diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7954424..66385d5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+### v4.0.1 (2026-01-19)
+* * * 
+
+### New Parameters:
+* `applicable_item_price_ids` has been added to Coupon#CouponListRequest.
+* `applicable_item_price_ids` has been added to Export#CouponRequest.
+
+### New Enums: 
+* `Twikey` has been added to GatewayEnum.
+
+### Deleted Action: 
+* `move` action has been removed from the ItemPrice. 
+
+### New Features:
+* add util method for export and 'Time Machine' async handler.
+
 ### v4.0.0 (2026-01-13)
 * * *
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 30a861c6..a1c68d92 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,8 +7,8 @@ plugins {
 }
 
 group = "com.chargebee"
-version = "4.0.0"
-description = "Next-gen Java client library for ChargeBee API"
+version = "4.0.1"
+description = "Java client library for ChargeBee"
 
 // Project metadata
 val projectUrl = "https://github.com/chargebee/chargebee-java"
diff --git a/dist/chargebee-java-4.0.0-javadoc.jar b/dist/chargebee-java-4.0.1-javadoc.jar
similarity index 70%
rename from dist/chargebee-java-4.0.0-javadoc.jar
rename to dist/chargebee-java-4.0.1-javadoc.jar
index e237dac3..3ba04acc 100644
Binary files a/dist/chargebee-java-4.0.0-javadoc.jar and b/dist/chargebee-java-4.0.1-javadoc.jar differ
diff --git a/dist/chargebee-java-4.0.0-sources.jar b/dist/chargebee-java-4.0.1-sources.jar
similarity index 81%
rename from dist/chargebee-java-4.0.0-sources.jar
rename to dist/chargebee-java-4.0.1-sources.jar
index 6fa9d79b..891f5688 100644
Binary files a/dist/chargebee-java-4.0.0-sources.jar and b/dist/chargebee-java-4.0.1-sources.jar differ
diff --git a/dist/chargebee-java-4.0.0.jar b/dist/chargebee-java-4.0.1.jar
similarity index 59%
rename from dist/chargebee-java-4.0.0.jar
rename to dist/chargebee-java-4.0.1.jar
index 35dc9287..bd218b61 100644
Binary files a/dist/chargebee-java-4.0.0.jar and b/dist/chargebee-java-4.0.1.jar differ
diff --git a/src/main/java/com/chargebee/v4/models/card/Card.java b/src/main/java/com/chargebee/v4/models/card/Card.java
index 23645ea5..e0ad458b 100644
--- a/src/main/java/com/chargebee/v4/models/card/Card.java
+++ b/src/main/java/com/chargebee/v4/models/card/Card.java
@@ -296,6 +296,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/card/params/CardSwitchGatewayForCustomerParams.java b/src/main/java/com/chargebee/v4/models/card/params/CardSwitchGatewayForCustomerParams.java
index 66ffffe6..80b3846e 100644
--- a/src/main/java/com/chargebee/v4/models/card/params/CardSwitchGatewayForCustomerParams.java
+++ b/src/main/java/com/chargebee/v4/models/card/params/CardSwitchGatewayForCustomerParams.java
@@ -180,6 +180,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/card/params/UpdateCardForCustomerParams.java b/src/main/java/com/chargebee/v4/models/card/params/UpdateCardForCustomerParams.java
index 9f2e076f..16bba69f 100644
--- a/src/main/java/com/chargebee/v4/models/card/params/UpdateCardForCustomerParams.java
+++ b/src/main/java/com/chargebee/v4/models/card/params/UpdateCardForCustomerParams.java
@@ -537,6 +537,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/coupon/params/CouponListParams.java b/src/main/java/com/chargebee/v4/models/coupon/params/CouponListParams.java
index 7dbc9828..502d4ff9 100644
--- a/src/main/java/com/chargebee/v4/models/coupon/params/CouponListParams.java
+++ b/src/main/java/com/chargebee/v4/models/coupon/params/CouponListParams.java
@@ -95,6 +95,10 @@ public CurrencyCodeFilter currencyCode() {
       return new CurrencyCodeFilter("currency_code", this, queryParams);
     }
 
+    public ApplicableItemPriceIdsFilter applicableItemPriceIds() {
+      return new ApplicableItemPriceIdsFilter("applicable_item_price_ids", this, queryParams);
+    }
+
     public CouponListParams build() {
       return new CouponListParams(this);
     }
@@ -153,6 +157,13 @@ public static final class CurrencyCodeFilter extends StringFilter<CouponListBuil
       }
     }
 
