diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 0b607cc35f..bb17f266f1 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -169,7 +169,7 @@ jobs:
             if [ "$STATUS" == "ACTIVE" ]; then
               echo "✅ Deployment completed successfully."
               exit 0
-            elif [[ "$STATUS" == "FAILED" || "$STATUS" == "CANCELLED" ]]; then
+            elif [[ "$STATUS" == "FAILED" || "$STATUS" == "CANCELED" ]]; then
               echo "❌ Deployment failed or was cancelled."
               exit 1
             fi
diff --git a/backend/app/DomainObjects/OrderDomainObject.php b/backend/app/DomainObjects/OrderDomainObject.php
index 9a5baed0fd..5782dd2af5 100644
--- a/backend/app/DomainObjects/OrderDomainObject.php
+++ b/backend/app/DomainObjects/OrderDomainObject.php
@@ -29,6 +29,8 @@ class OrderDomainObject extends Generated\OrderDomainObjectAbstract implements I
 
     public ?EventDomainObject $event = null;
 
+    public ?string $sessionIdentifier = null;
+
     public static function getAllowedFilterFields(): array
     {
         return [
@@ -253,4 +255,15 @@ public function getInvoices(): ?Collection
     {
         return $this->invoices;
     }
+
+    public function setSessionIdentifier(?string $sessionIdentifier): OrderDomainObject
+    {
+        $this->sessionIdentifier = $sessionIdentifier;
+        return $this;
+    }
+
+    public function getSessionIdentifier(): ?string
+    {
+        return $this->sessionIdentifier;
+    }
 }
diff --git a/backend/app/Http/Actions/Orders/Public/CreateOrderActionPublic.php b/backend/app/Http/Actions/Orders/Public/CreateOrderActionPublic.php
index bf024a9df7..9f0f48fde1 100644
--- a/backend/app/Http/Actions/Orders/Public/CreateOrderActionPublic.php
+++ b/backend/app/Http/Actions/Orders/Public/CreateOrderActionPublic.php
@@ -48,10 +48,12 @@ public function __invoke(CreateOrderRequest $request, int $eventId): JsonRespons
             ])
         );
 
+        $order->setSessionIdentifier($sessionId);
+
         $response =  $this->resourceResponse(
             resource: OrderResourcePublic::class,
             data: $order,
-            statusCode: ResponseCodes::HTTP_CREATED
+            statusCode: ResponseCodes::HTTP_CREATED,
         );
 
         return $response->withCookie(
diff --git a/backend/app/Http/Actions/Orders/Public/GetOrderActionPublic.php b/backend/app/Http/Actions/Orders/Public/GetOrderActionPublic.php
index 01b7e0e925..ff8133af4f 100644
--- a/backend/app/Http/Actions/Orders/Public/GetOrderActionPublic.php
+++ b/backend/app/Http/Actions/Orders/Public/GetOrderActionPublic.php
@@ -6,13 +6,15 @@
 use HiEvents\Resources\Order\OrderResourcePublic;
 use HiEvents\Services\Application\Handlers\Order\DTO\GetOrderPublicDTO;
 use HiEvents\Services\Application\Handlers\Order\GetOrderPublicHandler;
+use HiEvents\Services\Infrastructure\Session\CheckoutSessionManagementService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 
 class GetOrderActionPublic extends BaseAction
 {
     public function __construct(
-        private readonly GetOrderPublicHandler $getOrderPublicHandler
+        private readonly GetOrderPublicHandler            $getOrderPublicHandler,
+        private readonly CheckoutSessionManagementService $sessionService,
     )
     {
     }
@@ -25,9 +27,17 @@ public function __invoke(int $eventId, string $orderShortId, Request $request):
             includeEventInResponse: $this->isIncludeRequested($request, 'event'),
         ));
 
