diff --git a/custom-payment-flow/client/html/ach.js b/custom-payment-flow/client/html/ach.js
index 1a020b741a..5fec2eca80 100644
--- a/custom-payment-flow/client/html/ach.js
+++ b/custom-payment-flow/client/html/ach.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
   let paymentIntentClientSecret;
 
diff --git a/custom-payment-flow/client/html/acss.js b/custom-payment-flow/client/html/acss.js
index ca4cc3476d..0e6c6d949e 100644
--- a/custom-payment-flow/client/html/acss.js
+++ b/custom-payment-flow/client/html/acss.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/affirm.js b/custom-payment-flow/client/html/affirm.js
index 6fedaecd3f..380b517630 100644
--- a/custom-payment-flow/client/html/affirm.js
+++ b/custom-payment-flow/client/html/affirm.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/afterpay-clearpay.js b/custom-payment-flow/client/html/afterpay-clearpay.js
index 7c7ee13199..34713770ab 100644
--- a/custom-payment-flow/client/html/afterpay-clearpay.js
+++ b/custom-payment-flow/client/html/afterpay-clearpay.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/alipay.js b/custom-payment-flow/client/html/alipay.js
index 20798a83e5..ba3e322852 100644
--- a/custom-payment-flow/client/html/alipay.js
+++ b/custom-payment-flow/client/html/alipay.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/apple-pay.js b/custom-payment-flow/client/html/apple-pay.js
index 9871487a96..fa2870f12f 100644
--- a/custom-payment-flow/client/html/apple-pay.js
+++ b/custom-payment-flow/client/html/apple-pay.js
@@ -12,7 +12,7 @@ document.addEventListener('DOMContentLoaded', async () => {
 
   // 1. Initialize Stripe
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // 2. Create a payment request object
diff --git a/custom-payment-flow/client/html/boleto.js b/custom-payment-flow/client/html/boleto.js
index 35d6428c57..a5ef9d8e7a 100644
--- a/custom-payment-flow/client/html/boleto.js
+++ b/custom-payment-flow/client/html/boleto.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/card.js b/custom-payment-flow/client/html/card.js
index 8ed8f83f2d..31a921ec80 100644
--- a/custom-payment-flow/client/html/card.js
+++ b/custom-payment-flow/client/html/card.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const elements = stripe.elements();
diff --git a/custom-payment-flow/client/html/eps.js b/custom-payment-flow/client/html/eps.js
index 7937f005e6..21479496d3 100644
--- a/custom-payment-flow/client/html/eps.js
+++ b/custom-payment-flow/client/html/eps.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
   const elements = stripe.elements();
   const epsBank = elements.create('epsBank');
diff --git a/custom-payment-flow/client/html/fpx.js b/custom-payment-flow/client/html/fpx.js
index e06afd7c6d..4d45790b8e 100644
--- a/custom-payment-flow/client/html/fpx.js
+++ b/custom-payment-flow/client/html/fpx.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
   const elements = stripe.elements();
   const fpxBank = elements.create('fpxBank', {
diff --git a/custom-payment-flow/client/html/giropay.js b/custom-payment-flow/client/html/giropay.js
index 6062aee13b..a79ef9d096 100644
--- a/custom-payment-flow/client/html/giropay.js
+++ b/custom-payment-flow/client/html/giropay.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/google-pay.js b/custom-payment-flow/client/html/google-pay.js
index 9c778431e4..c16287b2d5 100644
--- a/custom-payment-flow/client/html/google-pay.js
+++ b/custom-payment-flow/client/html/google-pay.js
@@ -12,7 +12,7 @@ document.addEventListener('DOMContentLoaded', async () => {
 