+    public static final class ApplicableItemPriceIdsFilter extends StringFilter<CouponListBuilder> {
+      ApplicableItemPriceIdsFilter(
+          String fieldName, CouponListBuilder builder, Map<String, Object> params) {
+        super(fieldName, builder, params);
+      }
+    }
+
     public static final class SortBySortBuilder {
       private final String fieldName;
       private final CouponListBuilder builder;
diff --git a/src/main/java/com/chargebee/v4/models/customer/Customer.java b/src/main/java/com/chargebee/v4/models/customer/Customer.java
index 72fa6ed9..067670ca 100644
--- a/src/main/java/com/chargebee/v4/models/customer/Customer.java
+++ b/src/main/java/com/chargebee/v4/models/customer/Customer.java
@@ -2284,6 +2284,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       NOT_APPLICABLE("not_applicable"),
 
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/customer/params/CustomerCreateParams.java b/src/main/java/com/chargebee/v4/models/customer/params/CustomerCreateParams.java
index 49b7f90e..f0810a78 100644
--- a/src/main/java/com/chargebee/v4/models/customer/params/CustomerCreateParams.java
+++ b/src/main/java/com/chargebee/v4/models/customer/params/CustomerCreateParams.java
@@ -1812,6 +1812,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2689,6 +2691,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/customer/params/CustomerUpdatePaymentMethodParams.java b/src/main/java/com/chargebee/v4/models/customer/params/CustomerUpdatePaymentMethodParams.java
index 395abe22..b63cf7c3 100644
--- a/src/main/java/com/chargebee/v4/models/customer/params/CustomerUpdatePaymentMethodParams.java
+++ b/src/main/java/com/chargebee/v4/models/customer/params/CustomerUpdatePaymentMethodParams.java
@@ -494,6 +494,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportAddonsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportAddonsParams.java
index 91144727..d62b28cc 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportAddonsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportAddonsParams.java
@@ -45,7 +45,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.addon.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "addon[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "addon[" + key.replace("[", "][") : "addon[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportAttachedItemsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportAttachedItemsParams.java
index 1497c43d..90e740ed 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportAttachedItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportAttachedItemsParams.java
@@ -44,7 +44,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.attachedItem.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "attached_item[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "attached_item[" + key.replace("[", "][")
+                : "attached_item[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportCouponsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportCouponsParams.java
index 22657698..9e43a757 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportCouponsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportCouponsParams.java
@@ -44,7 +44,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.coupon.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "coupon[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "coupon[" + key.replace("[", "][") : "coupon[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -73,6 +75,10 @@ public CurrencyCodeFilter currencyCode() {
       return new CurrencyCodeFilter("currency_code", this, filterParams);
     }
 
+    public ApplicableItemPriceIdsFilter applicableItemPriceIds() {
+      return new ApplicableItemPriceIdsFilter("applicable_item_price_ids", this, filterParams);
+    }
+
     public ExportCouponsBuilder coupon(CouponParams value) {
       this.coupon = value;
       return this;
@@ -88,6 +94,14 @@ public static final class CurrencyCodeFilter extends StringFilter<ExportCouponsB
         super(fieldName, builder, params);
       }
     }
+
+    public static final class ApplicableItemPriceIdsFilter
+        extends StringFilter<ExportCouponsBuilder> {
+      ApplicableItemPriceIdsFilter(
+          String fieldName, ExportCouponsBuilder builder, Map<String, Object> params) {
+        super(fieldName, builder, params);
+      }
+    }
   }
 
