1. Go to http://console.developers.google.com 

Sign Up if you don't already have an account.


2. Create a new project or use an existing one.


3. Enable YouTube Data API v3 by clicking on "Enable API's and Services" and search for "YouTube".


4. Click on Create Credentials > API Key


5. (If you are asked) Where will you be calling the API from - select "Web browser (JavaScript)" from the drop down.


6. (If you are asked) What data will you be accessing, select "public data". 


7. Click on "What credentials do I need?" button.


8. Copy/Paste your API key to Content Gorilla and click authorize.


You're now ready to start using Content Gorilla.