add_dns_record_in_cloudflare.cs

            HttpClient clientGetZones = new HttpClient();

            clientGetZones.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            //clientGetZones.DefaultRequestHeaders.Add("Authorization", " Bearer [API TOKEN]");
            clientGetZones.DefaultRequestHeaders.Add("Authorization", " Bearer abcdedghijklmnopQRSTUV_ABCD_ggggPqCD");
            //var url1 = "https://api.cloudflare.com/client/v4/zones/[ZONE_ID]/dns_records";
            var url1 = "https://api.cloudflare.com/client/v4/zones/2836714271b942af9386532b00b5579c/dns_records";

            HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post, url1);

            var req = new AddDNSRequest();
            req.name = "demo1";
            req.proxied = true;
            req.type = "A";
            req.content = "163.13.202.22";

            requestMessage.Content = new StringContent(JsonConvert.SerializeObject(req), Encoding.UTF8, "application/json");

            HttpResponseMessage response = clientGetZones.SendAsync(requestMessage).GetAwaiter().GetResult();

            var res = response.Content.ReadAsStringAsync().Result.ToString();
            ltlResult.Text = JsonConvert.SerializeObject(res);
            //result
            //{"id":"52991924ec82a967d45caab25cbf6a90","zone_id":"2836714271b942af9386532b00b5579c","zone_name":"sample.com","name":"demo1.sample.com","type":"A","content":"163.13.202.22","proxiable":true,"proxied":true,"ttl":1,"locked":false,"meta":{"auto_added":false,"managed_by_apps":false,"managed_by_argo_tunnel":false,"source":"primary"},"created_on":"2020-10-28T01:46:39.057696Z","modified_on":"2020-10-28T01:46:39.057696Z"},"success":true,"errors":[],"messages":[]}"