ServiceStack.HttpUtils.PostBytesToUrl C# (CSharp) Метод

        public static byte[] PostBytesToUrl(this string url, byte[] requestBody = null, string contentType = null, string accept = "*/*",
            Action<HttpWebRequest> requestFilter = null, Action<HttpWebResponse> responseFilter = null)
        {
            return SendBytesToUrl(url, method: "POST",
                contentType: contentType, requestBody: requestBody,
                accept: accept, requestFilter: requestFilter, responseFilter: responseFilter);
        }