C# Web API Development

21 hours
Intermediate .NET C#

This comprehensive C# Web API Development course takes you from the fundamentals to advanced techniques, equipping you with the skills to build robust, scalable RESTful APIs using ASP.NET Core. You'll explore HTTP fundamentals, routing, middleware, and core concepts like dependency injection, model binding, and validation to create professional web services that power modern applications.

Through hands-on exercises and real-world scenarios, you'll learn authentication and authorization, data access with Entity Framework Core, API versioning, and best practices for testing and deployment. By the end of the course, you'll be confident designing, building, and maintaining secure, performant Web APIs for enterprise applications.

Prerequisites

  • Solid programming experience with C#
  • Familiarity with object-oriented programming concepts
  • Comfortable using Visual Studio or VS Code for development

Audience

  • Backend developers
  • Full-stack developers
  • Anyone interested in creating modern, scalable Web APIs with ASP.NET Core

What You'll Learn

ASP.NET Core Fundamentals

  • ASP.NET Core Architecture
  • Project Structure and Startup
  • Middleware Pipeline
  • Dependency Injection
  • Configuration and Settings

RESTful API Design

  • REST Principles and Best Practices
  • HTTP Methods (GET, POST, PUT, DELETE, PATCH)
  • Status Codes and Response Patterns
  • Resource Naming Conventions
  • HATEOAS and Hypermedia
  • API Versioning Strategies

Controllers and Routing

  • Controller Actions and Attributes
  • Route Templates and Constraints
  • Model Binding
  • Action Results and Content Negotiation
  • Custom Route Handlers

Data Access and Entity Framework Core

  • Entity Framework Core Configuration
  • DbContext and DbSet
  • CRUD Operations
  • Migrations and Database Management
  • Repository Pattern
  • Unit of Work Pattern
  • Async Data Operations

Validation and Error Handling

  • Data Annotations
  • FluentValidation
  • Model State Validation
  • Global Exception Handling
  • Problem Details (RFC 7807)
  • Custom Validation Logic

Authentication and Authorization

  • JWT Token Authentication
  • Identity Framework
  • Role-Based Authorization
  • Policy-Based Authorization
  • OAuth 2.0 and OpenID Connect
  • API Key Authentication

Advanced Topics

  • API Documentation with Swagger/OpenAPI
  • CORS Configuration
  • Rate Limiting and Throttling
  • Caching Strategies
  • Logging and Monitoring
  • Testing (Unit, Integration, and API Tests)
  • Performance Optimization
  • Docker and Deployment
  • Health Checks and Diagnostics
Training Options
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Training Type

per participant

This course requires a minimum of 4 participants. Contact us for custom pricing for smaller groups.

Course Features

  • Expert instruction
  • Interactive lectures
  • Hands-on labs and exercises
  • Comprehensive course materials
  • Lifetime access to materials

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