Implementing Advanced Features for Web Services

Learn about implementing a health check API, Open API, transient fault handling, and adding security HTTP headers.

We'll cover the following

Implementing a Health Check API
- Try it yourself
Implementing Open API analyzers and conventions
Implementing transient fault handling
Adding security HTTP headers
- Try it yourself
Enabling HTTP/3 support for HttpClient

Implementing a Health Check API

Many paid services perform site availability tests that are basic pings, some with more advanced analysis of the HTTP response. ASP.NET Core 2.2 and later make it easy to implement more detailed website health checks. For example, the website might be live, but is it ready? Can it retrieve data from its database?

Let’s add basic health check capabilities to our web service:

Step 1: In the Northwind.WebApi project, add package references to enable Entity Framework Core database health checks, as shown in the following markup:

Get hands-on with 1400+ tech skills courses.

Introduction

Hello, C#! Welcome, .NET!

Speaking C#

Controlling Flow, Converting Types, and Handling Exception

Writing, Debugging, and Testing Functions

Building Your Own Types with Object-Oriented Programming

Implementing Interfaces and Inheriting Classes

Packaging and Distributing .NET Types

Working with Common .NET Types

Working with Files, Streams, and Serialization

Working with Data Using Entity Framework Core

Querying and Manipulating Data Using LINQ

Introducing Web Development Using ASP.NET Core

Building Websites Using ASP.NET Core Razor Pages

Building Websites Using the Model-View-Controller Pattern

Building and Consuming Web Services

Building User Interfaces Using Blazor

Conclusion

Implementing Advanced Features for Web Services

Implementing a Health Check API