function getPaidWords() {
  var limit = 1000;
  var key = "API-TOKEN";
  var dom = "DOMAIN";
  var engine = "SEARCH-ENGINE";
  
  if (limit<1000)
    limit=1000;
  
  var numk = limit/1000;
  var keys = new Array();
  var descs = new Array();
  for (var z=0; z<numk; z++)
  {
    var jsondata = UrlFetchApp.fetch("http://api.serpstat.com/v3/ad_keywords?query="+dom+"&token="+key+"&page_size=1000&page="+(z+1)+"&se="+engine);
    var object   = JSON.parse(jsondata.getContentText());
 
    for (var i = 0; i < object["result"]["hits"].length; i++) 
    {
      var ss = keys.length;
      keys[ss] = object["result"]["hits"][i]["keyword"];
      //titles[ss+1] = object["result"]["hits"][i]["text"];
    }
  }
  
  Logger.log(keys);
  Logger.log("KEY LEN: "+keys.length);
  
  var words = new Array();
  var wc = new Array();
  
  for (var i=0; i<keys.length; i++)
  {
    var res = keys[i].split(" ");
    
    for (var j=0; j<res.length; j++)
      if ((words.indexOf(res[j].toLowerCase())>-1))
          wc[words.indexOf(res[j].toLowerCase())]++;
      else
      {
        if (res[j].length>2)
        {
          var ws = words.length;
          words[ws] = res[j].toLowerCase();
          wc[ws] = 1;
        }
      } 
  }
  
   var word1 = new Array();
  for (var i=0; i<words.length; i++)
  {
    word1[i] = new Array();
    word1[i][0] = words[i];
    word1[i][1] = wc[i];
  }
  
   SpreadsheetApp.getActiveSpreadsheet().getActiveSheet().getRange(1,1,word1.length,2).setValues(word1);
}