The main objectives of this article are: .NET7 Web API Install .NET7 SDK And IDE Create A .NET7 Web API Application SQL Database ConnectionString Entity Framework Core Install Entity Framework Core NuGet Packages Entity Framework Core DatabaeContext .NET7 Web API: Web API is framework for building an HTTP service that can be accessed by any clients like browser, mobile devices, and desktop apps. In simple terminology API(Application Programming Interface) means an interface module that contains a programming function that can be requested via HTTP calls to save or fetch the data from their respective clients. Some of the key characteristics of API are: Supports HTTP verbs like 'GET', 'POST', 'PUT', 'DELETE', etc. Supports default responses like 'XML', and 'JSON'. Also can define custom responses. Supports self-hosting or individual hosting, so that all different kinds of apps can consume it. Authentication and Authorization are easy to i