index.js

const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;

const API = 'https://rickandmortyapi.com/api/character/';
const xhttp = new XMLHttpRequest();

const fetchData = url_api => {
  xhttp.open('GET', url_api, false);
  xhttp.responseType = 'json';
  return new Promise((response, reject) => {
    xhttp.onreadystatechange = () => {
      if(xhttp.readyState === 4) {
        if(xhttp.status === 200) {
          const res = JSON.parse(xhttp.responseText);
          return response(res);
        } else {
          return reject(new Error('Error has ocurred!'))
        }
      }
    }
    xhttp.send();
  })
};


const getData = async url => {
  try {
    const first = await fetchData(url);
    // console.log('Primer llamado');
    const second = await fetchData(`${API}${first.results[0].id}`);
    // console.log('Segundo llamado');
    const third = await fetchData(second.origin.url);
    // console.log('Tercer llamado');

    console.log(`Personajes: ${first.info.count}`);
    console.log(`Primer personaje: ${second.name}`);
    console.log(`Dimensión: ${third.dimension}`);

  } catch(error) {
    console.log(error)
  }
}

getData(API);