   public static final class CouponParams {
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportCreditNotesParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportCreditNotesParams.java
index 80bcf518..723a71a9 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportCreditNotesParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportCreditNotesParams.java
@@ -38,7 +38,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.creditNote.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "credit_note[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "credit_note[" + key.replace("[", "][")
+                : "credit_note[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportCustomersParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportCustomersParams.java
index 1a581302..fbf02444 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportCustomersParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportCustomersParams.java
@@ -65,7 +65,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.customer.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "customer[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "customer[" + key.replace("[", "][") : "customer[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -75,7 +77,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.relationship.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "relationship[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "relationship[" + key.replace("[", "][")
+                : "relationship[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportDeferredRevenueParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportDeferredRevenueParams.java
index f564ddaf..2e2d1dc9 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportDeferredRevenueParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportDeferredRevenueParams.java
@@ -160,7 +160,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.invoice.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "invoice[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "invoice[" + key.replace("[", "][") : "invoice[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -170,7 +172,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.subscription.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "subscription[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "subscription[" + key.replace("[", "][")
+                : "subscription[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -180,7 +186,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.customer.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "customer[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "customer[" + key.replace("[", "][") : "customer[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -190,7 +198,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.relationship.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "relationship[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "relationship[" + key.replace("[", "][")
+                : "relationship[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportDifferentialPricesParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportDifferentialPricesParams.java
index fc3dce26..bb1865b9 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportDifferentialPricesParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportDifferentialPricesParams.java
@@ -42,7 +42,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.differentialPrice.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "differential_price[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "differential_price[" + key.replace("[", "][")
+                : "differential_price[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportInvoicesParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportInvoicesParams.java
index 91bfb838..c679c0ac 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportInvoicesParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportInvoicesParams.java
@@ -45,7 +45,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.invoice.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "invoice[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "invoice[" + key.replace("[", "][") : "invoice[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportItemFamiliesParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportItemFamiliesParams.java
index 146d508b..5bd2bc75 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportItemFamiliesParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportItemFamiliesParams.java
@@ -44,7 +44,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.itemFamily.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "item_family[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "item_family[" + key.replace("[", "][")
+                : "item_family[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportItemPricesParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportItemPricesParams.java
index d8f342e4..48ec15b1 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportItemPricesParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportItemPricesParams.java
@@ -45,7 +45,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.itemPrice.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "item_price[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "item_price[" + key.replace("[", "][") : "item_price[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportItemsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportItemsParams.java
index d9e47e5e..2ffdaee0 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportItemsParams.java
@@ -44,7 +44,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.item.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "item[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "item[" + key.replace("[", "][") : "item[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportOrdersParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportOrdersParams.java
index 3add1983..4a22aabc 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportOrdersParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportOrdersParams.java
@@ -45,7 +45,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.order.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "order[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "order[" + key.replace("[", "][") : "order[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportPlansParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportPlansParams.java
index 637e8365..84aeeec6 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportPlansParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportPlansParams.java
@@ -45,7 +45,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.plan.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "plan[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "plan[" + key.replace("[", "][") : "plan[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportPriceVariantsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportPriceVariantsParams.java
index 26e36f4a..b99f7008 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportPriceVariantsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportPriceVariantsParams.java
@@ -44,7 +44,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.priceVariant.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "price_variant[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "price_variant[" + key.replace("[", "][")
+                : "price_variant[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportRevenueRecognitionParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportRevenueRecognitionParams.java
index e7e8ae5e..a6f143d3 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportRevenueRecognitionParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportRevenueRecognitionParams.java
@@ -160,7 +160,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.invoice.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "invoice[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "invoice[" + key.replace("[", "][") : "invoice[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -170,7 +172,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.subscription.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "subscription[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "subscription[" + key.replace("[", "][")
+                : "subscription[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -180,7 +186,9 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.customer.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "customer[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[") ? "customer[" + key.replace("[", "][") : "customer[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -190,7 +198,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.relationship.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "relationship[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "relationship[" + key.replace("[", "][")
+                : "relationship[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportSubscriptionsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportSubscriptionsParams.java
index 8f392981..fba695df 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportSubscriptionsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportSubscriptionsParams.java
@@ -58,7 +58,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.subscription.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "subscription[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "subscription[" + key.replace("[", "][")
+                : "subscription[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
diff --git a/src/main/java/com/chargebee/v4/models/export/params/ExportTransactionsParams.java b/src/main/java/com/chargebee/v4/models/export/params/ExportTransactionsParams.java
index 14c8f823..1d92215a 100644
--- a/src/main/java/com/chargebee/v4/models/export/params/ExportTransactionsParams.java
+++ b/src/main/java/com/chargebee/v4/models/export/params/ExportTransactionsParams.java
@@ -38,7 +38,11 @@ public Map<String, Object> toFormData() {
       // Single object
       Map<String, Object> nestedData = this.transaction.toFormData();
       for (Map.Entry<String, Object> entry : nestedData.entrySet()) {
-        String nestedKey = "transaction[" + entry.getKey() + "]";
+        String key = entry.getKey();
+        String nestedKey =
+            key.contains("[")
+                ? "transaction[" + key.replace("[", "][")
+                : "transaction[" + key + "]";
         formData.put(nestedKey, entry.getValue());
       }
     }
@@ -482,6 +486,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       NOT_APPLICABLE("not_applicable"),
 
