diff --git a/static/gsApp/utils/billing.tsx b/static/gsApp/utils/billing.tsx
index a3f405765b5fe9..13c3f2ebc4ca38 100644
--- a/static/gsApp/utils/billing.tsx
+++ b/static/gsApp/utils/billing.tsx
@@ -833,3 +833,25 @@ export function getFees({
       (item.type === InvoiceItemType.BALANCE_CHANGE && item.amount > 0)
   );
 }
+
+/**
+ * Returns ondemand invoice items from the invoice or preview data.
+ */
+export function getOnDemandItems({
+  invoiceItems,
+}: {
+  invoiceItems: InvoiceItem[] | PreviewInvoiceItem[];
+}) {
+  return invoiceItems.filter(item => item.type.startsWith('ondemand'));
+}
+
+/**
+ * Removes the budget term (pay-as-you-go/on-demand) from an ondemand item description.
+ */
+export function formatOnDemandDescription(
+  description: string,
+  plan?: Plan | null
+): string {
+  const budgetTerm = displayBudgetName(plan, {title: false}).toLowerCase();
+  return description.replace(new RegExp(`\\s*${budgetTerm}\\s*`, 'gi'), ' ').trim();
+}
diff --git a/static/gsApp/views/amCheckout/cart.spec.tsx b/static/gsApp/views/amCheckout/cart.spec.tsx
index 000003123f0bf1..557ef7aeb43b96 100644
--- a/static/gsApp/views/amCheckout/cart.spec.tsx
+++ b/static/gsApp/views/amCheckout/cart.spec.tsx
@@ -596,4 +596,46 @@ describe('Cart', () => {
     await userEvent.click(planSummaryButton);
     expect(within(planSummary).queryByText('Business Plan')).not.toBeInTheDocument();
   });
+
+  it('renders ondemand usage as a single summed line item', async () => {
+    MockApiClient.addMockResponse({
+      url: `/customers/${organization.slug}/subscription/preview/`,
+      method: 'GET',
+      body: {
+        effectiveAt: new Date(MOCK_TODAY).toISOString(),
+        billedAmount: 150_00,
+        proratedAmount: 150_00,
+        creditApplied: 0,
+        invoiceItems: [
+          {
+            amount: 25_00,
+            description: '500 pay-as-you-go replays',
+            data: {quantity: 500},
+            type: InvoiceItemType.ONDEMAND_REPLAYS,
+          },
+          {
+            amount: 25_00,
+            description: '50 GB pay-as-you-go attachments',
+            data: {quantity: 53687091200},
+            type: InvoiceItemType.ONDEMAND_ATTACHMENTS,
+          },
+        ],
+      },
+    });
+
+    render(
+      <Cart
+        activePlan={businessPlan}
+        formData={defaultFormData}
+        formDataForPreview={getFormDataForPreview(defaultFormData)}
+        organization={organization}
+        subscription={subscription}
+        onSuccess={jest.fn()}
+      />
+    );
+
+    const ondemandItem = await screen.findByTestId('summary-item-ondemand-total');
+    expect(ondemandItem).toHaveTextContent('Pay-as-you-go usage');
+    expect(ondemandItem).toHaveTextContent('$50');
+  });
 });
diff --git a/static/gsApp/views/amCheckout/cart.tsx b/static/gsApp/views/amCheckout/cart.tsx
index 304151098903a6..4d1e31c700ee20 100644
--- a/static/gsApp/views/amCheckout/cart.tsx
+++ b/static/gsApp/views/amCheckout/cart.tsx
@@ -34,6 +34,7 @@ import {
   getCreditApplied,
   getCredits,
   getFees,
+  getOnDemandItems,
   getPlanIcon,
   getProductIcon,
   getReservedBudgetCategoryForAddOn,
@@ -526,6 +527,7 @@ function TotalSummary({
   };
 
   const fees = getFees({invoiceItems: previewData?.invoiceItems ?? []});
+  const onDemandItems = getOnDemandItems({invoiceItems: previewData?.invoiceItems ?? []});
   const credits = getCredits({invoiceItems: previewData?.invoiceItems ?? []});
   const creditApplied = getCreditApplied({
     creditApplied: previewData?.creditApplied ?? 0,
@@ -557,6 +559,19 @@ function TotalSummary({
                     </Item>
                   );
                 })}
+                {onDemandItems.length > 0 && (
+                  <Item data-test-id="summary-item-ondemand-total">
+                    <ItemWithPrice
+                      item={tct('[budgetTerm] usage', {
+                        budgetTerm: displayBudgetName(activePlan, {title: true}),
+                      })}
+                      price={utils.displayPrice({
+                        cents: onDemandItems.reduce((sum, item) => sum + item.amount, 0),
+                      })}
+                      shouldBoldItem={false}
+                    />
+                  </Item>
+                )}
                 {!!creditApplied && (
                   <Item data-test-id="summary-item-credit_applied">
                     <ItemWithPrice
diff --git a/static/gsApp/views/amCheckout/checkoutSuccess.spec.tsx b/static/gsApp/views/amCheckout/checkoutSuccess.spec.tsx
index 93d923950f99f9..621848c449186d 100644
--- a/static/gsApp/views/amCheckout/checkoutSuccess.spec.tsx
+++ b/static/gsApp/views/amCheckout/checkoutSuccess.spec.tsx
@@ -6,6 +6,7 @@ import {render, screen} from 'sentry-test/reactTestingLibrary';
 import {resetMockDate, setMockDate} from 'sentry-test/utils';
 
