Service name is the name of the Google service for which authorization is requested. It is used in ClientLogin, and each Google service has its own service name.
To obtain an authentication token in ClientLogin, submit an HTTP POST request to the following URL:
https://www.google.com/accounts/ClientLogin
List of Service Names
| Calendar Data API | cl |
| Google Base Data API | gbase |
| Blogger Data API | blogger |
| Contacts Data API | cp |
| Documents List Data API | writely |
| Picasa Web Albums Data API | lh2 |
| Google Apps API | apps |
| Spreadsheets Data API | wise |
| YouTube Data API | youtube |
For more information on the other parameters used in the ClientLogin POST, please see the ClientLogin documentation.