Flurl.Http + vcr-sharp

FlurlAndVcr.cs

// 1. define a custom HttpClientFactory
public class VcrHttpClientFactory : DefaultHttpClientFactory
{
    private readonly string _cassette;

    public VcrHttpClientFactory(string cassette) {
        _cassette = cassette;
    }

    public override HttpMessageHandler CreateMessageHandler() {
        var path = VcrSharp.Tests.HttpClientFactory.GetFixturePath(_cassette);
        return new VcrSharp.Tests.ReplayingHandler(path);
    }
}

// 2. define an extension method on IFlurlClient
public static class FlurlClientExtensions
{
    public static void WithCassette(this IFlurlClient cli, string cassette) {
        cli.Settings.HttpClientFactory = new VcrHttpClientFactory(cassette);
    }
}

// 3. create & use a VCR-enabled FlurlClient 
var cli = new FlurlClient().WithCassette("my-test-scenario");