-        return $this->resourceResponse(
+        $response = $this->resourceResponse(
             resource: OrderResourcePublic::class,
             data: $order,
         );
+
+        if ($request->query->has('session_identifier')) {
+            $response->headers->setCookie(
+                $this->sessionService->getSessionCookie()
+            );
+        }
+
+        return $response;
     }
 }
diff --git a/backend/app/Resources/Order/OrderResourcePublic.php b/backend/app/Resources/Order/OrderResourcePublic.php
index 4654c50926..7880d22ed5 100644
--- a/backend/app/Resources/Order/OrderResourcePublic.php
+++ b/backend/app/Resources/Order/OrderResourcePublic.php
@@ -8,7 +8,6 @@
 use HiEvents\Resources\Attendee\AttendeeResourcePublic;
 use HiEvents\Resources\BaseResource;
 use HiEvents\Resources\Event\EventResourcePublic;
-use HiEvents\Resources\Order\Invoice\InvoiceResource;
 use HiEvents\Resources\Order\Invoice\InvoiceResourcePublic;
 use Illuminate\Http\Request;
 
@@ -64,6 +63,9 @@ public function toArray(Request $request): array
                 !is_null($this->getAttendees()),
                 fn() => AttendeeResourcePublic::collection($this->getAttendees())
             ),
+            $this->mergeWhen($this->getSessionIdentifier() !== null, fn() => [
+                'session_identifier' => $this->getSessionIdentifier(),
+            ]),
         ];
     }
 }
diff --git a/backend/app/Services/Infrastructure/Session/CheckoutSessionManagementService.php b/backend/app/Services/Infrastructure/Session/CheckoutSessionManagementService.php
index 792067f849..d7552ac842 100644
--- a/backend/app/Services/Infrastructure/Session/CheckoutSessionManagementService.php
+++ b/backend/app/Services/Infrastructure/Session/CheckoutSessionManagementService.php
@@ -22,7 +22,7 @@ public function __construct(
     }
 
     /**
-     * Get the session ID from the cookie, or generate a new one if it doesn't exist.
+     * Get the session ID from query param, cookie, or generate a new one.
      */
     public function getSessionId(): string
     {
@@ -30,7 +30,9 @@ public function getSessionId(): string
             return $this->sessionId;
         }
 
-        $this->sessionId = $this->request->cookie(self::SESSION_IDENTIFIER) ?? $this->createSessionId();
+        $this->sessionId = $this->request->query(self::SESSION_IDENTIFIER)
+            ?? $this->request->cookie(self::SESSION_IDENTIFIER)
+            ?? $this->createSessionId();
 
         return $this->sessionId;
     }
diff --git a/frontend/src/api/order.client.ts b/frontend/src/api/order.client.ts
index eb80c8001e..350893b33a 100644
--- a/frontend/src/api/order.client.ts
+++ b/frontend/src/api/order.client.ts
@@ -116,8 +116,24 @@ export const orderClientPublic = {
         return response.data;
     },
 
-    findByShortId: async (eventId: number, orderShortId: string, includes: string[] = []) => {
-        const response = await publicApi.get<GenericDataResponse<Order>>(`events/${eventId}/order/${orderShortId}?include=${includes.join(',')}`);
+    findByShortId: async (
+        eventId: number,
+        orderShortId: string,
+        includes: string[] = [],
+        sessionIdentifier?: string
+    ) => {
+        const query = new URLSearchParams();
+        if (includes.length > 0) {
+            query.append("include", includes.join(","));
+        }
+        if (sessionIdentifier) {
+            query.append("session_identifier", sessionIdentifier);
+        }
+
+        const response = await publicApi.get<GenericDataResponse<Order>>(
+            `events/${eventId}/order/${orderShortId}?${query.toString()}`
+        );
+
         return response.data;
     },
 
@@ -125,11 +141,11 @@ export const orderClientPublic = {
         return await publicApi.get<StripePaymentIntent>(`events/${eventId}/order/${orderShortId}/stripe/payment_intent`);
     },
 
