ASP.NET Core Web API Tutorial | Session 6 | HTTP Methods, CRUD Operations & Idempotency

Published: 01 July 2026
on channel: dotnetgurukul

Welcome to Session 6 of the ASP.NET Core Web API – Beginner to Advanced course.

In this session, you'll learn the HTTP methods used in RESTful APIs and how they map to CRUD (Create, Read, Update, Delete) operations. You'll also understand the important concepts of Safe vs Unsafe methods and Idempotent vs Non-Idempotent methods, along with practical demonstrations.

Topics Covered
Understanding HTTP Methods
GET
POST
PUT
PATCH
DELETE
Purpose of each HTTP method
Real-world API usage
Safe vs Unsafe HTTP Methods
Idempotent vs Non-Idempotent Methods
Special HTTP Methods
HEAD
OPTIONS
API Metadata
Allowed HTTP Methods
Hands-on Demo
Build CRUD Operations in ASP.NET Core Web API
GET All Records
GET by ID
POST (Create)
PUT (Update)
PATCH (Partial Update)
DELETE (Remove)
Verify Idempotency with Developer Checks
REST API Best Practices
Who Should Watch?
ASP.NET Core Beginners
C# Developers
Backend Developers
Full-Stack Developers
Students preparing for .NET interviews
Anyone learning RESTful API development

By the end of this session, you'll understand how HTTP methods work, when to use each one, and how to implement CRUD operations correctly in ASP.NET Core Web API.

If you enjoy this course, please Like, Share, and Subscribe for upcoming sessions.

#AspNetCore #WebAPI #HTTPMethods #CRUD #RESTAPI #DotNet #CSharp

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