# Exercise: Northwind Web API

Exercise: Northwind Web API: Exercise: Northwind Web API.

Updated: November 3, 2026

1. [Exercise: Northwind Web API](https://www.ask-codey.com/lessons/exercise-northwind-web-api) (Journeyman): Build Northwind's products API. Write an async controller with GET (all, by category, by id), POST, PUT and DELETE, each answering the right status code, and set up Program.cs to register the DAO and handle errors in one place.

Source: https://www.ask-codey.com/courses/csharp-full-stack-bootcamp/topics/exercise-northwind-web-api