Write Your Billing Account Application

To create a small but functional basic client application using the Google Cloud Billing API, follow the steps in this tutorial.

Prerequisites
Get an account, learn about the product, and create a project in the Google Cloud Platform Console.
Set up your application
Download a client library for your programming language, set up authorization, provide your client ID and secret, and create a Service object.
Send requests
Send a few sample requests to the API.