diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c82c33..46be12f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## [4.17.0](https://github.com/plivo/plivo-node/releases/tag/v4.17.0)(2021-05-04)
+-  Add Exception Support
+-  Updated README
+
 ## [4.16.0](https://github.com/plivo/plivo-node/releases/tag/v4.16.0)(2021-04-19)
 -  Added SDK support for Voice MultiPartyCall APIs and XML
 
diff --git a/README.md b/README.md
index 9befb13..2c454a1 100644
--- a/README.md
+++ b/README.md
@@ -127,4 +127,4 @@ console.log('Phlo run result', result);
 More examples are available [here](https://github.com/plivo/plivo-examples-node). Also refer to the [guides for configuring the Express server to run various scenarios](https://www.plivo.com/docs/sms/quickstart/node-expressjs/) & use it to test out your integration in under 5 minutes.
 
 ## Reporting issues
-Report any feedback or problems with this version by [opening an issue on Github](https://github.com/plivo/plivo-node/issues).
+Report any feedback or problems with this version by [opening an issue on Github](https://github.com/plivo/plivo-node/issues).
\ No newline at end of file
diff --git a/lib/rest/axios.js b/lib/rest/axios.js
index d323f07..61f8cde 100644
--- a/lib/rest/axios.js
+++ b/lib/rest/axios.js
@@ -1,8 +1,11 @@
-import axios from 'axios';
-import queryString from 'querystring';
 import * as Exceptions from '../utils/exceptions';
 import * as _ from "lodash";
 
+import axios from 'axios';
+import queryString from 'querystring';
+
+var HttpsProxyAgent = require('https-proxy-agent');
+
 export function Axios(config) {
   let auth = 'Basic ' + new Buffer(config.authId + ':' + config.authToken)
     .toString('base64');
@@ -84,7 +87,25 @@ export function Axios(config) {
           });
         })
         .catch(function (error) {
-          reject(error.stack+ "\r\n" + JSON.stringify(error.response.data));
+          const exceptionClass = {
+            400: Exceptions.InvalidRequestError,
+            401: Exceptions.AuthenticationError,
+            404: Exceptions.ResourceNotFoundError,
+            405: Exceptions.InvalidRequestError,
+            500: Exceptions.ServerError,
+          } [error.response.status] || Error;
+          if (!_.inRange(error.response.status, 200, 300)) {
+            let body = error.response.data;
+            if (typeof body === 'object') {
+              reject(new exceptionClass(error));
+            }  else {
+              if (error.response.status >= 500) {
+                reject(new Exceptions.ServerError(error));
+              }
+              reject(new exceptionClass(error));
+            }
+          }
+          reject(error.stack + '\n' + JSON.stringify(error.response.data));
         });
       })
     }
@@ -137,7 +158,7 @@ export function Axios(config) {
     }
 
     if (typeof config.proxy !== 'undefined') {
-      options.proxy = config.proxy;
+      options.httpsAgent = new HttpsProxyAgent(config.proxy);
     }
 
     if (typeof config.timeout !== 'undefined') {
@@ -172,7 +193,25 @@ export function Axios(config) {
             });
           })
           .catch(function (error) {
-            reject(error.stack+ "\r\n" + JSON.stringify(error.response.data));
+            const exceptionClass = {
+              400: Exceptions.InvalidRequestError,
+              401: Exceptions.AuthenticationError,
+              404: Exceptions.ResourceNotFoundError,
+              405: Exceptions.InvalidRequestError,
+              500: Exceptions.ServerError,
+            } [error.response.status] || Error;
+            if (!_.inRange(error.response.status, 200, 300)) {
+              let body = error.response.data;
+              if (typeof body === 'object') {
+                reject(new exceptionClass(error));
+              }  else {
+                if (error.response.status >= 500) {
+                  reject(new Exceptions.ServerError(error));
+                }
+                reject(new exceptionClass(error));
+              }
+            }
+            reject(error.stack + '\n' + JSON.stringify(error.response.data));
           })
       }
       else {
@@ -207,6 +246,24 @@ export function Axios(config) {
           }
         })
         .catch(function (error) {
+          const exceptionClass = {
+            400: Exceptions.InvalidRequestError,
+            401: Exceptions.AuthenticationError,
+            404: Exceptions.ResourceNotFoundError,
+            405: Exceptions.InvalidRequestError,
+            500: Exceptions.ServerError,
+          } [error.response.status] || Error;
+          if (!_.inRange(error.response.status, 200, 300)) {
+            let body = error.response.data;
+            if (typeof body === 'object') {
+              reject(new exceptionClass(error));
+            }  else {
+              if (error.response.status >= 500) {
+                reject(new Exceptions.ServerError(error));
+              }
+              reject(new exceptionClass(error));
+            }
+          }
           reject(error.stack + '\n' + JSON.stringify(error.response.data));
         })
       }
diff --git a/lib/utils/exceptions.js b/lib/utils/exceptions.js
index 04805f2..9d72ae0 100644
--- a/lib/utils/exceptions.js
+++ b/lib/utils/exceptions.js
@@ -1,4 +1,4 @@
-export class PlivoRestError extends Error { }
+var PlivoRestError = require('./restException');
 export class ResourceNotFoundError extends PlivoRestError { }
 export class ServerError extends PlivoRestError { }
 export class InvalidRequestError extends PlivoRestError { }
diff --git a/lib/utils/restException.js b/lib/utils/restException.js
new file mode 100644
index 0000000..d41e200
--- /dev/null
+++ b/lib/utils/restException.js
@@ -0,0 +1,20 @@
+
+class PlivoRestError extends Error {
+  constructor(response) {
+    response = response.response
+    var body;
+    super('[HTTP ' + response.status + '] Failed to execute request');
+     try {
+        body = typeof response.data === 'string' ? JSON.parse(response.data) : response.data;
+        } catch (err) {
+          body = {"error": response.data, "api_id": ''}
+        }
+    this.status = response.status;
+    this.statusText = response.statusText
+    this.message = body.error;
+    this.apiID = body.api_id;
+    this.moreInfo = response.config.data
+  }
+}
+
+module.exports = PlivoRestError;
diff --git a/package.json b/package.json
index 7df55cd..683199f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plivo",
-  "version": "4.16.0",
+  "version": "4.17.0",
   "description": "A Node.js SDK to make voice calls and send SMS using Plivo and to generate Plivo XML",
   "homepage": "https://github.com/plivo/plivo-node",
   "files": [
@@ -59,8 +59,9 @@
   },
   "dependencies": {
     "@types/node": "^14.14.14",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "base-64": "^0.1.0",
+    "https-proxy-agent": "^5.0.0",
     "build-url": "^1.0.10",
     "form-data": "^4.0.0",
     "jsonwebtoken": "^8.5.1",