The following samples show basic usage of various APIs. Throughout these samples, you will find code that relies on various authentication methods.

• OAuth2 - To use the OAuth2 samples, create a credential in the cloud developer console, and save the file as oauth2.keys.json in the samples directory.
• Service account - To use the service account based samples, create a new service account in the cloud developer console, and save the file as jwt.keys.json in the samples directory.
• API Key - To use simple API keys, create a new API Key in the cloud developer console, then store the key in the api_key field of config.json.

View and manage your Google Analytics data.

View and manage Blogger data.

Lets you set key/value pairs using the GCE metadata service.

Lets you search over a website or collection of websites.

The Google Mirror API allows you to build web-based services that interact with Google Glass. It provides this functionality over a cloud-based API and does not require running code on Glass.

With the YouTube Data API, you can add a variety of YouTube features to your application. Use the API to upload videos, manage playlists and subscriptions, update channel settings, and more.