 import {PreviewDataFixture} from 'getsentry/__fixtures__/previewData';
+import {InvoiceItemType} from 'getsentry/types';
 import CheckoutSuccess from 'getsentry/views/amCheckout/checkoutSuccess';
 
 describe('CheckoutSuccess', () => {
@@ -67,4 +68,49 @@ describe('CheckoutSuccess', () => {
     expect(screen.queryByTestId('scheduled-changes')).not.toBeInTheDocument();
     expect(screen.queryByTestId('receipt')).not.toBeInTheDocument();
   });
+
+  it('renders ondemand items in receipt', async () => {
+    const invoiceWithOnDemand = InvoiceFixture({
+      items: [
+        {
+          type: InvoiceItemType.SUBSCRIPTION,
+          description: 'Subscription to Team Plan',
+          amount: 31200,
+          data: {quantity: null},
+          periodStart: '2025-01-01T00:00:00Z',
+          periodEnd: '2026-01-01T00:00:00Z',
+        },
+        {
+          type: InvoiceItemType.ONDEMAND_ERRORS,
+          description: '4,901,066 pay-as-you-go errors',
+          amount: 94022,
+          data: {quantity: 4901066},
+          periodStart: '2025-01-01T00:00:00Z',
+          periodEnd: '2026-01-01T00:00:00Z',
+        },
+        {
+          type: InvoiceItemType.ONDEMAND_MONITOR_SEATS,
+          description: '2 pay-as-you-go cron monitors',
+          amount: 156,
+          data: {quantity: 2},
+          periodStart: '2025-01-01T00:00:00Z',
+          periodEnd: '2026-01-01T00:00:00Z',
+        },
+      ],
+    });
+
+    render(
+      <CheckoutSuccess
+        invoice={invoiceWithOnDemand}
+        basePlan={bizPlan}
+        nextQueryParams={[]}
+      />
+    );
+
+    expect(await screen.findByText('Pay-as-you-go usage')).toBeInTheDocument();
+    expect(screen.getByText('4,901,066 errors')).toBeInTheDocument();
+    expect(screen.getByText('2 cron monitors')).toBeInTheDocument();
+    expect(screen.getByText('$940.22')).toBeInTheDocument();
+    expect(screen.getByText('$1.56')).toBeInTheDocument();
+  });
 });
diff --git a/static/gsApp/views/amCheckout/checkoutSuccess.tsx b/static/gsApp/views/amCheckout/checkoutSuccess.tsx
index 2ed52c540b528c..a3ae4d71211d73 100644
--- a/static/gsApp/views/amCheckout/checkoutSuccess.tsx
+++ b/static/gsApp/views/amCheckout/checkoutSuccess.tsx
@@ -27,10 +27,13 @@ import {
   type PreviewInvoiceItem,
 } from 'getsentry/types';
 import {
+  displayBudgetName,
+  formatOnDemandDescription,
   formatReservedWithUnits,
   getCreditApplied,
   getCredits,
   getFees,
+  getOnDemandItems,
   getPlanIcon,
   getProductIcon,
 } from 'getsentry/utils/billing';
@@ -66,6 +69,7 @@ interface ScheduledChangesProps extends ChangesProps {
 interface ReceiptProps extends ChangesProps {
   charges: Charge[];
   dateCreated: string;
+  onDemandItems: Array<InvoiceItem | PreviewInvoiceItem>;
   planItem: InvoiceItem;
 }
 
@@ -299,6 +303,7 @@ function Receipt({
   creditApplied,
   credits,
   fees,
+  onDemandItems,
   products,
   reservedVolume,
   total,
@@ -403,6 +408,35 @@ function Receipt({
                   })}
                 </ReceiptSection>
               )}
+              {onDemandItems.length > 0 && (
+                <ReceiptSection>
+                  <ReceiptItem
+                    rowItems={[
+                      tct('[budgetTerm] usage', {
+                        budgetTerm: displayBudgetName(plan, {title: true}),
+                      }),
+                      null,
+                    ]}
+                  />
+                  {onDemandItems.map(item => {
+                    const cleanDescription = formatOnDemandDescription(
+                      item.description,
+                      plan
+                    );
+
+                    return (
+                      <ReceiptItem
+                        key={item.type}
+                        isSubItem={false}
+                        rowItems={[
+                          cleanDescription,
+                          utils.displayPrice({cents: item.amount}),
+                        ]}
+                      />
+                    );
+                  })}
+                </ReceiptSection>
+              )}
               {(creditApplied > 0 || credits.length + fees.length > 0) && (
                 <ReceiptSection>
                   {fees.map(item => {
@@ -486,6 +520,7 @@ function CheckoutSuccess({
   const products = invoiceItems.filter(
     item => item.type === InvoiceItemType.RESERVED_SEER_BUDGET
   );
+  const onDemandItems = getOnDemandItems({invoiceItems});
   const fees = getFees({invoiceItems});
   const credits = getCredits({invoiceItems});
   // TODO(isabella): PreviewData never has the InvoiceItemType.BALANCE_CHANGE type
@@ -602,6 +637,7 @@ function CheckoutSuccess({
           {...commonChangesProps}
           charges={invoice.charges}
           planItem={planItem as InvoiceItem}
+          onDemandItems={onDemandItems}
           dateCreated={invoice.dateCreated}
         />
       ) : effectiveToday ? null : (