diff --git a/extensions/cornerstone/src/initWADOImageLoader.js b/extensions/cornerstone/src/initWADOImageLoader.js
index dea4fbff9..d9a7def69 100644
--- a/extensions/cornerstone/src/initWADOImageLoader.js
+++ b/extensions/cornerstone/src/initWADOImageLoader.js
@@ -1,6 +1,7 @@
 import cornerstone from 'cornerstone-core';
 import cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader';
 import dicomParser from 'dicom-parser';
+import { errorHandler } from '@ohif/core'
 
 let initialized = false;
 
@@ -35,6 +36,9 @@ export default function initWADOImageLoader(UserAuthenticationService) {
         xhr.setRequestHeader('Authorization', headers.Authorization);
       }
     },
+    errorInterceptor: error => {
+      errorHandler.getHTTPErrorHandler(error)
+    },
   });
 
   initWebWorkers();
diff --git a/extensions/default/src/DicomWebDataSource/index.js b/extensions/default/src/DicomWebDataSource/index.js
index 8e7d217ef..214f56a11 100644
--- a/extensions/default/src/DicomWebDataSource/index.js
+++ b/extensions/default/src/DicomWebDataSource/index.js
@@ -7,7 +7,7 @@ import {
   processSeriesResults,
 } from './qido.js';
 import dcm4cheeReject from './dcm4cheeReject';
-import { DicomMetadataStore, IWebApiDataSource, utils } from '@ohif/core';
+import { DicomMetadataStore, IWebApiDataSource, utils, errorHandler } from '@ohif/core';
 
 import getImageId from './utils/getImageId';
 import dcmjs from 'dcmjs';
@@ -52,11 +52,14 @@ function createDicomWebApi(dicomWebConfig, UserAuthenticationService) {
   const qidoConfig = {
     url: qidoRoot,
     headers: UserAuthenticationService.getAuthorizationHeader(),
+    errorInterceptor: errorHandler.getHTTPErrorHandler(),
+
   };
 
   const wadoConfig = {
     url: wadoRoot,
     headers: UserAuthenticationService.getAuthorizationHeader(),
+    errorInterceptor: errorHandler.getHTTPErrorHandler(),
   };
 
   // TODO -> Two clients sucks, but its better than 1000.
diff --git a/platform/viewer/public/config/default.js b/platform/viewer/public/config/default.js
index eb828a5d5..cd9b97d6c 100644
--- a/platform/viewer/public/config/default.js
+++ b/platform/viewer/public/config/default.js
@@ -39,6 +39,14 @@ window.config = {
       configuration: {},
     },
   ],
+  httpErrorHandler: error => {
+    // This is 429 when rejected from the public idc sandbox too often.
+    console.warn(error.status);
+
+    // Could use services manager here to bring up a dialog/modal if needed.
+    console.warn('test, navigate to https://ohif.org/');
+    window.location = 'https://ohif.org/';
+  },
   // whiteLabeling: {
   //   /* Optional: Should return a React component to be rendered in the "Logo" section of the application's Top Navigation bar */
   //   createLogoComponentFn: function (React) {
diff --git a/platform/viewer/src/appInit.js b/platform/viewer/src/appInit.js
index fb110b0fe..8015ca3eb 100644
--- a/platform/viewer/src/appInit.js
+++ b/platform/viewer/src/appInit.js
@@ -14,6 +14,7 @@ import {
   HangingProtocolService,
   CineService,
   UserAuthenticationService,
+  errorHandler
   // utils,
 } from '@ohif/core';
 
@@ -62,6 +63,12 @@ function appInit(appConfigOrFunc, defaultExtensions) {
     UserAuthenticationService,
   ]);
 
+  errorHandler.getHTTPErrorHandler = () => {
+    if (typeof appConfig.httpErrorHandler === 'function') {
+      return appConfig.httpErrorHandler;
+    }
+  };
+
   /**
    * Example: [ext1, ext2, ext3]
    * Example2: [[ext1, config], ext2, [ext3, config]]