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingForItemsParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingForItemsParams.java
index f50e845c..b23db35c 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingForItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingForItemsParams.java
@@ -1330,6 +1330,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingParams.java
index d6f31cb7..09a7b434 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutExistingParams.java
@@ -1207,6 +1207,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewForItemsParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewForItemsParams.java
index 3d79ba6c..9250eee1 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewForItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewForItemsParams.java
@@ -1445,6 +1445,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewParams.java
index 2f7ddff3..7ed14a0b 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutNewParams.java
@@ -1365,6 +1365,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeForItemsParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeForItemsParams.java
index 69c6cff9..fe08f184 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeForItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeForItemsParams.java
@@ -1139,6 +1139,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeParams.java
index 005b5782..a8493b2e 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCheckoutOneTimeParams.java
@@ -909,6 +909,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCollectNowParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCollectNowParams.java
index 376e45f8..e4fed04e 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCollectNowParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageCollectNowParams.java
@@ -355,6 +355,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageManagePaymentSourcesParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageManagePaymentSourcesParams.java
index e09c4c96..fee48962 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageManagePaymentSourcesParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageManagePaymentSourcesParams.java
@@ -335,6 +335,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdateCardParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdateCardParams.java
index 9fb81ae5..2212029d 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdateCardParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdateCardParams.java
@@ -457,6 +457,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdatePaymentMethodParams.java b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdatePaymentMethodParams.java
index 67d692e2..5f29375b 100644
--- a/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdatePaymentMethodParams.java
+++ b/src/main/java/com/chargebee/v4/models/hostedPage/params/HostedPageUpdatePaymentMethodParams.java
@@ -457,6 +457,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateForChargeItemsAndChargesParams.java b/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateForChargeItemsAndChargesParams.java
index 29dfbde4..13d576a8 100644
--- a/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateForChargeItemsAndChargesParams.java
+++ b/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateForChargeItemsAndChargesParams.java
@@ -1716,6 +1716,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2593,6 +2595,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateParams.java b/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateParams.java
index 13cdc543..e180351f 100644
--- a/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateParams.java
+++ b/src/main/java/com/chargebee/v4/models/invoice/params/InvoiceCreateParams.java
@@ -1597,6 +1597,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2474,6 +2476,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/paymentSource/PaymentSource.java b/src/main/java/com/chargebee/v4/models/paymentSource/PaymentSource.java
index a69fc41f..53062ad3 100644
--- a/src/main/java/com/chargebee/v4/models/paymentSource/PaymentSource.java
+++ b/src/main/java/com/chargebee/v4/models/paymentSource/PaymentSource.java
@@ -365,6 +365,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/paymentVoucher/PaymentVoucher.java b/src/main/java/com/chargebee/v4/models/paymentVoucher/PaymentVoucher.java
index 63713118..c1a6ac93 100644
--- a/src/main/java/com/chargebee/v4/models/paymentVoucher/PaymentVoucher.java
+++ b/src/main/java/com/chargebee/v4/models/paymentVoucher/PaymentVoucher.java
@@ -285,6 +285,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/salesOrder/SalesOrder.java b/src/main/java/com/chargebee/v4/models/salesOrder/SalesOrder.java
index 31a5897f..2c5a26be 100644
--- a/src/main/java/com/chargebee/v4/models/salesOrder/SalesOrder.java
+++ b/src/main/java/com/chargebee/v4/models/salesOrder/SalesOrder.java
@@ -2001,6 +2001,7 @@ public static class CreditLines {
 
     private String amount;
     private String unitPrice;
+    private String quantity;
     private String lineItemAssociationId;
 
     public String getAmount() {
@@ -2011,6 +2012,10 @@ public String getUnitPrice() {
       return unitPrice;
     }
 
+    public String getQuantity() {
+      return quantity;
+    }
+
     public String getLineItemAssociationId() {
       return lineItemAssociationId;
     }
@@ -2022,6 +2027,8 @@ public static CreditLines fromJson(String json) {
 
       obj.unitPrice = JsonUtil.getString(json, "unit_price");
 
+      obj.quantity = JsonUtil.getString(json, "quantity");
+
       obj.lineItemAssociationId = JsonUtil.getString(json, "line_item_association_id");
 
       return obj;
@@ -2034,6 +2041,8 @@ public String toString() {
           + amount
           + ", unitPrice="
           + unitPrice
+          + ", quantity="
+          + quantity
           + ", lineItemAssociationId="
           + lineItemAssociationId
           + "}";
@@ -2047,13 +2056,14 @@ public boolean equals(Object o) {
       CreditLines that = (CreditLines) o;
       return java.util.Objects.equals(amount, that.amount)
           && java.util.Objects.equals(unitPrice, that.unitPrice)
+          && java.util.Objects.equals(quantity, that.quantity)
           && java.util.Objects.equals(lineItemAssociationId, that.lineItemAssociationId);
     }
 
     @Override
     public int hashCode() {
 
-      return java.util.Objects.hash(amount, unitPrice, lineItemAssociationId);
+      return java.util.Objects.hash(amount, unitPrice, quantity, lineItemAssociationId);
     }
   }
 }
diff --git a/src/main/java/com/chargebee/v4/models/subscription/params/ImportSubscriptionParams.java b/src/main/java/com/chargebee/v4/models/subscription/params/ImportSubscriptionParams.java
index d55fc074..2f8fb71f 100644
--- a/src/main/java/com/chargebee/v4/models/subscription/params/ImportSubscriptionParams.java
+++ b/src/main/java/com/chargebee/v4/models/subscription/params/ImportSubscriptionParams.java
@@ -2288,6 +2288,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2685,6 +2687,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionCreateParams.java b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionCreateParams.java
index 1caaf068..84ca8fbb 100644
--- a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionCreateParams.java
+++ b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionCreateParams.java
@@ -2628,6 +2628,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -3505,6 +3507,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateForItemsParams.java b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateForItemsParams.java
index 7383c7c8..88725392 100644
--- a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateForItemsParams.java
+++ b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateForItemsParams.java
@@ -1916,6 +1916,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2333,6 +2335,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateParams.java b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateParams.java
index a90548e4..16b6787d 100644
--- a/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateParams.java
+++ b/src/main/java/com/chargebee/v4/models/subscription/params/SubscriptionUpdateParams.java
@@ -1831,6 +1831,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
@@ -2248,6 +2250,8 @@ public enum Gateway {
 
