Technical Summary: FastEndpointApi FastEndpointApi is a comprehensive demonstration and educational project showcasing the FastEndpoints framework—a lightweight, high-performance REST API framework for ASP.NET Core that implements the REPR (Request-Endpoint-Response) pattern. The repository contains a fully functional Person Management API deployed to Azure, featuring complete CRUD operations, in-memory data persistence, service layer abstraction, and interactive Swagger documentation. Built with .NET 10.0 and FastEndpoints 7.1.1, the project leverages modern technologies including dependency injection, automatic request-response mapping, HATEOAS hypermedia links, and GitHub Actions CI/CD pipelines for automated deployment. The architecture emphasizes clean code principles and minimal boilerplate through endpoint-based organization rather than traditional MVC controllers, with integrated data seeding via Bogus and a Bootstrap 5-based HTML frontend for interactive API testing. This repository serves as both a learning resource and production-ready reference implementation for developers seeking to understand FastEndpoints' capabilities, particularly those looking to streamline ASP.NET Core API development while maintaining separation of concerns and high performance standards. The project is actively maintained with comprehensive documentation, live demo accessibility, and clear examples of advanced patterns like HATEOAS implementation and structured error handling.