ServiceStack.ApiKeyAuthProviderExtensions.GetApiKey C# (CSharp) Method

        public static ApiKey GetApiKey(this IRequest req)
        {
            if (req == null)
                return null;

            object oApiKey;
            return req.Items.TryGetValue(Keywords.ApiKey, out oApiKey)
                ? oApiKey as ApiKey
                : null;
        }