var clients = GetClients();

WebApiCoreOption coreConfig = new WebApiCoreOption
{
    Authority = new AuthorityOption(clients).
        UsingAuthentication(new CustomerAuthenticationAttribute(), new DefaultAuthorizeAttribute(new gt.webapi.core.Repositories.Impl.MemoryAuthorityRepository())),
    Log = new LogOption(new FileLogWrapper("ApiLogger"), new FileLogWrapper("ErrorLogger")),
    //IpLimit = new IpLimitOption(new List<string> { "127.0.0.1" }),
    //RateLimit = new RateLimitOption("test", new Dictionary<RateLimitPeriod, int> { { RateLimitPeriod.Minute, 10 } })
};

config.RegisterWebApiCore(coreConfig);

config.Formatters.Remove(config.Formatters.XmlFormatter);