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ASP.NET Core Web API - Build an API from Scratch (Udemy.com)

.NET Web API | ASP Net Core Web API | REST API | Postman

4.3
333 reviews

Created by: Praveenkumar Bouna

Last updated August 2025

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What you will learn

  • Get an overview of Web APIs in ASP .NET Core. Learn about Web API request workflow, HTTP status codes, different parts of a web API request, and so on.
  • Master API Controller concepts that include what are controllers, attributes, and their significance in ASP .NET Web API development.
  • Build a new Web API for a case study through step-by-step instructions. Learn to create a new Web API project from scratch.
  • Learn API return types in ASP .NET Core Web API namely IActionResult, ActionResult<T>, async-await, and so on.
  • Know how to improve your ASP .NET MVC Web API project using AutoMapper and adding validations for the models.
  • Build Web API operations such as GET, POST, PUT, and DELETE for collections as well as individual items.
  • Implement association APIs using GET and POST operations.

How it compares

Against the other 53 rated Udemy courses in UI Design on CourseDuck:

  • Rating4.3 out of 5higher than 28% of them
  • Reviews333#24 of 54 by number of reviews
  • Length2.8 hoursshorter than 75% of them
  • Last updatedAugust 2025more recently than 77% of them

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Course Description

ASP.NET Web API is a highly sought-after topic in the ASP.NET world. The usage of Web API is taking the world by storm. Companies such as Netflix, Spotify, Tesla, and Amazon use APIs to connect front-end and back-end functionality at a large scale. You will be learning these RESTful Web API concepts from scratch in this course.


Topics Covered In This Course:

  • Understand Web APIs in ASP.NET Core.

  • Learn RESTful Web API request workflow, HTTP status codes, and different parts of a web API request.

  • Master API Controller concepts that include what controllers are, attributes, and their significance in ASP.NET Web API development.

  • Build a new RESTful API for a case study through step-by-step instructions.

  • Know API return types in ASP.NET Core Web API: IActionResult and ActionResult<T>.

  • Utilize AutoMapper to enhance your ASP.NET MVC Web API project.

  • Understand Web API operations such as GET, POST, PUT, and DELETE for collections and individual items.


More Reasons To Take This Course:

  • APIs are consuming the entire world in every field.

  • RESTful APIs are the 1st choice among API developers while working with APIs.

  • Get ahead of the curve and easily learn to build ASP.NET Web APIs.


This course provides over 2 hours of content along with practice activities. To help you better, it follows a step-by-step approach to building an ASP.NET Web API project from scratch.


At The End Of This Course:

  • You will know how to create a Web API project in ASP.NET Core from scratch.


This course will provide significant knowledge of implementing API for your next RESTful API-related project. You will surely use the building concepts easily by following a step-by-step approach. You will be confident to instantly apply the ASP.NET Web API tips covered in the course.


Enroll now to get started.
Read More Beginner Beginner Level product length iconTime: 2.8h

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Instructor Details

Praveenkumar Bouna

Praveen is a seasoned Cloud and AI Instructor with over 18 years of industry experience, having held engineering roles at Honeywell (Bangalore) and Robert Bosch (Singapore). His expertise spans Azure, DevOps, Kubernetes, and applied AI, where he focuses on building practical, real-world solutions.

As an educator, Praveen has published 23+ courses and 75+ hands-on labs, reaching 100,438+ learners across 100+ countries. His teaching philosophy is rooted in learning by doing — combining step-by-step labs, real-world scenarios, and clear explanations that empower engineers to gain job-ready cloud skills.

Beyond teaching, Praveen holds a patent and has authored two research papers, reflecting his ability to bridge innovation with pedagogy. His certifications include AZ-900, AI-900, GH-300, CKAD, CKA, KCNA and more, underscoring his credibility in both cloud-native and AI domains.

What sets Praveen apart is his approachable style: he blends deep technical expertise with a mentor’s mindset, helping learners not just understand concepts but confidently apply them to build and deploy modern cloud applications. His work embodies a passion for upskilling engineers and enabling organizations to thrive in the era of AI-driven transformation.

Read More

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Reviews

4.3

333 ratings on Udemy

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By Christian B on 9/10/2025

Ok, but the instructor jumps too quickly between the different files, so you have to pause and rewind to make sure you're doing it right. Unfortunately, this happens a bit too often. The course could also be updated to better suit the new updates in VS code, including when you create a new project. The instructor himself otherwise does a good job and is skilled.

By Sachin Mali on 1/2/2025

Course will moving faster. Also need to explain the in details of uses of concepts like sync or async Api. Why we use and uses of these concepts. If the user are fresher then it's difficult to understand such concepts. This all about the concepts explain in this entire course.

By Balamurugan V on 10/22/2024

This course covers webAPI core from top to bottom by step by step. The way he covers the topics is simple and awesome.

By Praveen Hiremath on 3/8/2024

Just started the course with a quick introduction. Waiting for more topics to be covered for a detailed feedback.

By Santhosha K S on 10/18/2023

Yeah its comprehensive course without any deviation, concept is focused on the Web API development by using .NET Core framework. Concept is very clear.

By Sivakumar Ramachandran on 7/30/2023

Very Good. It was explained in a simple way. I recommend the course for beginners.

By Amedeo Cirstea on 4/25/2022

Very good experience. The course was good. You must to make the english subtitle manualy.

By Lawrence Thurman on 4/6/2022

Although I have been developing in ASP.Net for years, I had no real class on it, I knew most of the stuff in the class, but it was the little things that helped out. Great Course. I just wish there was something on oAuth and Identity Server with tokens and what not.

By Gaurav Singh on 1/24/2022

This is a very good course for a beginner. It did not tell us how to handle different content types and security. Before this lesson, I learned 'Designing RESTful APIs: Learn to Design API from Scratch'. I had this expectation that the course will be hands on tutorial with that lecture and I had expectation that I will learn more about error handling as the previous course had outlined.

By Satish on 6/28/2021

This tutor is providing again and again for quality teaching, only good technical experience guy can give this teaching. Good subject knowledge with simple way to understand. Thanks for Udemy for quality education from quality people.

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Overall Score : 86 / 100

ASP.NET Core Web API - Build an API from Scratch
Visit course on Udemy Write a review
  • Video Duration: icon 2.8h
  • Price: $74.99
  • Provider: icon Udemy
  • Updated: icon August 2025
  • Level: Beginner Beginner
  • Language: icon English
  • Certificate: icon Yes
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