diff --git a/official/docs/csharp/current/webhooks/create.cs b/official/docs/csharp/current/webhooks/create.cs
index 1c33659f..b5127421 100644
--- a/official/docs/csharp/current/webhooks/create.cs
+++ b/official/docs/csharp/current/webhooks/create.cs
@@ -16,7 +16,10 @@ public static async Task Main()
             {
                 Url = "example.com",
                 Secret = "ABC123",
-                CustomHeaders = new EasyPost.Models.API.WebhookCustomHeader { Name = "X-Header-Name", Value = "header_value" }
+                CustomHeaders = new List<EasyPost.Models.API.WebhookCustomHeader>
+                {
+                    new EasyPost.Models.API.WebhookCustomHeader { Name = "X-Header-Name", Value = "header_value" }
+                }
             };
 
             EasyPost.Models.API.Webhook webhook = await client.Webhook.Create(parameters);
diff --git a/official/docs/csharp/current/webhooks/update.cs b/official/docs/csharp/current/webhooks/update.cs
index 86a82aab..e1039977 100644
--- a/official/docs/csharp/current/webhooks/update.cs
+++ b/official/docs/csharp/current/webhooks/update.cs
@@ -15,7 +15,10 @@ public static async Task Main()
             EasyPost.Parameters.Webhook.Create parameters = new()
             {
                 Secret = "ABC123",
-                CustomHeaders = new EasyPost.Models.API.WebhookCustomHeader { Name = "X-Header-Name", Value = "header_value" }
+                CustomHeaders = new List<EasyPost.Models.API.WebhookCustomHeader>
+                {
+                    new EasyPost.Models.API.WebhookCustomHeader { Name = "X-Header-Name", Value = "header_value" }
+                }
             };
 
             EasyPost.Models.API.Webhook webhook = await client.Webhook.Update("hook_...", parameters);
diff --git a/official/docs/java/current/webhooks/create.java b/official/docs/java/current/webhooks/create.java
index 946c586c..74aff2f0 100644
--- a/official/docs/java/current/webhooks/create.java
+++ b/official/docs/java/current/webhooks/create.java
@@ -13,11 +13,12 @@ public static void main(String[] args) throws EasyPostException {
         HashMap<String, Object> params = new HashMap<String, Object>();
         params.put("url", "example.com");
         params.put("webhook_secret", "A1B2C3");
-        params.put("custom_headers", new HashMap<String, String>() {
-            {
-                put("X-Header-Name", "header_value");
-            }
-        });
+        ArrayList<HashMap<String, String>> customHeaders = new ArrayList<>();
+        HashMap<String, String> header = new HashMap<>();
+        header.put("name", "X-Header-Name");
+        header.put("value", "header_value");
+        customHeaders.add(header);
+        params.put("custom_headers", customHeaders);
 
         Webhook webhook = client.webhook.create(params);
 
diff --git a/official/docs/java/current/webhooks/update.java b/official/docs/java/current/webhooks/update.java
index 2f0e3e7f..0b2c9602 100644
--- a/official/docs/java/current/webhooks/update.java
+++ b/official/docs/java/current/webhooks/update.java
@@ -12,11 +12,12 @@ public static void main(String[] args) throws EasyPostException {
 
         HashMap<String, Object> params = new HashMap<String, Object>();
         params.put("webhook_secret", "A1B2C3");
-        params.put("custom_headers", new HashMap<String, String>() {
-            {
-                put("X-Header-Name", "header_value");
-            }
-        });
+        ArrayList<HashMap<String, String>> customHeaders = new ArrayList<>();
+        HashMap<String, String> header = new HashMap<>();
+        header.put("name", "X-Header-Name");
+        header.put("value", "header_value");
+        customHeaders.add(header);
+        params.put("custom_headers", customHeaders);
 
         Webhook webhook = client.webhook.update("hook_...", params);
 
diff --git a/official/docs/node/current/webhooks/create.js b/official/docs/node/current/webhooks/create.js
index 6a6badf8..b49c4306 100644
--- a/official/docs/node/current/webhooks/create.js
+++ b/official/docs/node/current/webhooks/create.js
@@ -6,9 +6,12 @@ const client = new EasyPostClient('EASYPOST_API_KEY');
   const webhook = await client.Webhook.create({
     url: 'example.com',
     webhook_secret: 'A1B2C3',
-    customer_headers: {
-      'X-Header-Name': 'header_value',
-    },
+    customer_headers: [
+      {
+        name: 'X-Header-Name',
+        value: 'header_value',
+      },
+    ],
   });
 
   console.log(webhook);
diff --git a/official/docs/node/current/webhooks/update.js b/official/docs/node/current/webhooks/update.js
index 95a0a276..e436667b 100644
--- a/official/docs/node/current/webhooks/update.js
+++ b/official/docs/node/current/webhooks/update.js
@@ -5,9 +5,12 @@ const client = new EasyPostClient('EASYPOST_API_KEY');
 (async () => {
   const webhook = await client.Webhook.update('hook_...', {
     webhook_secret: 'A1B2C3',
-    customer_headers: {
-      'X-Header-Name': 'header_value',
-    },
+    customer_headers: [
+      {
+        name: 'X-Header-Name',
+        value: 'header_value',
+      },
+    ],
   });
 
