In this article, we are going to implement a sample in .NET6 Web API to send emails using the SendGrid Nuget Package. Create A .Net6 Web API Project: Let's create a .Net6 Web API sample application to accomplish our demo. We can use either Visual Studio 2022 or Visual Studio Code(using .NET CLI commands) to create any.Net6 application. For this demo, I'm using the 'Visual Studio Code'(using the .NET CLI command) editor. CLI command dotnet new webapi -o Your_Project_Name SendGrid: SendGrid is a third-party email provider from which we can deal with 'send', and 'receive' operations of email to our application. SendGrid SMTP(Simple Mail Transfer Protocol) provider for email transfer. SendGrid also provides SendGrid .Net NuGet package that provides easy configuration to any .NET applications. So to use the SendGrid SMTP we need 'Auth Key', 'From Email', so let's register into the SendGrid. The following are the steps to register and