diff --git a/src/feedback/data/sagas.js b/src/feedback/data/sagas.js
index 4a5bfe57c..767d3d967 100644
--- a/src/feedback/data/sagas.js
+++ b/src/feedback/data/sagas.js
@@ -1,9 +1,12 @@
 import { put } from 'redux-saga/effects';
+import { getConfig, ensureConfig } from '@edx/frontend-platform';
 
 import { logError, logInfo } from '@edx/frontend-platform/logging';
 import { addMessage, clearMessages } from './actions';
 import { MESSAGE_TYPES } from './constants';
 
+ensureConfig(['ECOMMERCE_BASE_URL'], 'Alert saga');
+
 export function* handleErrors(e, clearExistingMessages) {
   if (clearExistingMessages) {
     yield put(clearMessages());
@@ -56,6 +59,25 @@ export function* handleMessages(messages, clearExistingMessages, url) {
   return null;
 }
 
+/**
+ * handleSDNCheckFailure
+ * log the SDN check failure error message
+ * and redirect user to SDN failure page
+*/
+const handleSDNCheckFailure = (error) => {
+  const setLocation = href => { global.location.href = href; };
+  logError(error, {
+    messagePrefix: 'SDN Check Error',
+    paymentMethod: 'Stripe',
+    paymentErrorType: 'SDN Check Submit Api',
+    program_uuid: error?.data?.program_uuid,
+  });
+  if (getConfig().ENVIRONMENT !== 'test') {
+    // SDN failure: redirect to Ecommerce SDN error page.
+    setLocation(`${getConfig().ECOMMERCE_BASE_URL}/payment/sdn/failure/`);
+  }
+};
+
 /**
  * Handle Subscription Errors
  */
@@ -70,15 +92,19 @@ export function* handleSubscriptionErrors(e, clearExistingMessages) {
   if (e.errors !== undefined) {
     for (let i = 0; i < e.errors.length; i++) { // eslint-disable-line no-plusplus
       const error = e.errors[i];
-      const customErrors = [
-        'empty_subscription',
-        'embargo_error',
-        'basket_changed_error',
-        'program_unavailable',
-        'ineligible_program',
-        'payment_attachment_error',
-      ];
-      if (error.code !== 'empty_subscription') {
+      if (error.code === 'sdn_check_failure') {
+        handleSDNCheckFailure(error);
+      } else if (error.code === 'empty_subscription') {
+        // do nothing as empty placeholder message will be rendered by Subscription Page
+      } else {
+        const customErrors = [
+          'embargo_error',
+          'basket_changed_error',
+          'program_unavailable',
+          'ineligible_program',
+          'payment_attachment_error',
+        ];
+
         if (customErrors.includes(error.code)) {
           if (error.code !== 'create-paymentMethod') { // already logged error
             logInfo('API Error', error.code);
diff --git a/src/subscription/checkout/submit-button/SubscriptionSubmitButton.jsx b/src/subscription/checkout/submit-button/SubscriptionSubmitButton.jsx
index 851904ec9..b6aeda656 100644
--- a/src/subscription/checkout/submit-button/SubscriptionSubmitButton.jsx
+++ b/src/subscription/checkout/submit-button/SubscriptionSubmitButton.jsx
@@ -15,7 +15,9 @@ const SubscriptionSubmitButton = ({
   if (disabled) { submitButtonState = 'disabled'; }
   if (isProcessing) { submitButtonState = 'processing'; }
   // handle submitted state
-  if (status === 'trialing' || status === 'succeeded') { submitButtonState = 'success'; }
+  if (status === 'trialing' || status === 'succeeded') {
+    submitButtonState = 'success';
+  }
 
