Useful tool to access seller profile of expired ad. a Javascript code can be injected to the expired ad page via browser's console tab.

Olx-Seller-for-Expired-Ad

/*
This tool is useful to reach the seller if the ad is expired. Tested & works with Olx Egypt "olx.com.eg"
*/
adid = document.URL.split("-ID")[1].split(".")[0];
contact_info = "https://www.olx.com.eg/api/listing/" + adid + "/contactInfo/";
ad_details = "https://www.olx.com.eg/api/listing/?external_id=" + adid;
callAPI(contact_info, function(d) {
  j = JSON.parse(d);
  //output seller name & registered mobile number if exists
  console.log("name:", j.name, "\nmobile:", j.mobile);
});
callAPI(ad_details, function(d) {
  j = JSON.parse(d);
  //output seller profile page which may contains another ads
  console.log("seller_profile:", "https://www.olx.com.eg/profile/" + j.userExternalID);
});
function callAPI(url, callback) {
  console.log(url);
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      callback(xhttp.responseText);
    }
  };
  xhttp.open("GET", url, true);
  xhttp.send();
}