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Need to call API. First to get response in form of token and then send some data to API to get response in True/False.

Posted on by 502

Hi everyone,

I need to get response from an API call which will send me a token. And onse token received, I need to call API to get response.

I have already tested the API CALL from power automate and it is working fine.

Now I need help in getting this process to be done from a class call. Could you please help me with the code which I can use to get this done?


Siddhant Singh

  • Verified answer
    Urvashi Kumari Profile Picture
    Urvashi Kumari 13 on at
    RE: Need to call API. First to get response in form of token and then send some data to API to get response in True/False.

    using System.Net;
    using System.Net.Http;
    class SST_APICall
        public static void main(Args _args)
            System.Net.HttpWebRequest       request;
            System.Net.HttpWebResponse      response;
            CLRObject                       clrObj;
            System.Exception                ex;
            System.Net.WebHeaderCollection  httpHeader;
            System.IO.Stream                requestStream, responseStream;
            SST_APITable                    table1;
            System.IO.StreamWriter          streamWriter;
            System.Net.Cache.HttpRequestCachePolicy policy;
            //System.Net.Cache.HttpRequestCacheLevel cacheLevel;
            //policy = new System.Net.Cache.HttpRequestCachePolicy(cacheLevel);
            str url = "";
            str clientId = "";
            str secretId = "";
            select firstonly1 crosscompany table1;
            httpHeader = new System.Net.WebHeaderCollection();
            new InteropPermission(InteropKind::ClrInterop).assert();
            clrObj = System.Net.WebRequest::Create("https:XXXXX");
            System.Text.Encoding encoding = System.Text.Encoding::UTF8;
            System.Byte[] bytes = encoding.GetBytes(clientId   ":"   secretId);
            System.String base64 = System.Convert::ToBase64String(bytes);
            System.String headerKey = "Authorization";
            System.String headerValue = "Basic "   base64;
            //System.Net.WebRequest request = System.Net.WebRequest::Create(url);
            System.Net.WebHeaderCollection headers = request.Headers;
            request = clrObj;
            // adding headers
            /*headers.Add("Grant", "XXXXX");
            headers.Add("owner_id", "XXXXX");
            headers.Add("gstin", "XXXXX");*/
            request.Method = "POST";
            request.Accept = "application/json";
            request.ContentType = "application/x-www-form-urlencoded";
            requestStream = request.GetRequestStream();
            streamWriter = new System.IO.StreamWriter(request.GetRequestStream());
            streamWriter.Write(table1.FieldString1); // writing JSON
            response = request.GetResponse();
            System.IO.StreamReader streamRead = new System.IO.StreamReader(response.GetResponseStream());
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