       EZIDEBIT("ezidebit"),
 
+      TWIKEY("twikey"),
+
       /** An enum member indicating that Gateway was instantiated with an unknown value. */
       _UNKNOWN(null);
       private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/ThirdPartyEntityMapping.java b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/ThirdPartyEntityMapping.java
index eb0c94ba..008658f9 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/ThirdPartyEntityMapping.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/ThirdPartyEntityMapping.java
@@ -124,6 +124,8 @@ public enum EntityType {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityType was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
@@ -228,6 +230,8 @@ public enum FailedDependentEntityType {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /**
      * An enum member indicating that FailedDependentEntityType was instantiated with an unknown
      * value.
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListAllParams.java b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListAllParams.java
index 8f60b481..0ea4c2ca 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListAllParams.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListAllParams.java
@@ -180,6 +180,8 @@ public enum EntityTypeIs {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityTypeIs was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
@@ -234,6 +236,8 @@ public enum EntityTypeIsNot {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityTypeIsNot was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListParams.java b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListParams.java
index f205ab90..912c8318 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListParams.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingListParams.java
@@ -138,6 +138,8 @@ public enum EntityTypeIs {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityTypeIs was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
@@ -192,6 +194,8 @@ public enum EntityTypeIsNot {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityTypeIsNot was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingRetrieveEntityParams.java b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingRetrieveEntityParams.java
index 520a528b..c7ab85a4 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingRetrieveEntityParams.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingRetrieveEntityParams.java
@@ -107,6 +107,8 @@ public enum EntityType {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityType was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingUpdateEntityParams.java b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingUpdateEntityParams.java
index 1a7b51e4..1d03a257 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingUpdateEntityParams.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyEntityMapping/params/ThirdPartyEntityMappingUpdateEntityParams.java
@@ -294,6 +294,8 @@ public enum EntityType {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /** An enum member indicating that EntityType was instantiated with an unknown value. */
     _UNKNOWN(null);
     private final String value;
@@ -398,6 +400,8 @@ public enum FailedDependentEntityType {
 
     TAX_GROUP("tax_group"),
 
+    SALES_ORDER("sales_order"),
+
     /**
      * An enum member indicating that FailedDependentEntityType was instantiated with an unknown
      * value.
diff --git a/src/main/java/com/chargebee/v4/models/thirdPartyPaymentMethod/ThirdPartyPaymentMethod.java b/src/main/java/com/chargebee/v4/models/thirdPartyPaymentMethod/ThirdPartyPaymentMethod.java
index 92804730..c4a5455b 100644
--- a/src/main/java/com/chargebee/v4/models/thirdPartyPaymentMethod/ThirdPartyPaymentMethod.java
+++ b/src/main/java/com/chargebee/v4/models/thirdPartyPaymentMethod/ThirdPartyPaymentMethod.java
@@ -229,6 +229,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/token/Token.java b/src/main/java/com/chargebee/v4/models/token/Token.java
index ea0f8115..457d826e 100644
--- a/src/main/java/com/chargebee/v4/models/token/Token.java
+++ b/src/main/java/com/chargebee/v4/models/token/Token.java
@@ -186,6 +186,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/transaction/Transaction.java b/src/main/java/com/chargebee/v4/models/transaction/Transaction.java
index 7ed6cac2..88576ce4 100644
--- a/src/main/java/com/chargebee/v4/models/transaction/Transaction.java
+++ b/src/main/java/com/chargebee/v4/models/transaction/Transaction.java
@@ -462,6 +462,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/transaction/params/TransactionListParams.java b/src/main/java/com/chargebee/v4/models/transaction/params/TransactionListParams.java
index 5932acae..a3c2de1f 100644
--- a/src/main/java/com/chargebee/v4/models/transaction/params/TransactionListParams.java
+++ b/src/main/java/com/chargebee/v4/models/transaction/params/TransactionListParams.java
@@ -682,6 +682,8 @@ public enum GatewayIs {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that GatewayIs was instantiated with an unknown value. */
@@ -820,6 +822,8 @@ public enum GatewayIsNot {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that GatewayIsNot was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/models/virtualBankAccount/VirtualBankAccount.java b/src/main/java/com/chargebee/v4/models/virtualBankAccount/VirtualBankAccount.java
index d3cbc0f6..bfdd8388 100644
--- a/src/main/java/com/chargebee/v4/models/virtualBankAccount/VirtualBankAccount.java
+++ b/src/main/java/com/chargebee/v4/models/virtualBankAccount/VirtualBankAccount.java
@@ -239,6 +239,8 @@ public enum Gateway {
 
