There are several options for how to start using the Google Search Console API.
The one-minute experience
APIs Explorer in your browser
To try out the API quickly in your browser, without writing any code, use the Try it! button in the reference page for any method.
The one-hour experience
For a step-by-step tutorial explaining how to get up and running, follow the instructions in Your First Python App.
Reference
To look up a particular resource type or method, see the Reference.