You have a few options for getting started with the Google Calendar API.
The one-minute experience: APIs Explorer
To play around and see what the API can do, without writing any code, visit the APIs Explorer. Instant gratification!
The five-minute experience: Quickstart
For a step-by-step tutorial explaining how to get up and running, follow the instructions in one of our quickstart guides:
To look up a particular resource type or method, see the Reference.