   // 1. Initialize Stripe
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // 2. Create a payment request object
diff --git a/custom-payment-flow/client/html/grabpay.js b/custom-payment-flow/client/html/grabpay.js
index 331b3ba274..f7a5dd4293 100644
--- a/custom-payment-flow/client/html/grabpay.js
+++ b/custom-payment-flow/client/html/grabpay.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
     alert('Please set your Stripe publishable API key in the .env file');
   }
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/ideal.js b/custom-payment-flow/client/html/ideal.js
index 12f6a65767..9223e07eab 100644
--- a/custom-payment-flow/client/html/ideal.js
+++ b/custom-payment-flow/client/html/ideal.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const elements = stripe.elements();
diff --git a/custom-payment-flow/client/html/klarna.js b/custom-payment-flow/client/html/klarna.js
index fddc47fc27..a7999d3996 100644
--- a/custom-payment-flow/client/html/klarna.js
+++ b/custom-payment-flow/client/html/klarna.js
@@ -27,7 +27,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/konbini.js b/custom-payment-flow/client/html/konbini.js
index a3b3edfce9..2b1adc1b38 100644
--- a/custom-payment-flow/client/html/konbini.js
+++ b/custom-payment-flow/client/html/konbini.js
@@ -12,7 +12,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   
     const stripe = Stripe(publishableKey, {
       betas: ['konbini_pm_beta_1'],
-      apiVersion: '2020-08-27; konbini_beta=v1',
+      apiVersion: '2025-12-15.clover',
     });
   
     // When the form is submitted...
diff --git a/custom-payment-flow/client/html/link.js b/custom-payment-flow/client/html/link.js
index 265bfe38ac..ed7d274cb7 100644
--- a/custom-payment-flow/client/html/link.js
+++ b/custom-payment-flow/client/html/link.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2022-11-15',
+    apiVersion: '2025-12-15.clover',
   });
 
   const { clientSecret } = await fetch('/create-payment-intent', {
diff --git a/custom-payment-flow/client/html/oxxo.js b/custom-payment-flow/client/html/oxxo.js
index 8fca019de1..889ec39733 100644
--- a/custom-payment-flow/client/html/oxxo.js
+++ b/custom-payment-flow/client/html/oxxo.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/p24.js b/custom-payment-flow/client/html/p24.js
index 8b111a4f49..8b1106c127 100644
--- a/custom-payment-flow/client/html/p24.js
+++ b/custom-payment-flow/client/html/p24.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const elements = stripe.elements();
diff --git a/custom-payment-flow/client/html/paypal.js b/custom-payment-flow/client/html/paypal.js
index f8082207b5..0fddd5d44d 100644
--- a/custom-payment-flow/client/html/paypal.js
+++ b/custom-payment-flow/client/html/paypal.js
@@ -12,7 +12,7 @@ document.addEventListener('DOMContentLoaded', async () => {
 
   // 1. Initialize Stripe
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2024-06-20',
+    apiVersion: '2025-12-15.clover',
   });
 
   MODE = 'payment';
diff --git a/custom-payment-flow/client/html/return.js b/custom-payment-flow/client/html/return.js
index a2975b0072..1ac2363f64 100644
--- a/custom-payment-flow/client/html/return.js
+++ b/custom-payment-flow/client/html/return.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const url = new URL(window.location);
diff --git a/custom-payment-flow/client/html/sepa-debit.js b/custom-payment-flow/client/html/sepa-debit.js
index a58cdb76d1..a04e79c2d3 100644
--- a/custom-payment-flow/client/html/sepa-debit.js
+++ b/custom-payment-flow/client/html/sepa-debit.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const elements = stripe.elements();
diff --git a/custom-payment-flow/client/html/sofort.js b/custom-payment-flow/client/html/sofort.js
index 8d97a2cc42..b3e606fa07 100644
--- a/custom-payment-flow/client/html/sofort.js
+++ b/custom-payment-flow/client/html/sofort.js
@@ -11,7 +11,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/client/html/wechatpay.js b/custom-payment-flow/client/html/wechatpay.js
index 1b753653c4..34bbd237f3 100644
--- a/custom-payment-flow/client/html/wechatpay.js
+++ b/custom-payment-flow/client/html/wechatpay.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
     alert('Please set your Stripe publishable API key in the .env file');
   }
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-03-02',
+    apiVersion: '2025-12-15.clover',
   });
 
