Web API Tutorial (Posts by Dotnettricks)

Ajitsamal Afinoz
3 min readNov 26, 2019


In computer programming, an application programming interface (API) is a set of tools and techniques like definitions, protocols, and basic skills for making software and applications.

In simple terms, API is a kind of interface that allows programmers to access certain specific data or features of any operating system, application or software.

Web API is an API on the internet which can be accessed using the HTTP protocol. It is a concept and not a technology. We can create Web APIs using Java, .Net, etc. Web API services are used when the application is to be used on a distributed system. Web API is a great framework for exposing your data and service to different-different devices.

ASP.NET Web API is a structure that helps to create HTTP services that can be accessed from any client including browsers and mobile devices, web,windows, etc. It is a known platform for building RESTful applications on the .NET framework. It supports only HTTP protocol It is very similar to ASP.NET MVC since it contains the MVC features.ASP.NET Web API tutorial provides basic and advanced concepts of ASP.NET. This is designed for both beginners and professionals to learn Web API and RESTful services. ASP.NET Web API is only and only an extension of WCF REST API. In short, it is a replacement for WCF REST API.

If you like to get exposure for your service data to the browsers and all these modern devices apps in a fast and simple way, you should have an API that is compatible and easy to use with browsers and all these devices.

PREREQUISITES: Before learning Web API, the user must have basic knowledge of Http methods, C# properties also Knowledge of MVC will be plus point.


1.ASP.NET Web API maps HTTP verbs to method names.

2.ASP.NET Web API supports different formats of response data.

3.It has built-in support for JSON, XML, BSON and other data formats.

4.ASP.NET Web API framework includes new HttpClient to interact with the Web API server.

5.It has open-source and ships with .NET framework.

6.ASP.NET Web API is made on top of ASP.NET and supports ASP.NET request/response pipeline.

7.It may accept and generate the content which may not be data but images, PDF files, etc.


1.It contains features like routing, controllers, Action results, Filter, Model, etc.

2.Stand-alone services can be developed using ASP. NET Web API.

3.Web API may or may not be RESTful services, but they are always HTTP based services.

4.It helps to develop light weighted and maintainable Web Services.

5.Web API usually supports IIS hosting and self-hosting.

6.It has east configuration, unlike WCF REST service.


ASP.NET Web API has complicated yet easy to use configuration. In the programming world, it is one of the best frameworks to work with. It has a lot of pros and it will surely enhance your programming skills.so you can check asp.net web api interview question with click this link.

Originally published at https://www.bloglovin.com on November 26, 2019.



Ajitsamal Afinoz

I am a diligent and motivated self-worker with 3+ years of experience working in credit review and loan processing within the financial tech industry.