diff --git a/.changeset/calm-paws-shave.md b/.changeset/calm-paws-shave.md
new file mode 100644
index 00000000..7ba76ce0
--- /dev/null
+++ b/.changeset/calm-paws-shave.md
@@ -0,0 +1,5 @@
+---
+"@godaddy/react": patch
+---
+
+fix payload amount precision for godaddy payment express checkout on shipping changes
diff --git a/packages/react/src/components/checkout/payment/checkout-buttons/express/godaddy.tsx b/packages/react/src/components/checkout/payment/checkout-buttons/express/godaddy.tsx
index eec97822..9f2c15e1 100644
--- a/packages/react/src/components/checkout/payment/checkout-buttons/express/godaddy.tsx
+++ b/packages/react/src/components/checkout/payment/checkout-buttons/express/godaddy.tsx
@@ -34,7 +34,10 @@ import { filterAndSortShippingMethods } from '@/components/checkout/shipping/uti
 import { useGetShippingMethodByAddress } from '@/components/checkout/shipping/utils/use-get-shipping-methods';
 import { useGetTaxes } from '@/components/checkout/taxes/utils/use-get-taxes';
 import { mapOrderToFormValues } from '@/components/checkout/utils/checkout-transformers';
-import { useFormatCurrency } from '@/components/checkout/utils/format-currency';
+import {
+  useConvertMajorToMinorUnits,
+  useFormatCurrency,
+} from '@/components/checkout/utils/format-currency';
 import { Skeleton } from '@/components/ui/skeleton';
 import { useGoDaddyContext } from '@/godaddy-provider';
 import { GraphQLErrorWithCodes } from '@/lib/graphql-with-errors';
@@ -47,6 +50,7 @@ import {
 
 export function ExpressCheckoutButton() {
   const formatCurrency = useFormatCurrency();
+  const convertMajorToMinorUnits = useConvertMajorToMinorUnits();
   const { session, setCheckoutErrors } = useCheckoutContext();
   const { isPoyntLoaded } = useLoadPoyntCollect();
   const { godaddyPaymentsConfig } = useCheckoutContext();
@@ -104,7 +108,7 @@ export function ExpressCheckoutButton() {
             subtotalPrice: {
               currencyCode: currency,
               // Wallet APIs provide amounts in major units (e.g., "10.50"), convert to minor units for our API
-              value: Number(amount) * 100 || 0,
+              value: convertMajorToMinorUnits(amount || '0', currency),
             },
           },
         ],
@@ -927,7 +931,10 @@ export function ExpressCheckoutButton() {
           shipping: {
             currencyCode: currencyCode,
             // Convert wallet API amount from major to minor units for internal storage
-            value: Number(shippingAmount) * 100 || 0,
+            value: convertMajorToMinorUnits(
+              shippingAmount || '0',
+              currencyCode
+            ),
           },
         }));
 
@@ -938,7 +945,10 @@ export function ExpressCheckoutButton() {
               shippingAddress,
               {
                 // Convert wallet API amount from major to minor units for API request
-                amountInMinorUnits: Number(shippingAmount) * 100 || 0,
+                amountInMinorUnits: convertMajorToMinorUnits(
+                  shippingAmount || '0',
+                  currencyCode
+                ),
                 name: e.shippingMethod?.label || t.totals.shipping,
               }
             );
@@ -1036,7 +1046,12 @@ export function ExpressCheckoutButton() {
           ...updatedOrder,
           total: {
             label: t.payment.orderTotal,
-            amount: totalAmount.toString(),
+            amount: formatCurrency({
+              amount: totalAmount,
+              currencyCode: currencyCode,
+              inputInMinorUnits: false,
+              returnRaw: true,
+            }),
           },
           lineItems: poyntLineItems,
         };
@@ -1220,7 +1235,12 @@ export function ExpressCheckoutButton() {
           ...poyntExpressRequest,
           total: {
             label: t.payment.orderTotal,
-            amount: totalAmount.toString(),
+            amount: formatCurrency({
+              amount: totalAmount,
+              currencyCode: currencyCode,
+              inputInMinorUnits: false,
+              returnRaw: true,
+            }),
           },
           shippingMethods: methods as ShippingMethod[],
           lineItems: poyntLineItems,
diff --git a/packages/react/src/components/checkout/utils/format-currency.ts b/packages/react/src/components/checkout/utils/format-currency.ts
index 40935c29..e72ab591 100644
--- a/packages/react/src/components/checkout/utils/format-currency.ts
+++ b/packages/react/src/components/checkout/utils/format-currency.ts
@@ -105,6 +105,28 @@ export function formatCurrency({
   }
 }
 
+/**
+ * Converts a currency amount from major units (dollars) to minor units (cents).
+ *
+ * This is the reverse operation of formatCurrency with inputInMinorUnits=true.
+ * It properly handles different currency precisions:
+ * - 2 decimals (USD, EUR, etc.): multiply by 100
+ * - 0 decimals (JPY, KRW, VND, etc.): multiply by 1
+ * - 3 decimals (KWD, BHD, JOD, OMR): multiply by 1000
+ *
+ * @param amount - The amount in major units (e.g., "10.50" or 10.50)
+ * @param currencyCode - ISO 4217 currency code (e.g., 'USD', 'JPY', 'KWD')
+ * @returns The amount in minor units (e.g., 1050 for USD, 10 for JPY, 10500 for KWD)
+ */
+export function convertMajorToMinorUnits(
+  amount: number | string,
+  currencyCode: string
+): number {
+  const config = currencyConfigs[currencyCode] || { precision: 2 };
+  const numAmount = typeof amount === 'string' ? Number(amount) : amount;
+  return Math.round(numAmount * Math.pow(10, config.precision));
+}
+
 /**
  * Hook that returns a formatCurrency function using the locale from GoDaddyProvider context.
  * The returned function has the same signature as formatCurrency, but uses the context locale as default.
@@ -119,3 +141,15 @@ export function useFormatCurrency() {
     });
   };
 }
+
+/**
+ * Hook that returns a convertMajorToMinorUnits function.
+ * This follows the same pattern as useFormatCurrency for consistency.
+ * Note: Locale is not used in currency conversion (only in display formatting),
+ * but we access context to maintain the same hook pattern.
+ */
+export function useConvertMajorToMinorUnits() {
+  return (amount: number | string, currencyCode: string) => {
+    return convertMajorToMinorUnits(amount, currencyCode);
+  };
+}