Am正在获取Paytm 631错误记录，找不到任何尸体

Question

  string json_for_checksum = "{\"mid\":\"" + merchantId + "\",\"orderId\":\"" + orderId +"\",\"refId\":\"" + refid + "\"}";

 var checksum= paytm.CheckSum.generateCheckSumByJson(secretkey, json_for_checksum);

 string postData = "{\"head\":{\"clientId\":\"C11\",\"signature\":\"" + checksum + "\"},\"body\":" + json_for_checksum + "}";

            string url = ConfigurationManager.AppSettings["Paytm_VerifyStatus_URL"];

 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

                request.ContentType = "application/json";

                request.Method = "POST";

                using (StreamWriter requestWriter2 = new StreamWriter(request.GetRequestStream()))

                {
                    requestWriter2.Write(postData);
                }

                using (StreamReader responseReader = new StreamReader(request.GetResponse().GetResponseStream()))

                {
                     responseData = responseReader.ReadToEnd();
                }

Answer 1

似乎在paytm侧找不到orderid和refid。这是退款状态api，用于检查由退款api发起的实际退款状态。请通过开发者文档链接https://developer.paytm.com/docs/refund-api/?ref=refunds了解有关退款API的详细信息。