   return (
     <div className="col-lg-7 col-xl-6 form-group float-right">
@@ -27,7 +29,7 @@ const SubscriptionSubmitButton = ({
           <StatefulButton
             type="submit"
             id="placeOrderButton"
-            variant={(status === 'success' || status === 'trialing') ? 'success' : 'brand'}
+            variant={(status === 'succeeded' || status === 'trialing') ? 'success' : 'brand'}
             size="md"
             block
             state={submitButtonState}
diff --git a/src/subscription/confirmation-modal/ConfirmationModal.jsx b/src/subscription/confirmation-modal/ConfirmationModal.jsx
index 00ce73661..0eeb02fcb 100644
--- a/src/subscription/confirmation-modal/ConfirmationModal.jsx
+++ b/src/subscription/confirmation-modal/ConfirmationModal.jsx
@@ -60,7 +60,7 @@ export const ConfirmationModal = () => {
         <ModalDialog.Title as="h3">
           {
             intl.formatMessage(messages[`subscription.confirmation.modal.${subscriptionState}.heading`], {
-              programTitle,
+              programTitle: <i>{programTitle}</i>,
             })
           }
         </ModalDialog.Title>
diff --git a/src/subscription/confirmation-modal/ConfirmationModal.test.jsx b/src/subscription/confirmation-modal/ConfirmationModal.test.jsx
index 0af2da793..b4f8c332e 100644
--- a/src/subscription/confirmation-modal/ConfirmationModal.test.jsx
+++ b/src/subscription/confirmation-modal/ConfirmationModal.test.jsx
@@ -15,6 +15,18 @@ import { subscriptionStatusReceived } from '../data/status/actions';
 
 import { camelCaseObject } from '../../payment/data/utils';
 
+function getCustomTextContent(content, node) {
+  // eslint-disable-next-line no-shadow
+  // The textContent property sets or returns the text content of the specified node, and all its descendants.
+  const hasText = (elem) => elem.textContent === this.searchFor;
+  const nodeHasText = hasText(node);
+  const childrenDontHaveText = Array.from(node.children).every(
+    (child) => !hasText(child),
+  );
+
+  return nodeHasText && childrenDontHaveText;
+}
+
 /**
  * ConfirmationModal Test
  */
@@ -43,7 +55,7 @@ describe('<ConfirmationModal />', () => {
       );
       store.dispatch(fetchSubscriptionDetails.fulfill());
     });
-    const heading = getByText(`Congratulations! Your subscription to ${subscriptionDetails.programTitle} has started.`);
+    const heading = getByText(getCustomTextContent.bind({ searchFor: `Congratulations! Your subscription to ${subscriptionDetails.programTitle} has started.` }));
     expect(heading).toBeInTheDocument();
   });
 
@@ -62,7 +74,7 @@ describe('<ConfirmationModal />', () => {
       store.dispatch(fetchSubscriptionDetails.fulfill());
     });
 
-    const heading = getByText(`Congratulations! Your 7-day free trial of ${subscriptionDetails.programTitle} has started.`);
+    const heading = getByText(getCustomTextContent.bind({ searchFor: `Congratulations! Your 7-day free trial of ${subscriptionDetails.programTitle} has started.` }));
     expect(heading).toBeInTheDocument();
 
     const gotoDashboardLink = getByRole('link', { name: 'Go to dashboard' });
diff --git a/src/subscription/data/service.js b/src/subscription/data/service.js
index 73ae34979..6662619ab 100644
--- a/src/subscription/data/service.js
+++ b/src/subscription/data/service.js
@@ -30,6 +30,7 @@ export function handleDetailsApiError(requestError) {
     errors.push({
       code: error_code,
       userMessage: user_message,
+      data: this?.payload,
     });
   }
   const apiError = new Error();
@@ -50,6 +51,6 @@ export async function postDetails(postData) {
       `${getConfig().SUBSCRIPTIONS_BASE_URL}/api/v1/stripe-checkout/`,
       postData,
     )
-    .catch(handleDetailsApiError);
+    .catch(handleDetailsApiError.bind({ payload: postData }));
   return transformSubscriptionDetails(data);
 }