Simulate API failures, throttling, and chaos — all from your command line.

An API testing tool with support for HTTP/2 and HTTP/3. Alternative to Postman.

UnitTestEx provides .NET testing extensions to the most popular testing frameworks (MSTest, NUnit and Xunit) specifically to improve the testing experience with ASP.NET controller, and Azure Function, execution including underlying HttpClientFactory mocking.

A robust command-line tool for API testing and mock-server

API Test automation Framework with Speclow

BDD API Automation Framework built on top of Specflow and RestSharp

Automated WebAPI Tester. Provides UI to run tests that are organized into xml files. See wiki page for details.

Use Dev Proxy extensions for .NET Aspire to seamlessly integrate Dev Proxy into your distributed applications.

This is sample automation testing project on C# using Playwright and Restsharp.

Generic API Test Automation Framework using C# and Specflow

Honeybee is a reference architecture for automated testing of APIs using .NET Core

RestSharp API testing with C# and SpecFlow.

Simple and powerful library for Testing API Endpoints

A simple, RESTful Todo API built with ASP.NET Core following clean architecture principles.

Dotnet CLI Tool

Expected.Request, a simple API testing framework.

API Test Automation using RestSharp, C# and SpecFlow.

REST API Testing Suite - test suite built with NUnit and RestSharp

An example of CQRS architectural pattern on ASP.NET Core.