Autofac Keyed Services

Controller.cs

public class MyController : ControllerBase
{
      private readonly Func<int, IService> _serviceFactory;

      public MyController(Func<int, IService> serviceFactory)
      {
          _serviceFactory = serviceFactory;
      }

      public ActionResult<string> GetSomething()
      {
          var v1Service = _serviceFactory(1);
          
          var result = service.GetSomething();

          return result;
      }
}

IoC.cs

var builder = new ContainerBuilder();
builder.RegisterType<V1Service>()
    .As<IService>().Keyed<IService>(1);

builder.RegisterType<V2Service>()
    .As<IService>().Keyed<IService>(2);

builder.Register<Func<int, IService>>(c =>
{
    var componentContext = c.Resolve<IComponentContext>();
    return (version) =>
    {
        var dataService = componentContext.ResolveKeyed<IService>(version);
        return dataService;
    };
});

return builder.Build();