diff --git a/main.js b/main.js
index 83d2e150..b36685eb 100644
--- a/main.js
+++ b/main.js
@@ -1,52 +1,177 @@
+// AXIOS GLOBALS
+axios.defaults.headers.common['X-Auth-Token'] ='eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c';
+
+
 // GET REQUEST
 function getTodos() {
-  console.log('GET Request');
+  // axios({
+  //   method: 'get',
+  //   url: 'https://jsonplaceholder.typicode.com/todos',
+  //   params: {
+  //     _limit:5 
+  //   }
+  // })
+  // .then(res => showOutput(res))
+  // .catch(err => console.log(err));
+
+  axios
+  .get('https://jsonplaceholder.typicode.com/todos?_limit=5',{timeout: 5000})
+  .then(res => showOutput(res))
+  .catch(err => console.log(err));
 }
 
 // POST REQUEST
 function addTodo() {
-  console.log('POST Request');
+  axios
+  .post('https://jsonplaceholder.typicode.com/todos', {
+    title: 'New todo',
+    completed: false
+  })
+  .then(res => showOutput(res))
+  .catch(err => console.log(err));
+  
 }
 
 // PUT/PATCH REQUEST
 function updateTodo() {
-  console.log('PUT/PATCH Request');
+  axios
+  .patch('https://jsonplaceholder.typicode.com/todos/1', {
+    title: 'Updated todo',
+    completed: true
+  })
+  .then(res => showOutput(res))
+  .catch(err => console.log(err));
 }
 
 // DELETE REQUEST
 function removeTodo() {
-  console.log('DELETE Request');
+  axios
+  .delete('https://jsonplaceholder.typicode.com/todos/1')
+  .then(res => showOutput(res))
+  .catch(err => console.log(err));
 }
 
+
 // SIMULTANEOUS DATA
 function getData() {
-  console.log('Simultaneous Request');
+ axios.all([
+  axios.get('https://jsonplaceholder.typicode.com/todos?_limit=5'),
+  axios.get('https://jsonplaceholder.typicode.com/posts?_limit=5')
+ ])
+ .then(axios.spread((todos, posts)=> showOutput(posts)))
+ .catch(err =>console.log(err));
 }
 
 // CUSTOM HEADERS
 function customHeaders() {
-  console.log('Custom Headers');
+
+  const config ={
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: 'sometoken'
+    }
+  }
+  axios
+  .post('https://jsonplaceholder.typicode.com/todos', {
+    title: 'New todo',
+    completed: false
+  },
+  config
+  )
+  .then(res => showOutput(res))
+  .catch(err => console.log(err));
+  
 }
 
 // TRANSFORMING REQUESTS & RESPONSES
 function transformResponse() {
-  console.log('Transform Response');
+  const options ={
+    method: 'post',
+    url: 'https://jsonplaceholder.typicode.com/todos',
+    data: {
+      title: 'Hello world'
+    },
+    transformResponse: axios.defaults.transformResponse.concat(data =>{
+      data.title = data.title.toUpperCase();
+      return data;
+    })
+
+  }
+
+  axios(options).then(res => showOutput(res))
 }
 
 // ERROR HANDLING
 function errorHandling() {
-  console.log('Error Handling');
+  axios
+  .get('https://jsonplaceholder.typicode.com/todoss',{
+    // validateStatus: function(status){
+    //   return status <500;
+    // }
+  })
+  .then(res => showOutput(res))
+  .catch(err =>{
+    if(err  .response){
+      console.log(err.response.data);
+      console.log(err.response.status);
+      console.log(err.response.headers);
+
+      if(err.response.status === 404){
+        alert('Error: page not found');
+      }
+      else if(err.request){
+        console.log(err.request);
+
+      }else{
+        console.log(err.message);
+      }
+    }
+  });
+  
 }
 
 // CANCEL TOKEN
 function cancelToken() {
-  console.log('Cancel Token');
+  const source =axios.CancelToken.source();
+
+
+  axios
+  .get('https://jsonplaceholder.typicode.com/todos',{
+    cancelToken: source.token
+  })
+  .then(res => showOutput(res))
+  .catch(thrown =>{
+    if(axios.isCancel(thrown)){
+      console.log('request cancelled',thrown.message);
+    }
+  });
+
+  if(true){
+    source.cancel('request cancelled');
+  }
+  
 }
 
 // INTERCEPTING REQUESTS & RESPONSES
+axios.interceptors.request.use(config =>{
+  console.log(`${config.method.toUpperCase()}request sent to ${config.url} at ${new Date().getTime()}`);
+  return config
+},
+
+error =>{
+  return Promise.reject(error);
+}
+
+);
 
 // AXIOS INSTANCES
 
+const axiosInstances = axios.create({
+  baseURL: 'https://jsonplaceholder.typicode.com'
+});
+
+axiosInstances.get('/comments').then(res => showOutput(res));
+
 // Show output in browser
 function showOutput(res) {
   document.getElementById('res').innerHTML = `