Building ASP.NET Core APIs
Learn how to build REST APIs and services with ASP.NET Core in .NET 10.
In this workshop you build REST APIs and services with ASP.NET Core, from the request pipeline and routing to validation, OpenAPI and minimal APIs. It is up to date with .NET 10 and Visual Studio 2026.
The workshop mixes presentations with plenty of hands-on exercises.
Who Is This Workshop For?
C# developers who want to start building REST APIs and services with ASP.NET Core.
Prerequisites
You should have fundamental C# knowledge, including LINQ and lambda expressions, and a basic knowledge of HTTP(S) and how the web works.
Workshop Agenda
During the workshop, we cover the following topics.
- REST
- .NET Introduction
- Hello ASP.NET
- Request pipeline
- Controllers and actions
- Routing
- Dependency Injection
- Modifying resources
- Validation
- Problem details
- OpenAPI / Swagger
- Consuming the API
- Minimal API
Related Workshops
About the Trainer
My name is Tore Nestenius. I teach on-site and remotely, both directly for companies and through training companies in Europe. What I bring:
- I have trained developers since 2010 and taught several hundred courses and talks.
- I create, maintain and teach every course myself, and improve it after every delivery.
- I am a Microsoft .NET MVP.
- I co-founded Edument, a Swedish training and consulting company, where I was CTO, developer and trainer.
- I work as an independent senior .NET consultant, so I teach from real projects.
- I have worked with .NET and C# since 2002.
- I hold the Azure AZ-204 and AZ-900 certifications.
- I co-founded the .NET Skåne user group.

ASP.NET Core APIs
Duration
2 days
Level
Beginner
Language
English, Swedish
Training FAQs
Do you provide both on-site and remote training classes?
Yes, I provide both types of training.
Do you provide training in both Swedish and English?
Yes, both options are available. All my course materials are in English and I can teach the class in either Swedish or English.
Do you do half-day training?
When I run on-site, I usually do full-day classes. For remote training, I can provide options for both half and full days.
Do you do webinars and shorter talks?
Yes, please visit my Talks page for more details.
Do you provide customized courses?
Yes, I do. Contact me for more information.