   console.log(webhook);
diff --git a/official/docs/php/current/webhooks/create.php b/official/docs/php/current/webhooks/create.php
index 7e435faf..96531e5e 100644
--- a/official/docs/php/current/webhooks/create.php
+++ b/official/docs/php/current/webhooks/create.php
@@ -6,7 +6,8 @@
     'url' => 'example.com',
     'webhook_secret' => 'A1B2C3',
     'custom_headers' => [
-        'X-Header-Name' => 'header_value',
+        ['name' => 'X-Header-Name'],
+        ['value' => 'header_value'],
     ],
 ]);
 
diff --git a/official/docs/php/current/webhooks/update.php b/official/docs/php/current/webhooks/update.php
index a75d05e0..abca5442 100644
--- a/official/docs/php/current/webhooks/update.php
+++ b/official/docs/php/current/webhooks/update.php
@@ -5,8 +5,9 @@
 $webhook = $client->webhook->update('hook_...', [
     'webhook_secret' => 'A1B2C3',
     'custom_headers' => [
-        'X-Header-Name' => 'header_value',
-    ]
+        ['name' => 'X-Header-Name'],
+        ['value' => 'header_value'],
+    ],
 ]);
 
 echo $webhook;
diff --git a/official/docs/python/current/billing/add-stripe-bank-account.py b/official/docs/python/current/billing/add-stripe-bank-account.py
index f8564e21..cb77fddd 100644
--- a/official/docs/python/current/billing/add-stripe-bank-account.py
+++ b/official/docs/python/current/billing/add-stripe-bank-account.py
@@ -3,7 +3,7 @@
 client = easypost.EasyPostClient("EASYPOST_API_KEY")
 
 payment_method = client.referral_customer.add_bank_account_from_stripe(
-    referral_api_key="REFERRAL_CUSTOMER_PROD_API_KEY",
+    referral_api_key="REFERRAL_USER_API_KEY",
     financial_connections_id="fca_...",
     mandate_data={
         "ip_address": "127.0.0.1",
diff --git a/official/docs/python/current/billing/add-stripe-credit-card.py b/official/docs/python/current/billing/add-stripe-credit-card.py
index 00160849..2575e554 100644
--- a/official/docs/python/current/billing/add-stripe-credit-card.py
+++ b/official/docs/python/current/billing/add-stripe-credit-card.py
@@ -3,8 +3,8 @@
 client = easypost.EasyPostClient("EASYPOST_API_KEY")
 
 payment_method = client.referral_customer.add_credit_card_from_stripe(
-    referral_api_key="REFERRAL_CUSTOMER_PROD_API_KEY",
-    financial_connections_id="seti_...",
+    referral_api_key="REFERRAL_USER_API_KEY",
+    payment_method_id="seti_...",
     priority="primary",
 )
 
diff --git a/official/docs/python/current/webhooks/create.py b/official/docs/python/current/webhooks/create.py
index 5447d646..7f98a4c4 100644
--- a/official/docs/python/current/webhooks/create.py
+++ b/official/docs/python/current/webhooks/create.py
@@ -5,9 +5,12 @@
 webhook = client.webhook.create(
     url="example.com",
     webhook_secret="A1B2C3",
-    custom_headers={
-        "X-Header-Name": "header_value",
-    },
+    custom_headers=[
+        {
+            "name": "X-Header-Name",
+            "value": "header_value",
+        }
+    ],
 )
 
 print(webhook)
diff --git a/official/docs/python/current/webhooks/update.py b/official/docs/python/current/webhooks/update.py
index d4ab5962..e0801715 100644
--- a/official/docs/python/current/webhooks/update.py
+++ b/official/docs/python/current/webhooks/update.py
@@ -5,9 +5,12 @@
 updated_webhook = client.webhook.update(
     "hook_...",
     webhook_secret="A1B2C3",
-    custom_headers={
-        "X-Header-Name": "header_value",
-    },
+    custom_headers=[
+        {
+            "name": "X-Header-Name",
+            "value": "header_value",
+        }
+    ],
 )
 
 print(updated_webhook)
diff --git a/official/docs/ruby/current/webhooks/create.rb b/official/docs/ruby/current/webhooks/create.rb
index e30059d8..09220041 100644
--- a/official/docs/ruby/current/webhooks/create.rb
+++ b/official/docs/ruby/current/webhooks/create.rb
@@ -5,9 +5,12 @@
 webhook = client.webhook.create(
   url: 'example.com',
   webhook_secret: 'A1B2C3',
-  custom_headers: {
-    'X-Header-Name' => 'header_value',
-  },
+  custom_headers: [
+    {
+      name: 'X-Header-Name',
+      value: 'header_value',
+    },
+  ],
 )
 
 puts webhook
diff --git a/official/docs/ruby/current/webhooks/update.rb b/official/docs/ruby/current/webhooks/update.rb
index ddf94d8a..03357036 100644
--- a/official/docs/ruby/current/webhooks/update.rb
+++ b/official/docs/ruby/current/webhooks/update.rb
@@ -5,9 +5,12 @@
 webhook = client.webhook.update(
   'hook_...', {
     webhook_secret: 'A1B2C3',
-    custom_headers: {
-      'X-Header-Name' => 'header_value',
-    },
+    custom_headers: [
+      {
+        name: 'X-Header-Name',
+        value: 'header_value',
+      },
+    ],
   },
 )