diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..e8c8dbc
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "escuelajs-reto-03",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+    }
+  }
+}
diff --git a/package.json b/package.json
index 65a8bf2..dbaa2f1 100644
--- a/package.json
+++ b/package.json
@@ -24,4 +24,4 @@
   "dependencies": {
     "xmlhttprequest": "^1.8.0"
   }
-}
\ No newline at end of file
+}
diff --git a/src/index.js b/src/index.js
index d6fa599..fd0337e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,30 +3,29 @@ var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
 var API = 'https://rickandmortyapi.com/api/character/';
 var xhttp = new XMLHttpRequest();
 
-function fetchData(url_api, callback) {
-  xhttp.onreadystatechange = function (event) {
-    if (xhttp.readyState === '4') {
-      if (xhttp.status == 200)
-        callback(null, xhttp.responseText);
-      else return callback(url_api);
+const fetchData = (url_api) => {
+  return new Promise((resolve, reject) => {
+    xhttp.onreadystatechange = (event) => {
+      if (xhttp.readyState === 4) {
+        if (xhttp.status == 200)
+          resolve(JSON.parse(xhttp.responseText))
+        else
+          reject(url_api)
+      }
     }
-  };
-  xhttp.open('GET', url_api, false);
-  xhttp.send();
-};
+    xhttp.open('GET', url_api, false)
+    xhttp.send()
+  })
+}
 
-fetchData(API, function (error1, data1) {
-  if (error1) return console.error('Error' + ' ' + error1);
-  console.log('Primer Llamado...')
-  fetchData(API + data1.results[0].id, function (error2, data2) {
-    if (error2) return console.error(error1);
-    console.log('Segundo Llamado...')
-    fetchData(data2.origin.url, function (error3, data3) {
-      if (error3) return console.error(error3);
-      console.log('Tercero Llamado...')
-      console.log('Personajes:' + ' ' + data1.info.count);
-      console.log('Primer Personaje:' + ' ' + data2.name);
-      console.log('Dimensión:' + ' ' + data3.dimension);
-    });
-  });
-});
\ No newline at end of file
+fetchData(API).then(data => {
+  console.log(`Personajes: ${data.info.count}`)
+  return fetchData(`${API}${data.results[0].id}`)
+}).then(primerPersonaje => {
+  console.log(`Primer Personaje: ${primerPersonaje.name}`)
+  return fetchData(primerPersonaje.origin.url);
+}).then(origen => {
+  console.log(`Dimensión: ${origen.dimension}`)
+}).catch(error => {
+  console.log(error)
+})
\ No newline at end of file