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ASP.NET Core Web API Articles, Tutorials & News
ASP.NET Core Web API articles, tutorials, and news from the DotNetNews archive.
321 articles Updated
This DotNetNews topic collects ASP.NET Core Web API material from the daily archive. ASP.NET Core Web API sits in the ASP.NET Core and broader Microsoft web stack that most C# services use. The page is for people who already ship C# and need a faster way to find relevant posts.
Expect publisher tutorials, release notes, architecture write-ups, and field notes linked from DotNetNews issues. Start here is a short editorial shortlist for ASP.NET Core Web API; the archive list is chronological and larger. Nothing here claims every article was production-tested by the editors.
Recurring subtopics in recent issues include Web API .NET, ASP.NET Core API tutorials, controller APIs, and asp.net. Secondary angles such as ASP.NET Core Web API and Web API .NET appear when the archive actually covered them. Related hubs such as ASP.NET Core Minimal APIs and REST API Development in C# cover adjacent problems.
Each card points at the original publisher URL and the DotNetNews issue that carried it, so you can read the article in context or jump straight to the source.
Start here
Editor picks for Web API
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Custom User Management in ASP.NET Core Web API (.NET 10)
codewithmukesh.com Issue #502
Practical user-management coverage for ASP.NET Core APIs, especially where Identity defaults don't fit cleanly.
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.NET app returning a blank 500? Not with exception handlers
roundthecode.com Issue #493
If your API emits useless 500s, fix that first. Clear exception handling is operational hygiene, not a nice-to-have.
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Why I Switched from Swagger UI to Scalar in .NET
serkanozbeykurucu.medium.com Issue #482
Worth a look if you’re revisiting API docs tooling after the template changes in newer .NET versions.
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Vertical Slice Architecture in ASP .NET Web API
medium.com Issue #475
Vertical slice architecture still resonates because it maps better to features and teams than layered abstractions often do.
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How to upload files in an ASP.NET Core Web API
blog.elmah.io Issue #474
File uploads in ASP.NET Core APIs have built-in support; learn the patterns.
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Building a Full-Stack Task Manager App with .NET Core Web API + Angular 20
medium.com Issue #468
A practical full-stack walkthrough with familiar building blocks: Web API, EF Core, JWT, and Angular.
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How to upload files in an ASP.NET Core Web API
blog.elmah.io Issue #462
Straightforward, practical ASP.NET Core guidance. File uploads sound simple until validation, storage, and request handling details pile up.
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Optimistic Concurrency in EF Core 10: ASP.NET Core Web API Guide
codewithmukesh.com Issue #456
Useful for teams building APIs that need sane conflict handling instead of hand-wavy concurrency stories.
Archive
Page 1 of 13
Newest first
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What Actually Happens When React Calls a .NET API?
medium.com Issue #528
Following one API request from a React button click to PostgreSQL and back.
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Build a .NET 10 Web API - Minimal APIs, EF Core & SQL Server
roundthecode.com Issue #527
Build a .NET 10 Web API with Minimal APIs, Entity Framework Core and SQL Server, using Clean Architecture and FluentValidation.
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Benchmarking .NET 11 HTTP Compression for Large JSON APIs
c-sharpcorner.com Issue #526
Benchmark .NET 11 HTTP compression for large JSON APIs by measuring response size, bandwidth savings, CPU usage, latency, throughput, and compression efficiency across realistic workloads.
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My API Test Passed. EF Core Still Run 51 Queries.
medium.com Issue #526
I was working on an EF Core endpoint and noticed something I’d probably ignored plenty of times before.
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API Versioning in ASP.NET Core - The .NET 10 Guide
codewithmukesh.com Issue #526
An opinionated guide to API versioning in ASP.NET Core on .NET 10: URL vs header, Asp.Versioning 10.2, Minimal APIs, OpenAPI, and field-level versioning.
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5 Ways to Improve ASP.NET Core Web API Performance with a Real-World Example
c-sharpcorner.com Issue #525
Learn five practical ways to improve ASP.NET Core Web API performance using optimized database queries, pagination, async/await, AsNoTracking, and caching for scalable applications.
