RestSharpCoreDemo
Based on YouTube "Execute Automation - API Testing with RestSharp [2019]" (Base TargetFrameworkVersion - v4.7.2)
Mountebank
Mountebank is the first open source tool to provide cross-platform, multi-protocol test doubles over the wire. Simply point your application under test to mountebank instead of the real dependency, and test like you would with traditional stubs and mocks. (ProjectReference Include = "..\MbDotNet\MbDotNet.csproj")