diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billing.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billing.json
index 149d236c7c6b..26f545f2e6f1 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billing.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billing.json
@@ -1,7 +1,7 @@
 {
   "swagger": "2.0",
   "info": {
-    "version": "2020-05-01",
+    "version": "2023-04-01",
     "title": "BillingManagementClient",
     "description": "Billing client provides access to billing resources for Azure subscriptions."
   },
@@ -6671,7 +6671,7 @@
       "in": "query",
       "required": true,
       "type": "string",
-      "description": "The version of the API to be used with the client request. The current version is 2020-05-01."
+      "description": "The version of the API to be used with the client request. The current version is 2023-04-01."
     },
     "subscriptionIdParameter": {
       "name": "subscriptionId",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billingOperations.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billingOperations.json
index 50b1c9203687..9b39affdb765 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billingOperations.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/billingOperations.json
@@ -1,7 +1,7 @@
 {
   "swagger": "2.0",
   "info": {
-    "version": "2020-05-01",
+    "version": "2023-04-01",
     "title": "BillingManagementClient",
     "description": "Billing client provides access to billing resources for Azure subscriptions."
   },
@@ -156,7 +156,7 @@
       "in": "query",
       "required": true,
       "type": "string",
-      "description": "The version of the API to be used with the client request. The current version is 2020-05-01."
+      "description": "The version of the API to be used with the client request. The current version is 2023-04-01."
     }
   },
   "security": [
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressInvalid.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressInvalid.json
index d65cc255d3f3..040491e050c1 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressInvalid.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressInvalid.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "address": {
       "addressLine1": "1 Test",
       "city": "bellevue",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressValid.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressValid.json
index 8f56faee38da..ed01cc6d882c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressValid.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AddressValid.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "address": {
       "addressLine1": "1 Test Address",
       "city": "bellevue",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementByName.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementByName.json
index 0b7f7f2c21c5..cd620154d2bd 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementByName.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementByName.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "agreementName": "{agreementName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementsListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementsListByBillingAccount.json
index 9be6ba760cbc..e757d3ac2a78 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementsListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AgreementsListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AvailableBalanceByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AvailableBalanceByBillingProfile.json
index 03063a39e8d0..0cc274b1d41c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AvailableBalanceByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/AvailableBalanceByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccount.json
index 30462b5d9d7e..5b8d24aa3d63 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesList.json
index d95c28a8d7a4..df19f29e8d2f 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "periodStartDate": "2018-01-01",
     "periodEndDate": "2018-06-30"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesListWithRebillDetails.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesListWithRebillDetails.json
index 6a6f68ce064d..a029d7a84c27 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesListWithRebillDetails.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountInvoicesListWithRebillDetails.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "periodStartDate": "2018-01-01",
     "periodEndDate": "2018-06-30"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountPermissionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountPermissionsList.json
index 27bb3da53918..041a7fd6a412 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountPermissionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountPermissionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignment.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignment.json
index 17693c2027f8..c873969008d8 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignment.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignment.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingRoleAssignmentName": "{billingRoleAssignmentId}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentDelete.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentDelete.json
index 2d1a0b6bdc87..2840bbf64eda 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentDelete.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentDelete.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingRoleAssignmentName": "{billingRoleAssignmentName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentList.json
index 9d4e484d6671..ececc6228a64 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleAssignmentList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinition.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinition.json
index 9912b5ea4a17..93db2a21bcb3 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinition.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinition.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingRoleDefinitionName": "{billingRoleDefinitionName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinitionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinitionsList.json
index 1ccbc73a3065..5eeddfa9a4a4 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinitionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountRoleDefinitionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountWithExpand.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountWithExpand.json
index bfc17275c61b..4c1e2fd4d56b 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountWithExpand.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountWithExpand.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "$expand": "soldTo,billingProfiles,billingProfiles/invoiceSections"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsList.json
index ca8792baf70d..906a8c08d094 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01"
+    "api-version": "2023-04-01"
   },
   "responses": {
     "200": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpand.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpand.json
index d16532b2d9e6..2b8889cd7bf8 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpand.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpand.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "$expand": "soldTo,billingProfiles,billingProfiles/invoiceSections"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpandForEnrollmentDetails.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpandForEnrollmentDetails.json
