diff --git a/lib/rest/axios.js b/lib/rest/axios.js
index ce91738b..7f42cdd0 100644
--- a/lib/rest/axios.js
+++ b/lib/rest/axios.js
@@ -77,6 +77,7 @@ export function Axios(config) {
             404: Exceptions.ResourceNotFoundError,
             405: Exceptions.InvalidRequestError,
             406: Exceptions.NotAcceptableError,
+            429: Exceptions.TooManyRequestsError,
             500: Exceptions.ServerError,
           } [response.status] || Error;
 
@@ -105,6 +106,7 @@ export function Axios(config) {
             404: Exceptions.ResourceNotFoundError,
             405: Exceptions.InvalidRequestError,
             406: Exceptions.NotAcceptableError,
+            429: Exceptions.TooManyRequestsError,
             500: Exceptions.ServerError,
           } [error.response.status] || Error;
           if (!_.inRange(error.response.status, 200, 300)) {
@@ -258,6 +260,7 @@ export function Axios(config) {
             500: Exceptions.ServerError,
             409: Exceptions.InvalidRequestError,
             422: Exceptions.InvalidRequestError,
+            429: Exceptions.TooManyRequestsError,
             207: Exceptions.InvalidRequestError,
           } [response.status] || Error;
 
@@ -295,6 +298,7 @@ export function Axios(config) {
             500: Exceptions.ServerError,
             409: Exceptions.InvalidRequestError,
             422: Exceptions.InvalidRequestError,
+            429: Exceptions.TooManyRequestsError,
             207: Exceptions.InvalidRequestError,
           } [error.response.status] || Error;
           if (!_.inRange(error.response.status, 200, 300)) {
diff --git a/lib/rest/request.js b/lib/rest/request.js
index 4a908190..9974404f 100644
--- a/lib/rest/request.js
+++ b/lib/rest/request.js
@@ -194,6 +194,7 @@ export function Request(config) {
             401: Exceptions.AuthenticationError,
             404: Exceptions.ResourceNotFoundError,
             405: Exceptions.InvalidRequestError,
+            429: Exceptions.TooManyRequestsError,
             500: Exceptions.ServerError,
           } [response.statusCode] || Error;
 
diff --git a/lib/utils/exceptions.js b/lib/utils/exceptions.js
index caa0bcda..8ebfff24 100644
--- a/lib/utils/exceptions.js
+++ b/lib/utils/exceptions.js
@@ -5,4 +5,5 @@ export class InvalidRequestError extends PlivoRestError { }
 export class PlivoXMLError extends PlivoRestError { }
 export class PlivoXMLValidationError extends PlivoRestError { }
 export class AuthenticationError extends PlivoRestError { }
-export class NotAcceptableError extends PlivoRestError { }
\ No newline at end of file
+export class NotAcceptableError extends PlivoRestError { }
+export class TooManyRequestsError extends PlivoRestError { }
\ No newline at end of file