var settings = {
  "async": true,
  "crossDomain": true,
  "url": "http://new.shpp.me:9345/api/authenticate",
  "method": "POST",
  "headers": {
    "content-type": "application/x-www-form-urlencoded",
    "cache-control": "no-cache",
    "postman-token": "77b167e6-4535-1647-4cf1-b7c569f960cc"
  },
  "data": {
    "username": "admin",
    "password": "adminyasha"
  }
}

$.ajax(settings).done(function (response) {
  console.log(response);
});