     EZIDEBIT("ezidebit"),
 
+    TWIKEY("twikey"),
+
     NOT_APPLICABLE("not_applicable"),
 
     /** An enum member indicating that Gateway was instantiated with an unknown value. */
diff --git a/src/main/java/com/chargebee/v4/services/ExportService.java b/src/main/java/com/chargebee/v4/services/ExportService.java
index 0d981839..6cd8f2f6 100644
--- a/src/main/java/com/chargebee/v4/services/ExportService.java
+++ b/src/main/java/com/chargebee/v4/services/ExportService.java
@@ -471,4 +471,34 @@ public ExportPlansResponse plans(ExportPlansParams params) throws ChargebeeExcep
 
     return ExportPlansResponse.fromJson(response.getBodyAsString(), response);
   }
+
+  // === Export Utility Methods ===
+
+  /**
+   * Waits for an export operation to complete by polling its status. Polls every 10 seconds
+   * (configurable via cb.java.export.sleep.millis system property).
+   *
+   * @param export The export to wait for (must have a valid ID)
+   * @return The completed Export object with COMPLETED or FAILED status
+   * @throws ChargebeeException if API call fails during polling
+   * @throws RuntimeException if export takes too long (over 50 polling attempts)
+   * @throws InterruptedException if thread is interrupted while waiting
+   */
+  public com.chargebee.v4.models.export.Export waitForExportCompletion(
+      com.chargebee.v4.models.export.Export export)
+      throws ChargebeeException, InterruptedException {
+    int count = 0;
+    int sleepTime = Integer.getInteger("cb.java.export.sleep.millis", 10000);
+    com.chargebee.v4.models.export.Export currentExport = export;
+
+    while (currentExport.getStatus() == com.chargebee.v4.models.export.Export.Status.IN_PROCESS) {
+      if (count++ > 50) {
+        throw new RuntimeException("Export is taking too long");
+      }
+      Thread.sleep(sleepTime);
+      ExportRetrieveResponse response = retrieve(currentExport.getId());
+      currentExport = response.getExport();
+    }
+    return currentExport;
+  }
 }
diff --git a/src/main/java/com/chargebee/v4/services/ItemPriceService.java b/src/main/java/com/chargebee/v4/services/ItemPriceService.java
index 021f2fe9..5940deb8 100644
--- a/src/main/java/com/chargebee/v4/services/ItemPriceService.java
+++ b/src/main/java/com/chargebee/v4/services/ItemPriceService.java
@@ -12,22 +12,16 @@
 import com.chargebee.v4.exceptions.ChargebeeException;
 import com.chargebee.v4.transport.Response;
 
-import com.chargebee.v4.models.itemPrice.params.ItemPriceFindApplicableItemsParams;
-
-import com.chargebee.v4.models.itemPrice.params.MoveItemPriceParams;
-
 import com.chargebee.v4.models.itemPrice.params.ItemPriceUpdateParams;
 
 import com.chargebee.v4.models.itemPrice.params.FindApplicableItemPricesParams;
 
+import com.chargebee.v4.models.itemPrice.params.ItemPriceFindApplicableItemsParams;
+
 import com.chargebee.v4.models.itemPrice.params.ItemPriceListParams;
 
 import com.chargebee.v4.models.itemPrice.params.ItemPriceCreateParams;
 
-import com.chargebee.v4.models.itemPrice.responses.ItemPriceFindApplicableItemsResponse;
-
-import com.chargebee.v4.models.itemPrice.responses.MoveItemPriceResponse;
-
 import com.chargebee.v4.models.itemPrice.responses.ItemPriceRetrieveResponse;
 
 import com.chargebee.v4.models.itemPrice.responses.ItemPriceUpdateResponse;
@@ -36,6 +30,8 @@
 
 import com.chargebee.v4.models.itemPrice.responses.FindApplicableItemPricesResponse;
 
+import com.chargebee.v4.models.itemPrice.responses.ItemPriceFindApplicableItemsResponse;
+
 import com.chargebee.v4.models.itemPrice.responses.ItemPriceListResponse;
 
 import com.chargebee.v4.models.itemPrice.responses.ItemPriceCreateResponse;
@@ -74,87 +70,6 @@ public ItemPriceService withOptions(RequestOptions options) {
 