-    createStripePaymentIntent: async (eventId: number, orderShortId: string, sessionIdentifier: string) => {
+    createStripePaymentIntent: async (eventId: number, orderShortId: string) => {
         const response = await publicApi.post<{
             client_secret: string,
             account_id?: string,
-        }>(`events/${eventId}/order/${orderShortId}/stripe/payment_intent?session_identifier=${sessionIdentifier}`);
+        }>(`events/${eventId}/order/${orderShortId}/stripe/payment_intent`);
         return response.data;
     },
 
diff --git a/frontend/src/components/routes/product-widget/SelectProducts/index.tsx b/frontend/src/components/routes/product-widget/SelectProducts/index.tsx
index 8f6d74aa6c..44d3c32654 100644
--- a/frontend/src/components/routes/product-widget/SelectProducts/index.tsx
+++ b/frontend/src/components/routes/product-widget/SelectProducts/index.tsx
@@ -103,7 +103,10 @@ const SelectProducts = (props: SelectProductsProps) => {
             .then(() => {
                 const url = '/checkout/' + eventId + '/' + data.data.short_id + '/details';
                 if (props.widgetMode === 'embedded') {
-                    window.open(url, '_blank');
+                    window.open(
+                        url + '?session_identifier=' + data.data.session_identifier + '&utm_source=embedded_widget',
+                        '_blank'
+                    );
                     setOrderInProcessOverlayVisible(true);
                     return;
                 }
diff --git a/frontend/src/queries/useCreateStripePaymentIntent.ts b/frontend/src/queries/useCreateStripePaymentIntent.ts
index 65826138a9..5eada79576 100644
--- a/frontend/src/queries/useCreateStripePaymentIntent.ts
+++ b/frontend/src/queries/useCreateStripePaymentIntent.ts
@@ -13,7 +13,6 @@ export const useCreateStripePaymentIntent = (eventId: IdParam, orderShortId: IdP
             const {client_secret, account_id} = await orderClientPublic.createStripePaymentIntent(
                 Number(eventId),
                 String(orderShortId),
-                getSessionIdentifier(),
             );
             return {client_secret, account_id};
         },
diff --git a/frontend/src/queries/useGetOrderPublic.ts b/frontend/src/queries/useGetOrderPublic.ts
index c098c917e0..77dfb12850 100644
--- a/frontend/src/queries/useGetOrderPublic.ts
+++ b/frontend/src/queries/useGetOrderPublic.ts
@@ -1,25 +1,44 @@
 import {useQuery} from "@tanstack/react-query";
 import {orderClientPublic} from "../api/order.client.ts";
 import {IdParam, Order} from "../types.ts";
+import {useMemo} from "react";
+import {isSsr} from "../utilites/helpers.ts";
 
-export const GET_ORDER_PUBLIC_QUERY_KEY = 'getOrderPublic';
+export const GET_ORDER_PUBLIC_QUERY_KEY = "getOrderPublic";
 
-export const useGetOrderPublic = (eventId: IdParam, orderShortId: IdParam, includes: string[] = []) => {
-    return useQuery<Order>({
-        queryKey: [GET_ORDER_PUBLIC_QUERY_KEY, eventId, orderShortId],
+const getSessionIdentifierFromUrl = (): string | null => {
+    if (isSsr()) return null;
+
+    const url = new URL(window.location.href);
+    return url.searchParams.get("session_identifier");
+};
+
+export const useGetOrderPublic = (
+    eventId: IdParam,
+    orderShortId: IdParam,
+    includes: string[] = []
+) => {
+    const sessionIdentifier = useMemo(getSessionIdentifierFromUrl, []);
 
+    return useQuery<Order>({
+        queryKey: [
+            GET_ORDER_PUBLIC_QUERY_KEY,
+            eventId,
+            orderShortId,
+            sessionIdentifier,
+        ],
         queryFn: async () => {
             const {data} = await orderClientPublic.findByShortId(
                 Number(eventId),
                 String(orderShortId),
                 includes,
+                sessionIdentifier ?? undefined
             );
             return data;
         },
-
         refetchOnWindowFocus: false,
         staleTime: 500,
         retryOnMount: false,
-        retry: false
+        retry: false,
     });
-}
+};
diff --git a/frontend/src/types.ts b/frontend/src/types.ts
index 1d851bf82a..9ed8652cfc 100644
--- a/frontend/src/types.ts
+++ b/frontend/src/types.ts
@@ -475,6 +475,7 @@ export interface Order {
     question_answers?: QuestionAnswer[];
     event?: Event;
     latest_invoice?: Invoice;
+    session_identifier?: string;
 }
 
 export interface Invoice {