   // When the form is submitted...
diff --git a/custom-payment-flow/server/node/server.js b/custom-payment-flow/server/node/server.js
index bb42cf0750..c8d3891b5a 100644
--- a/custom-payment-flow/server/node/server.js
+++ b/custom-payment-flow/server/node/server.js
@@ -12,7 +12,7 @@ const calculateTax = false;
 // See https://docs.stripe.com/keys-best-practices and find your
 // keys at https://dashboard.stripe.com/apikeys.
 const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY, {
-  apiVersion: '2023-10-16',
+  apiVersion: '2025-12-15.clover',
   appInfo: {
     // For sample support and debugging, not required for production:
     name: 'stripe-samples/accept-a-payment/custom-payment-flow',
diff --git a/custom-payment-flow/server/php/public/acss.php b/custom-payment-flow/server/php/public/acss.php
index 3d3fdd3838..bdafa410f3 100644
--- a/custom-payment-flow/server/php/public/acss.php
+++ b/custom-payment-flow/server/php/public/acss.php
@@ -44,7 +44,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const paymentForm = document.querySelector('#payment-form');
diff --git a/custom-payment-flow/server/php/public/afterpay-clearpay.php b/custom-payment-flow/server/php/public/afterpay-clearpay.php
index 669b96d82d..47f1a39d54 100644
--- a/custom-payment-flow/server/php/public/afterpay-clearpay.php
+++ b/custom-payment-flow/server/php/public/afterpay-clearpay.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const paymentForm = document.querySelector('#payment-form');
         paymentForm.addEventListener('submit', async (e) => {
diff --git a/custom-payment-flow/server/php/public/alipay.php b/custom-payment-flow/server/php/public/alipay.php
index 28e090c140..bc2019a2c5 100644
--- a/custom-payment-flow/server/php/public/alipay.php
+++ b/custom-payment-flow/server/php/public/alipay.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const paymentForm = document.querySelector('#payment-form');
diff --git a/custom-payment-flow/server/php/public/apple-pay.php b/custom-payment-flow/server/php/public/apple-pay.php
index b6052fb04a..3cc3f10e33 100644
--- a/custom-payment-flow/server/php/public/apple-pay.php
+++ b/custom-payment-flow/server/php/public/apple-pay.php
@@ -36,7 +36,7 @@
       document.addEventListener('DOMContentLoaded', async () => {
         // 1. Initialize Stripe
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         // 2. Create a payment request object
diff --git a/custom-payment-flow/server/php/public/bancontact.php b/custom-payment-flow/server/php/public/bancontact.php
index 5c51141e34..a6d4c6e95c 100644
--- a/custom-payment-flow/server/php/public/bancontact.php
+++ b/custom-payment-flow/server/php/public/bancontact.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const paymentForm = document.querySelector('#payment-form');
         paymentForm.addEventListener('submit', async (e) => {
diff --git a/custom-payment-flow/server/php/public/becs-debit.php b/custom-payment-flow/server/php/public/becs-debit.php
index 059adb42a3..c101d7ec77 100644
--- a/custom-payment-flow/server/php/public/becs-debit.php
+++ b/custom-payment-flow/server/php/public/becs-debit.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const elements = stripe.elements();
