// WARNING: For GET requests, body is set to null by browsers.

var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function() {
  if(this.readyState === 4) {
    console.log(this.responseText);
  }
});

xhr.open("GET", "https://4tkzb6k4-5251.euw.devtunnels.ms/api/Index");
xhr.setRequestHeader("Origin", "*");
// WARNING: Cookies will be stripped away by the browser before sending the request.
xhr.setRequestHeader("Cookie", ".Tunnels.Relay.WebForwarding.Cookies=CfDJ8E0FHi1JCVNKrny-ARCYWxPLCtHX8KvlMTIkyTXOiBwbp9Vlslf7k3MjsImX45xKcz4T7R_rxCuCH0_CvQvfReNfCytTn_L7k7wqAVt2ebK5nRaJA8-X5E5P2oxsUiNiXbw82chd7PxVQ6fyj0Pre6wwg8UxVPXI6XI4eZnwnFGJL2rLzHsfiSALALPHMpJ4gO6Rjw75H3AW6aHlPNZD6i1Gs3vra8L9tZsaXlfVFafAcGXBCIITuBID-5MAypecO8iVTu3AIDxx4RVLl9AviaEcUM8latUuG_yFXidX1c5BjZ_YI3IQQRajcb1tDQn4UEahVCKnWTMTCEe89KvMv-piykNETioV4-dT9AtwLs9bkQuZH27J-Y2QGATJrmKJN4yFX5V20kRuEzL4Ba7aLjG5MTiON29bpfbuupGelADayF27ZeoVeyz3yZh-mf-MFHlCiQC_LZC-NA8t0wJV1GD54kvzQ7-YqggYPMuNYK8_aJV_CIqNVyoPmla0KP2OmdmSMJMTnQXB2dDU2Atksu71OE8NfIdddq3sc2mD8gPDavSxcIliCrqnlj2uwUgVu2is1OV3VPKdve-v1SMHHN2AECDHBd2mJDZnBqY_dVvL4CAADwBysPZf_ltSFSzN5rcrE2jHmi4tacJxDJIVEJe44m948DnsK1kNZPkqHre5-ES2iNSQPa_STGMWV0s5WKsTDAPUjZFseOmAxIiA8TJIJrD29nXwTBvwIlEMaalyOr-1NUGPH0vLvRM9rPg1wYK306uKzFkgBWOvxix6ZKes8CcBUk7Wklg3KMXwkOCmGvgvCfoT4eKRVdZ_WoqY5VZOcHC17BUQiRnMDKCCZzWzRNWznEAhyoR_8tNnwTpeUr_TDtkur0gwSgDkAJzHFXI5yFRjYxgafTeXAu_VTc0-JiQMpy9J_8pIXt_cfeAs");

xhr.send();