c# - UpdateRecurringPaymentsProfile + Authentication/Authorization Failed -


i try make request updaterecurringpaymentsprofile in paypal using httpwebrequest in

mvc webapplication. problem occurred while processing request.

please see below result.

timestamp=2015-08-19t12:07:38z&correlationid=c803523ed08bf&ack=failure&version=0.000000&build=000000&l_errorcode0=10002&l_shortmessage0=authentication/authorization failed&l_longmessage0=you not have permissions make api call&l_severitycode0=error

httpwebrequest request = (httpwebrequest)webrequest.create("https://api-3t.sandbox.paypal.com/nvp");          request.method = "post";          string formcontent =                 "&method=updaterecurringpaymentsprofile" +                 "&profileid=" + httpcontext.current.session["profileid"] +                 "&amt=" + amt +                 "&currencycode=" + currencycode +                 "&acct" + acct +                 "&firstname=" + firstname +                 "&lastname=" + lastname +                 "&street=" + street +                 "&city=" + city +                 "&state=" + state +                 "&countrycode=" + countrycode +                 "&zip=" + zip;          byte[] bytearray = system.text.encoding.utf8.getbytes(formcontent);         request.contenttype = "application/x-www-form-urlencoded";         request.contentlength = bytearray.length;         system.io.stream datastream = request.getrequeststream();         datastream.write(bytearray, 0, bytearray.length);         datastream.close();         webresponse response = request.getresponse();         datastream = response.getresponsestream();         system.io.streamreader reader = new system.io.streamreader(datastream);          string responsefromserver = system.web.httputility.urldecode(reader.readtoend());          reader.close();         datastream.close();         response.close(); 

i made createrecurringpaymentsprofile command successfully. clueless these issue.

please help.


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