By Tim Deschryver and Rick Anderson This tutorial teaches the basics of building a controller-based web API that uses a database. Another approach to creating APIs in ASP.NET Core is to create …

Jun 1, 2024 · ASP.NET Core supports creating web APIs using controllers or using minimal APIs. Controllers in a web API are classes that derive from ControllerBase. Controllers are activated and …

Aug 21, 2024 · They're ideal for microservices and apps that want to include only the minimum files, features, and dependencies in ASP.NET Core. This tutorial teaches the basics of building a minimal …

Aug 26, 2024 · This tutorial provides a walkthrough of adding Swagger to generate documentation and help pages for a web API app.

Create a RESTful service with ASP.NET Core controllers that supports create, read, update, and delete (CRUD) operations.

Sep 29, 2025 · When using JWT access tokens for API authorization, the API grants or denies access based on the provided token. If the request is not authorized, a 401 or 403 response is returned.

Learn to use ASP.NET Core to create web apps and services that are fast, secure, cross-platform, and cloud-based. Browse tutorials, sample code, fundamentals, API reference and more.

Apr 4, 2025 · This tutorial series demonstrates how to protect an ASP.NET Core web API with the Microsoft identity platform to limit it's access to only authorized users and client apps.

Sep 29, 2025 · Learn how CORS as a standard for allowing or rejecting cross-origin requests in an ASP.NET Core app.

Feb 14, 2024 · In ASP.NET Core, authentication is handled by the authentication service, IAuthenticationService, which is used by authentication middleware. The authentication service uses …