Building Web APIs with ASP.NET Core 8

Learn how to retrieve, write, and test data as you build APIs in ASP.NET 8 Core.

Introduction

• Web APIs with ASP.NET Core 8
• Why an API?
• What you should know

1. Getting Started

• Prerequisites and setup
• "Hello World," API style
• "Hello World" with Visual Studio Code
• Minimal APIs
• HTTP in a nutshell
• REST basics
• API design basics
• Tools for API testing

2. Retrieving Data

• Controllers and actions
• Routing basics
• Creating a data model
• Using entity framework core
• Returning a list of items
• Using ActionResult
• Returning an item
• Handling errors
• Making the API asynchronous
• Working with minimal APIs
• Challenge: Searching items
• Solution: Searching items

3. Writing Data

• HTTP methods
• Model binding
• Adding an item with POST
• Model validation
• Updating an item with PUT
• Deleting an item with DELETE
• Migrating the code to Minimal APIs
• Challenge: Deleting several items
• Solution: Deleting several items

Conclusion

• Next steps