   // === Operations ===
 
-  /**
-   * findApplicableItems a itemPrice using immutable params (executes immediately) - returns raw
-   * Response.
-   */
-  Response findApplicableItemsRaw(String itemPriceId, ItemPriceFindApplicableItemsParams params)
-      throws ChargebeeException {
-    String path =
-        buildPathWithParams(
-            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
-    return get(path, params != null ? params.toQueryParams() : null);
-  }
-
-  /**
-   * findApplicableItems a itemPrice without params (executes immediately) - returns raw Response.
-   */
-  Response findApplicableItemsRaw(String itemPriceId) throws ChargebeeException {
-    String path =
-        buildPathWithParams(
-            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
-    return get(path, null);
-  }
-
-  /**
-   * findApplicableItems a itemPrice using raw JSON payload (executes immediately) - returns raw
-   * Response.
-   */
-  Response findApplicableItemsRaw(String itemPriceId, String jsonPayload)
-      throws ChargebeeException {
-    String path =
-        buildPathWithParams(
-            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
-    throw new UnsupportedOperationException("JSON payload not supported for GET operations");
-  }
-
-  public ItemPriceFindApplicableItemsResponse findApplicableItems(
-      String itemPriceId, ItemPriceFindApplicableItemsParams params) throws ChargebeeException {
-    Response response = findApplicableItemsRaw(itemPriceId, params);
-    return ItemPriceFindApplicableItemsResponse.fromJson(
-        response.getBodyAsString(), this, params, itemPriceId, response);
-  }
-
-  public ItemPriceFindApplicableItemsResponse findApplicableItems(String itemPriceId)
-      throws ChargebeeException {
-    Response response = findApplicableItemsRaw(itemPriceId);
-    return ItemPriceFindApplicableItemsResponse.fromJson(
-        response.getBodyAsString(), this, null, itemPriceId, response);
-  }
-
-  /** moveItemPrice a itemPrice (executes immediately) - returns raw Response. */
-  Response moveItemPriceRaw(String itemPriceId) throws ChargebeeException {
-    String path =
-        buildPathWithParams("/item_prices/{item-price-id}/move", "item-price-id", itemPriceId);
-
-    return post(path, null);
-  }
-
-  /**
-   * moveItemPrice a itemPrice using immutable params (executes immediately) - returns raw Response.
-   */
-  Response moveItemPriceRaw(String itemPriceId, MoveItemPriceParams params)
-      throws ChargebeeException {
-    String path =
-        buildPathWithParams("/item_prices/{item-price-id}/move", "item-price-id", itemPriceId);
-    return post(path, params.toFormData());
-  }
-
-  /**
-   * moveItemPrice a itemPrice using raw JSON payload (executes immediately) - returns raw Response.
-   */
-  Response moveItemPriceRaw(String itemPriceId, String jsonPayload) throws ChargebeeException {
-    String path =
-        buildPathWithParams("/item_prices/{item-price-id}/move", "item-price-id", itemPriceId);
-    return postJson(path, jsonPayload);
-  }
-
-  public MoveItemPriceResponse moveItemPrice(String itemPriceId, MoveItemPriceParams params)
-      throws ChargebeeException {
-    Response response = moveItemPriceRaw(itemPriceId, params);
-    return MoveItemPriceResponse.fromJson(response.getBodyAsString(), response);
-  }
-
   /** retrieve a itemPrice (executes immediately) - returns raw Response. */
   Response retrieveRaw(String itemPriceId) throws ChargebeeException {
     String path = buildPathWithParams("/item_prices/{item-price-id}", "item-price-id", itemPriceId);
@@ -259,6 +174,54 @@ public FindApplicableItemPricesResponse findApplicableItemPrices(String itemPric
         response.getBodyAsString(), this, null, itemPriceId, response);
   }
 
+  /**
+   * findApplicableItems a itemPrice using immutable params (executes immediately) - returns raw
+   * Response.
+   */
+  Response findApplicableItemsRaw(String itemPriceId, ItemPriceFindApplicableItemsParams params)
+      throws ChargebeeException {
+    String path =
+        buildPathWithParams(
+            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
+    return get(path, params != null ? params.toQueryParams() : null);
+  }
+
+  /**
+   * findApplicableItems a itemPrice without params (executes immediately) - returns raw Response.
+   */
+  Response findApplicableItemsRaw(String itemPriceId) throws ChargebeeException {
+    String path =
+        buildPathWithParams(
+            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
+    return get(path, null);
+  }
+
+  /**
+   * findApplicableItems a itemPrice using raw JSON payload (executes immediately) - returns raw
+   * Response.
+   */
+  Response findApplicableItemsRaw(String itemPriceId, String jsonPayload)
+      throws ChargebeeException {
+    String path =
+        buildPathWithParams(
+            "/item_prices/{item-price-id}/applicable_items", "item-price-id", itemPriceId);
+    throw new UnsupportedOperationException("JSON payload not supported for GET operations");
+  }
+
+  public ItemPriceFindApplicableItemsResponse findApplicableItems(
+      String itemPriceId, ItemPriceFindApplicableItemsParams params) throws ChargebeeException {
+    Response response = findApplicableItemsRaw(itemPriceId, params);
+    return ItemPriceFindApplicableItemsResponse.fromJson(
+        response.getBodyAsString(), this, params, itemPriceId, response);
+  }
+
+  public ItemPriceFindApplicableItemsResponse findApplicableItems(String itemPriceId)
+      throws ChargebeeException {
+    Response response = findApplicableItemsRaw(itemPriceId);
+    return ItemPriceFindApplicableItemsResponse.fromJson(
+        response.getBodyAsString(), this, null, itemPriceId, response);
+  }
+
   /** list a itemPrice using immutable params (executes immediately) - returns raw Response. */
   Response listRaw(ItemPriceListParams params) throws ChargebeeException {
 
