The guide outlines the process of retrieving phone number pricing for Twilio Programmable Voice using Laravel. It covers installing required modules, setting up a new Laravel project, and adding Twilio's PHP SDK to authenticate API requests. The PricingController class is created with methods to retrieve the cost of phone numbers for different countries and list countries where Twilio services are available. The application also includes a visual interface to test the code, and routes are defined in the web.php file to handle HTTP requests.