Amazon, the world's largest online retailer, offers developers access to its vast product data through the Amazon Product API, allowing them to build services that utilize functionalities like product search, product details, and customer reviews. This text details a project for creating a web service using Ruby and Sinatra to search for Amazon products via the Amazon Product API, accessed through RapidAPI. The guide outlines the technical setup, including necessary tools like Ruby, Sinatra, and Excon, and explains how to create a simple application that allows users to search for products using keywords and view details such as price, rating, and Amazon Prime eligibility. The project aims to demonstrate the integration of the Amazon Price API into a Ruby application, providing a foundation that can be expanded upon to include additional API features such as detailed price reports. The article emphasizes the ease of using Sinatra for quick project setup and highlights its simplicity in developing API-driven applications.