diff --git a/src/main/java/com/chargebee/v4/services/TimeMachineService.java b/src/main/java/com/chargebee/v4/services/TimeMachineService.java
index 2e04acc5..9c05e302 100644
--- a/src/main/java/com/chargebee/v4/services/TimeMachineService.java
+++ b/src/main/java/com/chargebee/v4/services/TimeMachineService.java
@@ -22,6 +22,12 @@
 
 import com.chargebee.v4.models.timeMachine.responses.TimeMachineStartAfreshResponse;
 
+import com.chargebee.v4.models.timeMachine.TimeMachine;
+import com.chargebee.v4.models.timeMachine.TimeMachine.TimeTravelStatus;
+import com.chargebee.v4.exceptions.OperationFailedException;
+import com.chargebee.v4.exceptions.codes.BadRequestApiErrorCode;
+import com.chargebee.v4.internal.JsonUtil;
+
 public final class TimeMachineService extends BaseService<TimeMachineService> {
 
   private final ServiceConfig config;
@@ -167,4 +173,70 @@ public TimeMachineStartAfreshResponse startAfresh(String timeMachineName)
     Response response = startAfreshRaw(timeMachineName);
     return TimeMachineStartAfreshResponse.fromJson(response.getBodyAsString(), response);
   }
+
+  // === Time Travel Completion Helper ===
+
+  /**
+   * Waits for time travel operation to complete. Polls the API until the status changes from
+   * IN_PROGRESS.
+   *
+   * @param timeMachine The TimeMachine instance to wait for
+   * @return The updated TimeMachine with final status
+   * @throws ChargebeeException if the API call fails
+   * @throws InterruptedException if the thread is interrupted while waiting
+   * @throws RuntimeException if time travel takes too long or ends in invalid state
+   * @throws OperationFailedException if time travel fails
+   */
+  public TimeMachine waitForTimeTravelCompletion(TimeMachine timeMachine)
+      throws ChargebeeException, InterruptedException {
+    return waitForTimeTravelCompletion(timeMachine.getName());
+  }
+
+  /**
+   * Waits for time travel operation to complete. Polls the API until the status changes from
+   * IN_PROGRESS.
+   *
+   * @param timeMachineName The name of the TimeMachine to wait for
+   * @return The updated TimeMachine with final status
+   * @throws ChargebeeException if the API call fails
+   * @throws InterruptedException if the thread is interrupted while waiting
+   * @throws RuntimeException if time travel takes too long or ends in invalid state
+   * @throws OperationFailedException if time travel fails
+   */
+  public TimeMachine waitForTimeTravelCompletion(String timeMachineName)
+      throws ChargebeeException, InterruptedException {
+    int count = 0;
+    int sleepTime = Integer.getInteger("cb.java.time_travel.sleep.millis", 3000);
+    TimeMachine timeMachine = retrieve(timeMachineName).getTimeMachine();
+
+    while (timeMachine.getTimeTravelStatus() == TimeTravelStatus.IN_PROGRESS) {
+      if (count++ > 30) {
+        throw new RuntimeException("The time travel is taking too much time");
+      }
+      Thread.sleep(sleepTime);
+      timeMachine = retrieve(timeMachineName).getTimeMachine();
+    }
+
+    if (timeMachine.getTimeTravelStatus() == TimeTravelStatus.FAILED) {
+      String errorJson = timeMachine.getErrorJson();
+      int httpStatusCode = JsonUtil.getInteger(errorJson, "http_code");
+      String exceptionMessage = JsonUtil.getString(errorJson, "message");
+      throw new OperationFailedException(
+          httpStatusCode,
+          "operation_failed",
+          BadRequestApiErrorCode._UNKNOWN,
+          exceptionMessage,
+          errorJson,
+          null,
+          null);
+    }
+
+    if (timeMachine.getTimeTravelStatus() == TimeTravelStatus.NOT_ENABLED
+        || timeMachine.getTimeTravelStatus() == TimeTravelStatus._UNKNOWN) {
+      throw new RuntimeException(
+          "Time travel status is in wrong state: " + timeMachine.getTimeTravelStatus());
+    }
+
+    return timeMachine;
+  }
 }