Hi, I'm Ivan Gechev

Latest Posts

• Published on

  April 13, 2026

  Calling Azure OpenAI from .NET: Setup, Authentication, and Deployments

  CSharp.NETAzure-OpenAIAIASP.NET-CoreAzure

  Learn how to call Azure OpenAI from a .NET application. From the SDK installation and the difference between deployment names and model names, to API key authentication, standard completions, and streaming with Server-Sent Events.

• Published on

  April 8, 2026

  Endpoint Filters in ASP.NET Core Minimal APIs

  asp.net-coreminimal-apisendpoint-filtersdotnet

  Endpoint filters in ASP.NET Core Minimal APIs let us run cross-cutting logic before and after handlers execute — without touching the handler itself. Here's how they work and when to reach for them.

• Published on

  March 24, 2026

  FluentValidation vs .NET 10 Built-In Validation: Performance Benchmark

  CSharp.NETMinimal-APIsPerformanceFluentValidationValidationBenchmarkDotNetASP.NET-Core

  FluentValidation vs .NET 10 built-in validation — I ran a real BenchmarkDotNet test across 1,000 sequential and parallel requests to see which is faster in ASP.NET Core Minimal APIs.

• Published on

  February 12, 2026

  How to Validate Incoming Requests in .NET 10 Minimal APIs

  CSharp.NETMinimal-APIsValidation

  Learn how to validate incoming requests in .NET 10 Minimal APIs using data annotations, custom validation, and built-in ProblemDetails responses using this complete guide paired with practical examples.

• Published on

  January 27, 2026

  Clean Endpoint Registration in ASP.NET Core Minimal APIs Using Extension Methods

  CSharp.NETMinimal-APIs

  Discover how to organize Minimal API endpoints using simple extension methods. This straightforward approach keeps your Program.cs clean without the complexity of reflection, making it perfect for small to medium-sized APIs where explicit registration is preferred.