         const auBankAccount = elements.create('auBankAccount');
diff --git a/custom-payment-flow/server/php/public/boleto.php b/custom-payment-flow/server/php/public/boleto.php
index 3bd908b191..477cbdfd72 100644
--- a/custom-payment-flow/server/php/public/boleto.php
+++ b/custom-payment-flow/server/php/public/boleto.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const paymentForm = document.querySelector('#payment-form');
diff --git a/custom-payment-flow/server/php/public/card.php b/custom-payment-flow/server/php/public/card.php
index 84ea326b29..f325695fb9 100644
--- a/custom-payment-flow/server/php/public/card.php
+++ b/custom-payment-flow/server/php/public/card.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const elements = stripe.elements();
         const cardElement = elements.create('card');
diff --git a/custom-payment-flow/server/php/public/eps.php b/custom-payment-flow/server/php/public/eps.php
index 69792faedd..6ff391fb42 100644
--- a/custom-payment-flow/server/php/public/eps.php
+++ b/custom-payment-flow/server/php/public/eps.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const elements = stripe.elements();
diff --git a/custom-payment-flow/server/php/public/fpx.php b/custom-payment-flow/server/php/public/fpx.php
index 846d45917a..c808188fd5 100644
--- a/custom-payment-flow/server/php/public/fpx.php
+++ b/custom-payment-flow/server/php/public/fpx.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const elements = stripe.elements();
diff --git a/custom-payment-flow/server/php/public/giropay.php b/custom-payment-flow/server/php/public/giropay.php
index e81f94b9eb..67fcded3fe 100644
--- a/custom-payment-flow/server/php/public/giropay.php
+++ b/custom-payment-flow/server/php/public/giropay.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const paymentForm = document.querySelector('#payment-form');
         paymentForm.addEventListener('submit', async (e) => {
diff --git a/custom-payment-flow/server/php/public/google-pay.php b/custom-payment-flow/server/php/public/google-pay.php
index 4405cbad0d..0127c8c4cd 100644
--- a/custom-payment-flow/server/php/public/google-pay.php
+++ b/custom-payment-flow/server/php/public/google-pay.php
@@ -36,7 +36,7 @@
       document.addEventListener('DOMContentLoaded', async () => {
         // 1. Initialize Stripe
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         // 2. Create a payment request object
diff --git a/custom-payment-flow/server/php/public/grabpay.php b/custom-payment-flow/server/php/public/grabpay.php
index 03ed8324ed..d414e94ee5 100644
--- a/custom-payment-flow/server/php/public/grabpay.php
+++ b/custom-payment-flow/server/php/public/grabpay.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const paymentForm = document.querySelector('#payment-form');
         paymentForm.addEventListener('submit', async (e) => {
diff --git a/custom-payment-flow/server/php/public/ideal.php b/custom-payment-flow/server/php/public/ideal.php
index 633f2c78d0..ea8bfd9921 100644
--- a/custom-payment-flow/server/php/public/ideal.php
+++ b/custom-payment-flow/server/php/public/ideal.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
 