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Testing .NET 11 DNS APIs Under Real Failover Conditions
c-sharpcorner.com Issue #523
Test the new .NET 11 DNS APIs under realistic failover conditions, measuring DNS resolution latency, caching behavior, recovery time, and service-discovery reliability.
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Benchmarking HTTP Compression Algorithms for ASP.NET Core APIs
c-sharpcorner.com Issue #523
Compare HTTP compression algorithms in ASP.NET Core APIs using real-world benchmarks for response size, CPU consumption, latency, throughput, and network efficiency.
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How Enterprise Applications Leverage ASP.NET Core Middleware to Handle Requests at Scale
c-sharpcorner.com Issue #521
ASP.NET Core Middleware is key for enterprise apps, handling security, tracing, rate limiting, and fault tolerance at scale.
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The Lazy Engineer’s Blueprint
medium.com Issue #521
Why I stopped re-deciding the same twenty things on every .NET Web API, the four-move contract, and the map of the whole series.
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Your .NET API Works. But Is It Actually Production-Ready?
medium.com Issue #521
A practical guide to taking an ASP.NET Core API from “it works on my machine” to something you can confidently deploy.
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Resilient Microservices in .NET: Integrating Refit with Polly Circuit Breakers
c-sharpcorner.com Issue #520
Secure .NET microservices with Refit & Polly circuit breakers. Prevent cascading failures and ensure resilience against HTTP dependency issues.
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Delete Data in Bulk in Microsoft Dataverse Using C# and Web API
c-sharpcorner.com Issue #520
Master Dataverse bulk data deletion using C# and Web API to optimize storage, boost performance, and manage costs efficiently.
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Building AI-Ready APIs with Structured Output Validation in ASP.NET Core
c-sharpcorner.com Issue #519
Build robust AI-powered APIs in ASP.NET Core with structured output validation. Ensure reliable data integration and prevent downstream errors.
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ASP.NET Core REST API Development Guide
faciletechnolab.com Issue #519
A practical guide to building REST APIs with ASP.NET Core — routing, controllers, versioning, authentication, validation, error handling, and OpenAPI docs.
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Leveraging Built-In Rate Limiting and Output Caching in Modern .NET
c-sharpcorner.com Issue #519
Boost .NET API performance with built-in rate limiting & output caching. Protect against abuse & reduce database load efficiently.
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Stop API Failures Before They Happen with ASP.NET Core Health Checks
medium.com Issue #518
“A successful API isn’t the one that works only during development — it is the one that can prove it’s healthy every second in production.”
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API Versioning Best Practices in ASP.NET Core 11
c-sharpcorner.com Issue #518
Master API versioning in ASP.NET Core 11. Learn strategies, implementation, and best practices for seamless evolution and backward compatibility.
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JWT Session 15: Implement Logout and Refresh Token Revocation in ASP.NET Core Web API
c-sharpcorner.com Issue #518
Secure your JWT-based ASP.NET Core API by implementing robust logout and refresh token revocation to prevent session hijacking and unauthorized access.
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Implementing Enterprise-Grade Global Exception Handling via Custom Middleware
c-sharpcorner.com Issue #518
Implement enterprise-grade global exception handling in .NET Core using custom middleware for consistent JSON error responses and robust API error management.
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Building a Production-Ready Image Analysis API with ASP.NET Core
c-sharpcorner.com Issue #517
Learn how to build a secure asynchronous image analysis API with ASP.NET Core, background workers, task tracking, file validation, and pluggable vision providers.
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Building High-Performance Rate Limiting in ASP.NET Core 11
c-sharpcorner.com Issue #517
Master ASP.NET Core rate limiting for resilient APIs. Learn algorithms, implementation, and testing for production readiness.
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ASP.NET Web API CRUD with EF Core & PostgreSQL (Code First)
c-sharpcorner.com Issue #517
Build an ASP.NET Core Web API with EF Core and PostgreSQL using Code First. Master CRUD operations for robust data management.
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How to get values of choice column in Power Pages
c-sharpcorner.com Issue #516
Easily get Dataverse Choice column values in Power Pages using the Web API and stringmaps table. Populate dropdowns dynamically and ensure up-to-date options.