Top 12 C# web-api Projects

web-api

• Add a project

1. FastEndpoints

   1 18 5,939 9.6 C#

   A light-weight REST API development framework for ASP.NET 8 and newer.

   

2. ReSharper

   www.jetbrains.com featured

   ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.

   

3. ApiEndpoints

   2 22 3,200 3.5 C#

   A project for supporting API Endpoints in ASP.NET Core web applications.

   

4. craftsman

   3 33 1,172 6.7 C#

   A .NET scaffolding tool to help you stop worrying about boilerplate and focus on your business logic 🚀

   

5. JsonApiDotNetCore

   4 7 716 9.2 C#

   A framework for building JSON:API compliant REST APIs using ASP.NET and Entity Framework Core.

   

6. RestClient.Net

   5 11 403 7.2 C#

   The safest way to make REST calls in C# with an MCP Generator

   

7. eisk.webapi

   6 0 237 0.0 C#

   Project based on latest .NET (v6.0) technologies for building scalable web api, along with clean architecture patterns.

   

8. webapiclientgen

   7 2 174 9.0 C#

   Strongly Typed Client API Generators generate strongly typed client APIs in C# .NET and in TypeScript for jQuery and Angular 2+ from ASP.NET Web API and .NET Core Web API

   

   Project mention: Automate Your Full-stack Development on ASP.NET Core Web API and Angular With Code Generator and AI Code Agent | dev.to | 2026-04-10

   Previously, I have used WebApiClientGen generated TypeScript code as part of the prompt for AI code agents to create the data‑entry component. You may be asking: why not just use the backend POCO classes as part of the prompt?

9. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

10. PeakLimsApi

    8 7 73 4.7 C#

    🧬 Source-available fair-code licensed LIMS. The laboratory software you'll enjoy using.

    

11. tic-tac-toe-csharp-playground

    9 2 38 5.1 C#

    Another fun project just to update what I know about C# :video_game:

    

12. TolkienApi

    10 2 31 0.0 C#

    The Tolkien API for Middle-Earth lovers.

    

13. StoreCleanArchitecture-NET

    11 3 27 1.0 C#

    This is a basic project to demonstrate an introduction about the implementation of Clean Architecture on .NET

    

14. office-file-api-in-web-api-app

    12 1 1 7.3 C#

    Create an ASP.NET Core Web API application that uses the Office File API library as a server-side engine.

    

C# web-api related posts

• Getting Started with FastEndpoints for Building Web APIs in .NET

  1 project | dev.to | 12 Nov 2024

• Sisk – Lightweight .NET Web Framework

  5 projects | news.ycombinator.com | 31 Aug 2024

• Choosing Between Controllers and Minimal API for .NET APIs

  1 project | dev.to | 19 Dec 2023

• How do you structure large Minimal API Projects?

  8 projects | /r/dotnet | 7 Dec 2023

• Microsoft launches new app store for Windows – from React to Shoelace, Lit, Vite

  1 project | news.ycombinator.com | 8 Oct 2023

• Idea validation | low-code API factory

  1 project | /r/SaaS | 16 Sep 2023

• Verticle Slice Architecture

  1 project | /r/dotnet | 18 Jun 2023
• A note from our sponsor - ReSharper
  www.jetbrains.com | 7 Jun 2026

  ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide. Learn more →

Index

Sponsored

ReSharper is now available in VS Code and Cursor

ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.

www.jetbrains.com

Do not miss the trending C# projects with our weekly report!