Best of OpenAPINovember 2025

  1. 1
    Article
    Avatar of devblogsDevBlogs·28w

    OpenAPI.NET: The Biggest Update Ever

    Microsoft released OpenAPI.NET v2 and v3, the library's biggest updates since 2018. Version 2 adds OpenAPI 3.1 support with 50% faster parsing and 35% less memory usage through System.Text.Json integration. Version 3 introduces OpenAPI 3.2 support with enhanced media types, hierarchical tags, and extended parameter options. These updates impact major .NET tools like Swashbuckle, NSwag, and ASP.NET Core's native OpenAPI support in .NET 10.

  2. 2
    Article
    Avatar of atomicobjectAtomic Spin·28w

    I Used a Full Stack Workflow to Organize a Complex Storyboard

    A developer shares how they built a custom database-backed API to organize a complex creative writing project. The solution uses SQL for data storage, .NET for the API layer with a repository-service-controller pattern, Docker for database initialization, and OpenAPI Generator to create an NPM package for frontend integration. The project demonstrates applying professional full-stack development patterns to solve personal organizational challenges, taking approximately 30 hours from conception to completion.

  3. 3
    Article
    Avatar of foojayioFoojay.io·27w

    Document Your Spring REST APIs with Annotations

    Learn how to document Spring REST APIs using Swagger/OpenAPI annotations like @Tag, @Operation, @Parameter, @ApiResponse, and @Schema. These annotations keep API documentation synchronized with code, making endpoints self-documenting and easier to maintain. The guide includes practical examples of annotating controllers and DTOs, explains why documentation matters for team onboarding and client integrations, and provides a step-by-step approach to gradually adding documentation to existing APIs.