diff --git a/custom-payment-flow/server/php/public/konbini.php b/custom-payment-flow/server/php/public/konbini.php
index 82100783f4..dd6e8900b5 100644
--- a/custom-payment-flow/server/php/public/konbini.php
+++ b/custom-payment-flow/server/php/public/konbini.php
@@ -42,7 +42,7 @@
         
         document.addEventListener('DOMContentLoaded', async () => {
             const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-                apiVersion: '2020-08-27',
+                apiVersion: '2025-12-15.clover',
             });
         
             // When the form is submitted...
diff --git a/custom-payment-flow/server/php/public/link.php b/custom-payment-flow/server/php/public/link.php
index 779b9ae570..ab9d40a9d7 100644
--- a/custom-payment-flow/server/php/public/link.php
+++ b/custom-payment-flow/server/php/public/link.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2022-11-15',
+          apiVersion: '2025-12-15.clover',
         });
           // Enable the skeleton loader UI for the optimal loading experience.
         const loader = 'auto';
diff --git a/custom-payment-flow/server/php/public/oxxo.php b/custom-payment-flow/server/php/public/oxxo.php
index 1c463a604f..bb6f772a5e 100644
--- a/custom-payment-flow/server/php/public/oxxo.php
+++ b/custom-payment-flow/server/php/public/oxxo.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const paymentForm = document.querySelector('#payment-form');
diff --git a/custom-payment-flow/server/php/public/p24.php b/custom-payment-flow/server/php/public/p24.php
index a996422f3e..0eb90d0690 100644
--- a/custom-payment-flow/server/php/public/p24.php
+++ b/custom-payment-flow/server/php/public/p24.php
@@ -36,7 +36,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const elements = stripe.elements();
diff --git a/custom-payment-flow/server/php/public/sepa-debit.php b/custom-payment-flow/server/php/public/sepa-debit.php
index 11077d8311..0405074867 100644
--- a/custom-payment-flow/server/php/public/sepa-debit.php
+++ b/custom-payment-flow/server/php/public/sepa-debit.php
@@ -34,7 +34,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const elements = stripe.elements();
         const iban = elements.create('iban', {
diff --git a/custom-payment-flow/server/php/public/sofort.php b/custom-payment-flow/server/php/public/sofort.php
index 5528314e97..8c040348df 100644
--- a/custom-payment-flow/server/php/public/sofort.php
+++ b/custom-payment-flow/server/php/public/sofort.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
         const paymentForm = document.querySelector('#payment-form');
         paymentForm.addEventListener('submit', async (e) => {
diff --git a/custom-payment-flow/server/python/server.py b/custom-payment-flow/server/python/server.py
index 581007608f..cb33887455 100644
--- a/custom-payment-flow/server/python/server.py
+++ b/custom-payment-flow/server/python/server.py
@@ -15,7 +15,7 @@
     version='0.0.2',
     url='https://github.com/stripe-samples')
 
-stripe.api_version = '2023-10-16'
+stripe.api_version = '2025-12-15.clover'
 # Don't put any keys in code. Use an environment variable (as shown
 # here) or secrets vault to supply keys to your integration.
 #
diff --git a/custom-payment-flow/server/ruby/server.rb b/custom-payment-flow/server/ruby/server.rb
index f30420eea9..25bc2978d5 100644
--- a/custom-payment-flow/server/ruby/server.rb
+++ b/custom-payment-flow/server/ruby/server.rb
@@ -14,7 +14,7 @@
   version: '0.0.2',
   url: 'https://github.com/stripe-samples'
 )
-Stripe.api_version = '2020-08-27'
+Stripe.api_version = '2025-12-15.clover'
 # Don't put any keys in code. Use an environment variable (as shown
 # here) or secrets vault to supply keys to your integration.
 #
diff --git a/payment-element/client/html/index.js b/payment-element/client/html/index.js
index dd0173484d..92b064bcd3 100644
--- a/payment-element/client/html/index.js
+++ b/payment-element/client/html/index.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   // On page load, we create a PaymentIntent on the server so that we have its clientSecret to
diff --git a/payment-element/client/html/return.js b/payment-element/client/html/return.js
index a2975b0072..1ac2363f64 100644
--- a/payment-element/client/html/return.js
+++ b/payment-element/client/html/return.js
@@ -10,7 +10,7 @@ document.addEventListener('DOMContentLoaded', async () => {
   }
 
   const stripe = Stripe(publishableKey, {
-    apiVersion: '2020-08-27',
+    apiVersion: '2025-12-15.clover',
   });
 
   const url = new URL(window.location);
diff --git a/payment-element/server/node/server.js b/payment-element/server/node/server.js
index bde45b528c..f3aff274ec 100644
--- a/payment-element/server/node/server.js
+++ b/payment-element/server/node/server.js
@@ -11,7 +11,7 @@ const calculateTax = false;
 // See https://docs.stripe.com/keys-best-practices and find your
 // keys at https://dashboard.stripe.com/apikeys.
 const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY, {
-  apiVersion: '2023-10-16',
+  apiVersion: '2025-12-15.clover',
   appInfo: { // For sample support and debugging, not required for production:
     name: "stripe-samples/accept-a-payment/payment-element",
     version: "0.0.2",
diff --git a/payment-element/server/php/public/index.php b/payment-element/server/php/public/index.php
index 79fbe10ba8..c46f326188 100644
--- a/payment-element/server/php/public/index.php
+++ b/payment-element/server/php/public/index.php
@@ -35,7 +35,7 @@
     <script>
       document.addEventListener('DOMContentLoaded', async () => {
         const stripe = Stripe('<?= $_ENV["STRIPE_PUBLISHABLE_KEY"]; ?>', {
-          apiVersion: '2020-08-27',
+          apiVersion: '2025-12-15.clover',
         });
 
         const elements = stripe.elements({
diff --git a/payment-element/server/python/server.py b/payment-element/server/python/server.py
index 84cc6e523c..a07c221dab 100644
--- a/payment-element/server/python/server.py
+++ b/payment-element/server/python/server.py
@@ -17,7 +17,7 @@
     version='0.0.2',
     url='https://github.com/stripe-samples')
 
