diff --git a/ghost/portal/src/App.js b/ghost/portal/src/App.js
index d60ae5e365..abc2b59b45 100644
--- a/ghost/portal/src/App.js
+++ b/ghost/portal/src/App.js
@@ -10,7 +10,7 @@ import {getActivePage, isAccountPage, isOfferPage} from './pages';
 import ActionHandler from './actions';
 import './App.css';
 import NotificationParser from './utils/notifications';
-import {createPopupNotification, getCurrencySymbol, getFirstpromoterId, getPriceIdFromPageQuery, getProductFromId, getQueryPrice, getSiteDomain, isActiveOffer, isComplimentaryMember, isInviteOnlySite, isPaidMember, isSentryEventAllowed, removePortalLinkFromUrl} from './utils/helpers';
+import {createPopupNotification, getCurrencySymbol, getFirstpromoterId, getPriceIdFromPageQuery, getProductCadenceFromPrice, getProductFromId, getQueryPrice, getSiteDomain, isActiveOffer, isComplimentaryMember, isInviteOnlySite, isPaidMember, isSentryEventAllowed, removePortalLinkFromUrl} from './utils/helpers';
 
 const {handleDataAttributes} = require('./data-attributes');
 const React = require('react');
@@ -619,9 +619,11 @@ export default class App extends React.Component {
                             page: 'loading'
                         });
                         if (member) {
-                            this.dispatchAction('checkoutPlan', {plan: price.id, offerId});
+                            const {tierId, cadence} = getProductCadenceFromPrice({site, priceId: price.id});
+                            this.dispatchAction('checkoutPlan', {plan: price.id, offerId, tierId, cadence});
                         } else {
-                            this.dispatchAction('signup', {plan: price.id, offerId});
+                            const {tierId, cadence} = getProductCadenceFromPrice({site, priceId: price.id});
+                            this.dispatchAction('signup', {plan: price.id, offerId, tierId, cadence});
                         }
                     } else {
                         this.dispatchAction('openPopup', {
@@ -659,7 +661,8 @@ export default class App extends React.Component {
                     page: 'loading'
                 });
             }
-            this.dispatchAction('signup', {plan});
+            const {tierId, cadence} = getProductCadenceFromPrice({site, priceId: plan});
+            this.dispatchAction('signup', {plan, tierId, cadence});
         }
     }
 
diff --git a/ghost/portal/src/actions.js b/ghost/portal/src/actions.js
index ad2bb36c84..65318692db 100644
--- a/ghost/portal/src/actions.js
+++ b/ghost/portal/src/actions.js
@@ -95,12 +95,16 @@ async function signin({data, api, state}) {
 
 async function signup({data, state, api}) {
     try {
-        const {plan, email, name, newsletters, offerId} = data;
+        let {plan, tierId, cadence, email, name, newsletters, offerId} = data;
         if (plan.toLowerCase() === 'free') {
             await api.member.sendMagicLink(data);
         } else {
-            const {tierId, cadence} = getProductCadenceFromPrice({site: state?.site, priceId: plan});
-            await api.member.checkoutPlan({plan, tierId, cadence, email, name, newsletters, offerId});
+            if (tierId && cadence) {
+                await api.member.checkoutPlan({plan, tierId, cadence, email, name, newsletters, offerId});
+            } else {
+                ({tierId, cadence} = getProductCadenceFromPrice({site: state?.site, priceId: plan}));
+                await api.member.checkoutPlan({plan, tierId, cadence, email, name, newsletters, offerId});
+            }
         }
         return {
             page: 'magiclink',
@@ -119,8 +123,10 @@ async function signup({data, state, api}) {
 
 async function checkoutPlan({data, state, api}) {
     try {
-        const {plan, offerId} = data;
-        const {tierId, cadence} = getProductCadenceFromPrice({site: state?.site, priceId: plan});
+        let {plan, offerId, tierId, cadence} = data;
+        if (!tierId || !cadence) {
+            ({tierId, cadence} = getProductCadenceFromPrice({site: state?.site, priceId: plan}));
+        }
         await api.member.checkoutPlan({
             plan,
             tierId,