Installation First thing is to download and setup the FOSRestBundle. If you are running Symfony 2.0.x, get the FOSRestBundle version 0.6, otherwise, download the code in the master branch. The FOSRestBundle depends on the JMSSerializerBundle so the following instructions are going to include some extra information for setting up this bundle to complete our REST service. First thing is to install our dependencies. Add the following to your deps file: [metadata] git=http://github.com/schmittjoh/metadata.git version=1.1.0 [JMSSerializerBundle] git=git://github.com/schmittjoh/JMSSerializerBundle.git target=bundles/JMS/SerializerBundle [FOSRest] git=git://github.com/FriendsOfSymfony/FOSRest.git target=fos/FOS/Rest [FOSRestBundle] git=git://github.com/FriendsOfSymfony/FOSRestBundle.git target=bundles/FOS/RestBundle version=origin/0.6 Run the vendors script to install these bundles: php bin/vendors install Next, update your app/autoload.php file...