-stripe.api_version = '2023-10-16'
+stripe.api_version = '2025-12-15.clover'
 # Don't put any keys in code. Use an environment variable (as shown
 # here) or secrets vault to supply keys to your integration.
 #
diff --git a/payment-element/server/ruby/server.rb b/payment-element/server/ruby/server.rb
index c24cea52ee..c65eb2c964 100644
--- a/payment-element/server/ruby/server.rb
+++ b/payment-element/server/ruby/server.rb
@@ -16,7 +16,7 @@
   version: '0.0.2',
   url: 'https://github.com/stripe-samples'
 )
-Stripe.api_version = '2020-08-27'
+Stripe.api_version = '2025-12-15.clover'
 # Don't put any keys in code. Use an environment variable (as shown
 # here) or secrets vault to supply keys to your integration.
 #
diff --git a/prebuilt-checkout-page/server/node/server.js b/prebuilt-checkout-page/server/node/server.js
index 345a567b16..292970b75b 100644
--- a/prebuilt-checkout-page/server/node/server.js
+++ b/prebuilt-checkout-page/server/node/server.js
@@ -13,7 +13,7 @@ checkEnv();
 // See https://docs.stripe.com/keys-best-practices and find your
 // keys at https://dashboard.stripe.com/apikeys.
 const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY, {
-  apiVersion: '2023-10-16',
+  apiVersion: '2025-12-15.clover',
   appInfo: { // For sample support and debugging, not required for production:
     name: "stripe-samples/accept-a-payment/prebuilt-checkout-page",
     version: "0.0.1",
diff --git a/prebuilt-checkout-page/server/python/server.py b/prebuilt-checkout-page/server/python/server.py
index 5f2da2c3bb..542ed030f3 100644
--- a/prebuilt-checkout-page/server/python/server.py
+++ b/prebuilt-checkout-page/server/python/server.py
@@ -34,7 +34,7 @@
 # See https://docs.stripe.com/keys-best-practices and find your
 # keys at https://dashboard.stripe.com/apikeys.
 stripe.api_key = os.getenv('STRIPE_SECRET_KEY')
-stripe.api_version = '2020-08-27'
+stripe.api_version = '2025-12-15.clover'
 
 static_dir = str(os.path.abspath(os.path.join(
     __file__, "..", os.getenv("STATIC_DIR"))))
diff --git a/prebuilt-checkout-page/server/ruby/server.rb b/prebuilt-checkout-page/server/ruby/server.rb
index 866ad038d6..0918ed7299 100644
--- a/prebuilt-checkout-page/server/ruby/server.rb
+++ b/prebuilt-checkout-page/server/ruby/server.rb
@@ -13,7 +13,7 @@
   version: '0.0.1',
   url: 'https://github.com/stripe-samples'
 )
-Stripe.api_version = '2020-08-27'
+Stripe.api_version = '2025-12-15.clover'
 # Don't put any keys in code. Use an environment variable (as shown
 # here) or secrets vault to supply keys to your integration.
 #
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 15abac2ff8..3e6f80f4e7 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -116,7 +116,7 @@
 # keys at https://dashboard.stripe.com/apikeys.
 Stripe.api_key = ENV['STRIPE_SECRET_KEY']
 Stripe.max_network_retries = 2
-Stripe.api_version = "2020-08-27"
+Stripe.api_version = "2025-12-15.clover"
 
 def server_url(path)
   url = URI(SERVER_URL)