Ultimate ASP.NET Core Web API Development Guide
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Ultimate ASP.NET Core Web API Development Guide
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Recommended experience
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What you'll learn
Learn how to build secure and scalable REST APIs using ASP.NET Core
Gain hands-on experience in using tools like Visual Studio, Postman, and Swagger for API development
Master database modelling and data migrations with Entity Framework
Implement essential features such as JWT authentication, error handling, and API versioning
Skills you'll gain
Details to know
February 2026
11 assignments
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There are 11 modules in this course
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A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Unlock the power of ASP.NET Core by mastering API development from the ground up. In this course, you will explore the key principles of RESTful API development, and how to build, secure, and deploy web APIs using ASP.NET Core. Starting from setting up the development environment, you'll gain hands-on experience with Visual Studio, GitHub, Postman, and Swagger, which are essential tools for building scalable APIs. Throughout the course, you will learn to implement core functionalities like creating endpoints for GET, POST, PUT, and DELETE operations and adding advanced features like authentication, authorization, error handling, and logging. The course takes you on a journey through foundational topics, such as database modelling, Entity Framework setup, and working with data. You’ll also dive into advanced concepts like securing your API with JWT authentication, implementing refresh tokens, and integrating AutoMapper for better object mapping. Furthermore, the course covers practical skills like API versioning, caching, paging, and deploying your API to Microsoft Azure. This course is perfect for developers looking to deepen their understanding of ASP.NET Core Web API development. Whether you're a beginner who wants to start with the basics or an intermediate developer aiming to enhance your skills, this course will provide you with all the tools to build professional-grade, secure APIs. No prior experience with ASP.NET Core is required, but familiarity with basic programming concepts is beneficial. By the end of the course, you will be able to create fully functional ASP.NET Core Web APIs, implement authentication and authorization with JWT, add logging, error handling, and versioning, and deploy your application to Azure.
In this module, we will introduce the course objectives and outline the key concepts you will learn, including the basics of API development. You’ll get an overview of the course structure and the principles behind building REST APIs, preparing you for the upcoming hands-on lessons.
What's included
2 videos1 reading
2 videos•Total 12 minutes
- Introduction•2 minutes
- Fundamental REST API Development Principles•10 minutes
1 reading•Total 10 minutes
- Full Course Resources•10 minutes
In this module, we will walk you through the installation and configuration of key development tools. You’ll set up Visual Studio 2022 and GitHub to streamline your development and version control process. We’ll also introduce Postman, a powerful tool for API testing, ensuring you’re ready to test your API endpoints as you develop.
What's included
3 videos1 assignment
3 videos•Total 9 minutes
- Install Visual Studio 2022 Community Edition•2 minutes
- Set Up GitHub Account•1 minute
- Install and Explore Postman•5 minutes
1 assignment•Total 15 minutes
- Environmental Configuration - Assessment•15 minutes
In this module, we will guide you through setting up your ASP.NET Core API project, whether you prefer Visual Studio or Visual Studio Code. You will also learn to explore the project using Swagger UI, configure essential components like CORS, and integrate logging with SeriLog. Additionally, we will cover version control with GitHub, ensuring smooth collaboration and tracking throughout the development process.
What's included
7 videos1 assignment
7 videos•Total 53 minutes
- Create ASP.NET Core API Project with Visual Studio•5 minutes
- Create ASP.NET Core API Project with Visual Studio Code•4 minutes
- Explore ASP.NET Core API Project and Explore Swagger UI•13 minutes
- .NET 6 Versus Previous Versions•6 minutes
- CORS Configuration•5 minutes
- Configure SeriLog and Seq•16 minutes
- Review and Add Changes to GitHub•4 minutes
1 assignment•Total 15 minutes
- Project Setup and Configuration - Assessment•15 minutes
In this module, we will focus on setting up and working with Entity Framework in your API project. You will learn how to create data models, perform migrations, and seed your database with initial data. This module will provide you with the foundational knowledge needed to manage data persistence in your API, while also ensuring that you stay organized with GitHub commits.
What's included
5 videos1 assignment
5 videos•Total 39 minutes
- Section Overview•1 minute
- Set Up Entity Framework in API Project•11 minutes
- Implement Data Classes and Perform Migrations•17 minutes
- Seed Data in Tables•7 minutes
- Review and Add Changes to GitHub•3 minutes
1 assignment•Total 15 minutes
- Database Modelling and Entity Framework - Assessment•15 minutes
In this module, we will cover how to scaffold controllers and actions in your ASP.NET Core API. You will learn how to test key HTTP methods—POST, GET, PUT, and DELETE—and understand their behavior within your API. Additionally, we will ensure that your project is continuously updated in GitHub for version control.
What's included
7 videos1 assignment
7 videos•Total 51 minutes
- Section Overview•1 minute
- Scaffolding Controllers and Actions•7 minutes
- Test and Understand POST Endpoint•14 minutes
- Test and Understand GET Endpoint•13 minutes
- Test and Understand PUT Endpoint•10 minutes
- Test and Understand DELETE Endpoint•4 minutes
- Review and Add to GitHub•2 minutes
1 assignment•Total 15 minutes
- Scaffolding API Functionality - Assessment•15 minutes
In this module, we will explore best practices for building maintainable and efficient APIs. You’ll learn how to refactor your methods using DTOs and AutoMapper, improving the way data is transferred across your API. We will also cover the implementation of the Repository Pattern to enhance your codebase structure and separation of concerns, while also incorporating version control with GitHub.
