You Tube Integration with salesforce

You need a google api key for access data from youtube.
Steps to create api key :
1. Go here : https://console.developers.google.com/project 
2. Click on Create Project, put name of project then Create (Wait)
3. Go on -->Api & Outh ---> Credentials
4. Click on Create New Key
5. Select Server Key
6. Now Copy The Api Key and put in code ( private static final String API_KEY = ''; )

Click here to get code from my developer org ...