['items']);
+        $this->assertEquals(2, $response['items'][0]['id']);
+        $this->assertEquals(3, $response['items'][1]['id']);
+    }
+
+    public function testGetItemsWithSinceId()
+    {
+        $response = $this->executeFeverApiCall('items&since_id=1');
+
+        $this->assertGreaterThan(2, $response['total_items']);
+        $this->assertEquals(2, $response['items'][0]['id']);
+    }
+
+    public function testGetUnreadItems()
+    {
+        $response = $this->executeFeverApiCall('unread_item_ids');
+        $this->assertStringStartsWith('1,2,', $response['unread_item_ids']);
+    }
+
+    public function testMarkItemAsRead()
+    {
+        $this->assertNotNull($this->executeFeverApiCall('', array(
+            'mark' => 'item',
+            'as'   => 'read',
+            'id'   =>  1,
+        )));
+
+        $response = $this->executeFeverApiCall('items&with_ids=1');
+        $this->assertEquals(1, $response['items'][0]['id']);
+        $this->assertEquals(1, $response['items'][0]['is_read']);
+    }
+
+    public function testMarkItemAsSaved()
+    {
+        $this->assertNotNull($this->executeFeverApiCall('', array(
+            'mark' => 'item',
+            'as'   => 'saved',
+            'id'   =>  2,
+        )));
+
+        $response = $this->executeFeverApiCall('items&with_ids=2');
+        $this->assertEquals(2, $response['items'][0]['id']);
+        $this->assertEquals(0, $response['items'][0]['is_read']);
+        $this->assertEquals(1, $response['items'][0]['is_saved']);
+
+        $response = $this->executeFeverApiCall('saved_item_ids');
+        $this->assertStringStartsWith('2', $response['saved_item_ids']);
+    }
+
+    public function testMarkItemAsUnSaved()
+    {
+        $this->assertNotNull($this->executeFeverApiCall('', array(
+            'mark' => 'item',
+            'as'   => 'unsaved',
+            'id'   =>  2,
+        )));
+
+        $response = $this->executeFeverApiCall('items&with_ids=2');
+        $this->assertEquals(2, $response['items'][0]['id']);
+        $this->assertEquals(0, $response['items'][0]['is_read']);
+        $this->assertEquals(0, $response['items'][0]['is_saved']);
+    }
+
+    public function testMarkFeedAsRead()
+    {
+        $response = $this->executeFeverApiCall('items');
+        $items = $response['items'];
+        $nbItems = count($items);
+
+        $this->assertNotNull($this->executeFeverApiCall('', array(
+            'mark'    => 'feed',
+            'as'      => 'read',
+            'id'      =>  1,
+            'before'  =>  $items[$nbItems - 1]['created_on_time'],
+        )));
+
+        $response = $this->executeFeverApiCall('items&with_ids=' . $items[$nbItems - 2]['id']);
+        $this->assertEquals(0, $response['items'][0]['is_read']);
+
+        $response = $this->executeFeverApiCall('items&with_ids=' . $items[$nbItems - 1]['id']);
+        $this->assertEquals(1, $response['items'][0]['is_read']);
+    }
+
+    public function testMarkGroupAsRead()
+    {
+        $this->assertNotNull($this->executeFeverApiCall('', array(
+            'mark'    => 'group',
+            'as'      => 'read',
+            'id'      =>  1,
+            'before'  =>  time(),
+        )));
+
+        $response = $this->executeFeverApiCall('unread_item_ids');
+        $this->assertSame('', $response['unread_item_ids']);
+    }
+
+    protected function executeFeverApiCall($endpoint = '', array $data = array())
+    {
+        $url = FEVER_API_URL . '?api&' . $endpoint;
+        $headers = array(
+            'Content-type: application/x-www-form-urlencoded',
+            'Accept: application/json',
+        );
+
+        $payload = array(
+            'api_key' => $this->adminUser['fever_api_key'],
+        );
+
+        $context = stream_context_create(array(
+            'http' => array(
+                'method' => 'POST',
+                'protocol_version' => 1.1,
+                'timeout' => 2,
+                'header' => implode("\r\n", $headers),
+                'content' => http_build_query(array_merge($payload, $data)),
+            ),
+        ));
+
+        $stream = fopen($url, 'r', false, $context);
+        return json_decode(stream_get_contents($stream), true);
+    }
+
+    protected function createFeedAndGroups()
+    {
+        $this->assertNotFalse($this->getApiClient()->createFeed(array(
+            'url' => 'https://miniflux.net/feed',
+            'group_name' => 'open source software',
+        )));
+    }
+}
diff --git a/tests/phpunit.functional.postgres.xml b/tests/phpunit.functional.postgres.xml
index 873d284..add6bae 100644
--- a/tests/phpunit.functional.postgres.xml
+++ b/tests/phpunit.functional.postgres.xml
@@ -6,5 +6,10 @@
     </testsuites>
     <php>
         <const name="API_URL" value="http://127.0.0.1/jsonrpc.php" />
+        <const name="FEVER_API_URL" value="http://127.0.0.1/fever/" />
+        <const name="DB_DRIVER" value="postgres" />
+        <const name="DB_USERNAME" value="postgres" />
+        <const name="DB_PASSWORD" value="" />
+        <const name="DB_NAME" value="miniflux_functional_test" />
     </php>
 </phpunit>
diff --git a/tests/phpunit.functional.sqlite.xml b/tests/phpunit.functional.sqlite.xml
index 061657a..747ad9b 100644
--- a/tests/phpunit.functional.sqlite.xml
+++ b/tests/phpunit.functional.sqlite.xml
@@ -6,6 +6,7 @@
     </testsuites>
     <php>
         <const name="API_URL" value="http://127.0.0.1/jsonrpc.php" />
+        <const name="FEVER_API_URL" value="http://127.0.0.1/fever/" />
         <const name="DB_FILENAME" value="data/db.sqlite" />
     </php>
 </phpunit>