What's included
9 videos1 assignment
9 videos•Total 93 minutes
- Section Overview•2 minutes
- Refactor POST Method with Data Transfer Object•10 minutes
- Introducing AutoMapper•8 minutes
- Refactor GET Methods•17 minutes
- Refactor PUT Method•11 minutes
- Implement Repository Pattern - Part 1•21 minutes
- Implement Repository Pattern - Part 2•5 minutes
- Refactor Controller to Use Repository•14 minutes
- Review and Add Changes to GitHub•6 minutes
1 assignment•Total 15 minutes
- REST API Development Best Practices - Assessment•15 minutes
In this module, we will build on the foundation you’ve set by scaffolding additional controllers and actions to introduce more functionality to your API. We’ll guide you through the setup of DTOs and refactor your controller code to align with best practices. This section ensures your API is robust and functional, with continuous integration into GitHub for version control.
What's included
6 videos1 assignment
6 videos•Total 32 minutes
- Section Review•1 minute
- Scaffolding Controller and Actions•4 minutes
- Set Up Repository•6 minutes
- Set Up Data Transfer Objects and Refactor Controller•12 minutes
- Testing Changes•6 minutes
- Review and Add Changes to GitHub•3 minutes
1 assignment•Total 15 minutes
- Creating Additional API Behaviors - Assessment•15 minutes
In this module, we will walk you through securing your API using industry-standard practices. You will set up user authentication with Identity Core, implement JWT-based security, and manage user roles. Additionally, we will show you how to protect sensitive endpoints and add features like refresh tokens for more robust security in your application.
What's included
11 videos1 assignment
11 videos•Total 139 minutes
- Section Overview•6 minutes
- Set Up User Identity Core•13 minutes
- Add Default User Roles•10 minutes
- Set Up Auth Manager for Registration•16 minutes
- Set Up Registration Endpoint•13 minutes
- Set Up Login Endpoint•12 minutes
- Implement JWT Authentication - Part 1•12 minutes
- Implement JWT Authentication - Part 2•23 minutes
- Protecting Endpoints•15 minutes
- Implement Refresh Tokens•17 minutes
- Review and Add Changes to GitHub•1 minute
1 assignment•Total 15 minutes
- Securing Your Application - Assessment•15 minutes
In this module, we will focus on adding advanced features to your API. You’ll learn how to implement logging and handle errors globally, improving the stability of your application. We will also cover techniques like API versioning, caching, paging, and OData, enhancing the functionality of your API and making it more scalable and user-friendly. Additionally, we’ll ensure your API is well-documented with Swagger and secure with JWT.
What's included
12 videos1 assignment
12 videos•Total 156 minutes
- Add Logging•17 minutes
- Global Error Handling•24 minutes
- Implementing API Versioning•14 minutes
- Implementing Caching•8 minutes
- Implement Paging•21 minutes
- Exploring OData•8 minutes
- Project Architectural Changes•21 minutes
- Fix Scaffolding and Migrations•7 minutes
- Repository Refactor•17 minutes
- Controller Refactor•6 minutes
- Add JWT Authentication to Swagger Doc•11 minutes
- Review and Add Changes to GitHub•1 minute
1 assignment•Total 15 minutes
- Value-Added Features - Assessment•15 minutes
In this module, we will guide you through the process of hosting and deploying your ASP.NET Core Web API to production. You will set up an Azure account and deploy both your application and database to Microsoft Azure. Additionally, we will cover how to host your API on IIS, ensuring your application is ready for real-world use.
What's included
2 videos1 assignment
2 videos•Total 25 minutes
- Create Microsoft Azure Account•6 minutes
- Deploy Application and Database to Microsoft Azure•19 minutes
1 assignment•Total 15 minutes
- API Hosting and Deployment (IIS and Azure) - Assessment•15 minutes
In this module, we will conclude the course by reviewing the key concepts and skills you have acquired. We’ll recap the entire development process from setting up your project to deploying it to production, ensuring you’re ready to tackle more advanced API projects on your own.
What's included
1 video2 assignments
1 video•Total 4 minutes
- Conclusion•4 minutes
2 assignments•Total 75 minutes
- Full Course Practice Assessment•15 minutes
- Full Course Assessment•60 minutes
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Frequently asked questions
ASP.NET Core Web API Development is the process of building robust, scalable, and secure web APIs using the ASP.NET Core framework. It is highly relevant because APIs are a critical component of modern software architecture, enabling communication between different applications, platforms, and services. Understanding how to build and manage APIs with ASP.NET Core is essential for developers aiming to create effective, high-performance web applications in today’s tech landscape.
This specialization is designed to provide you with a comprehensive understanding of ASP.NET Core Web API development. It covers everything from the basics of creating an API to advanced topics such as security, database modeling, entity framework, and deployment to cloud platforms like Microsoft Azure. By the end, you'll be proficient in creating fully functional, secure, and efficient web APIs, understanding best practices, and preparing APIs for deployment in real-world scenarios
After completing this specialization, you will be capable of developing, securing, and deploying high-performance web APIs using ASP.NET Core. You'll have hands-on experience with RESTful API design, implementing security features like JWT authentication, and working with databases through Entity Framework. Additionally, you'll be able to apply best practices in API development, such as using the repository pattern, handling errors, and versioning APIs.
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