Скачать или смотреть Build Your First .NET 10 Web API with Swagger in C# | Visual Studio 2026 (Step-by-Step)

In this video, you will learn how to build your first C# .NET 10 Web API using ASP.NET Core, Visual Studio 2026, and Swagger (OpenAPI) — step by step.

If you haven’t installed .NET 10 yet, check out our previous tutorial here:
Install .NET 10 and Visual Studio 2026:    • How to Install, Uninstall, Repair, Export ...  

This beginner-friendly tutorial covers:

Creating a new ASP.NET Core Web API project

Understanding the .NET 10 project structure

Configuring Swagger manually

Writing your first API controller in C#

Running the Web API using Visual Studio (F5)

Testing your API using Swagger UI

This tutorial is perfect for:

Beginners learning C#

Students and fresh graduates

Developers new to Web APIs

.NET developers upgrading to .NET 10

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