var params = {
    "method": "get_session_key",
    "params": {
        "username" : "admin",
        "password" : "test"
    },
    id: 1,
    jsonrpc: "2.0"
};
 
 
$.ajax({
    url: "https://LimeSurvey/index.php/admin/remotecontrol",
    type: "POST",
    contentType: "application/json",
    data: JSON.stringify(params),
    error: function(data) {
        console.log('error');
        console.log(data);
    },
    success: function(data) {
        console.log('success');
        console.log(data);
    }
});

Accept  */*
Accept-Encoding  gzip, deflate
Accept-Language  en-US,en;q=0.5
Content-Length  83
Content-Type  application/json; charset=UTF-8
Host  10.0.0.2
Referer  https://10.0.0.2/www/
User-Agent  Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:19.0) Gecko/20100101 Firefox/19.0
X-Requested-With  XMLHttpRequest
 
 
POST body:
{"method":"get_session_key","params":{"username":"admin","password":"test"},"id":1}

Cache-Control  no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection  Keep-Alive
Content-Encoding  gzip
Content-Length  20
Content-Type  text/html
Date  Tue, 19 Mar 2013 15:23:41 GMT
Expires  Thu, 19 Nov 1981 08:52:00 GMT
Keep-Alive  timeout=15, max=99
Pragma  no-cache
Server  Apache/2.2.16 (Debian)
Vary  Accept-Encoding
X-Powered-By  PHP/5.3.3-7+squeeze15

<script>
var params = {
    "method": "get_session_key",
    "params": {
        "username" : "ADD_USER_NAME_HERE",
        "password" : "ADD_PW_HERE"
    },
    jsonrpc: "2.0",
    id: 1
};
 
 var sessionid;
$.ajax({
    url: "https://ADD_YOUR_DOMAIN_HERE.com/index.php/admin/remotecontrol",
    type: "POST",
    contentType: "application/json",
    data: JSON.stringify(params),
 
    error: function(data) {
        console.log('error');
        console.log(data);
    },
    success: function(data) {
        console.log('success');
        console.log(data);
        sessionidarray = JSON.parse(data);
sessionid = sessionidarray['result'];
        console.log("Session key: "+sessionid);
var fields = ['id', 'submitdate'];
var params = {
    "method": "export_responses",
    "params": {
        "sessionkey" : sessionid ,
        "surveyid" : "{SID}",
        "documenttype" : "json",
        "language": null,
        "status": "complete",
        "sHeadingType": 'code', 
        "sResponseType": 'short'
    },
    jsonrpc: "2.0",
    id: 1
};
$.ajax({
    url: "https://ADD_YOUR_DOMAIN_HERE.com/index.php/admin/remotecontrol",
    type: "POST",
    contentType: "application/json",
    data: JSON.stringify(params),
 
    error: function(data) {
        console.log('error');
        console.log(data);
    },
    success: function(data) {
        console.log('success');
var jsonoutput =jQuery.getJSON(data);
        console.log(jsonoutput);
}
 
});
 
 
 
    }
 
});
 
</script>

<script type="text/javascript" charset="utf-8">
 
  $(document).on('ready pjax:scriptcomplete',function(){
 
      var rpcURL = 'https://pathTo/limesurvey/index.php/admin/remotecontrol';
 
      var params = {
        "method": "get_session_key",
        "params": {
          "username" : "admin",
          "password" : "password"
        },
        id: 1
      };
 
      var sessionid;
      $.ajax({
        url: rpcURL,
        method: "POST",
        contentType: "application/json",
        data: JSON.stringify(params),
        dataType : 'json',
        error: function(data) {
          console.log('error');
        },
        success: function(data) {
          console.log('Success');
          console.log(data);
          sessionid = data.result;
          console.log("Session key: "+sessionid);
          var params = {
            "method": "export_responses",
            "params": {
              "sessionkey" : sessionid ,
              "surveyid" : "{SID}",
              "documenttype" : "json",
              "language": null,
              "status": "complete",
              "sHeadingType": 'code', 
              "sResponseType": 'short'
            },
            id: 1
          };
          $.ajax({
            url: rpcURL,
            method: "POST",
            contentType: "application/json",
            data: JSON.stringify(params),
            dataType : 'json',
            error: function(data) {
              console.log('error');
            },
              success: function(data) {
              console.log('Survey Responses:');
              console.log(atob(data.result));
 
              // Release the session key
              var params = {
                "method": "release_session_key",
                "params": {
                  "sessionkey" : sessionid
                },
                id: 1
              };
              $.ajax({
                url: rpcURL,
                method: "POST",
                contentType: "application/json",
                data: JSON.stringify(params),
                dataType : 'json',
                error: function(data) {
                  console.log('error');
                },
                  success: function(data) {
                  console.log('Key released:');
                  console.log(data);
                }
              });
            }
          });
        }
      });
  });
 
</script>