index 4406026cef02..7913fefbf334 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpandForEnrollmentDetails.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingAccountsListWithExpandForEnrollmentDetails.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "$expand": "enrollmentDetails,departments,enrollmentAccounts"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfile.json
index fee326aec912..00b12ad1e4a8 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilePermissionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilePermissionsList.json
index 131dcb9aeff1..d0ea28fd2b4d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilePermissionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilePermissionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignment.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignment.json
index 6de1eb19bc72..09a4635efaaa 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignment.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignment.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "billingRoleAssignmentName": "{billingRoleAssignmentName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentDelete.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentDelete.json
index 417086394bb9..746c24864f48 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentDelete.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentDelete.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "billingRoleAssignmentName": "{billingRoleAssignmentName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentList.json
index d550705d7a17..c0360e3828c9 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleAssignmentList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinition.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinition.json
index ddbac23b4fdc..a2263150493f 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinition.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinition.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "billingRoleDefinitionName": "{billingRoleDefinitionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinitionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinitionsList.json
index 0437df534f06..a65c3451e876 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinitionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileRoleDefinitionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileWithExpand.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileWithExpand.json
index 4ac97a6afd66..f8d1c6e74912 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileWithExpand.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfileWithExpand.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "$expand": "invoiceSections"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListByBillingAccount.json
index 8172fc6e2158..536d39f4888d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListWithExpand.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListWithExpand.json
index 235fbb7e67ac..f290ac771bdc 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListWithExpand.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProfilesListWithExpand.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "$expand": "invoiceSections"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProperty.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProperty.json
index 70e263978a92..d18657a678b6 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProperty.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingProperty.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscription.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscription.json
index 82f9307e93a9..f38ac872b2c7 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscription.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscription.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "subscriptionId": "{subscriptionId}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoice.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoice.json
index ee98596c0caf..e4fc6a9579c7 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoice.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoice.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}",
     "invoiceName": "{invoiceName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoiceDownload.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoiceDownload.json
index 1d2f434b068d..64b6df1117c2 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoiceDownload.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoiceDownload.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}",
     "invoiceName": "{invoiceName}",
     "downloadToken": "DRS_12345"
@@ -8,7 +8,7 @@
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/operationResults/invoiceDownload_{operationId}?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/operationResults/invoiceDownload_{operationId}?api-version=2023-04-01",
         "Retry-After": "10"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoicesList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoicesList.json
index 790192bd2d0c..6be2235b4aea 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoicesList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionInvoicesList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}",
     "periodStartDate": "2022-01-01",
     "periodEndDate": "2022-06-30"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingAccount.json
index f603da0ca6f2..a8ddd3e16b4a 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingProfile.json
index 2d1d563bf04c..47a352595f4d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByCustomer.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByCustomer.json
index 32bdcdec8883..17722d063e58 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByCustomer.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByCustomer.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByInvoiceSection.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByInvoiceSection.json
index 9b357e1c51b0..ce8f613a746d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByInvoiceSection.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/BillingSubscriptionsListByInvoiceSection.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CreditNote.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CreditNote.json
index 436f1f56ee11..2e8a76add57a 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CreditNote.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CreditNote.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Customer.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Customer.json
index 69251765abd1..a1cfe685972d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Customer.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Customer.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPermissionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPermissionsList.json
index 9227b211a749..324b8db948c7 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPermissionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPermissionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPolicy.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPolicy.json
index 601f3d77477e..e0ca258417d7 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPolicy.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerPolicy.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerWithExpand.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerWithExpand.json
index 59bb6cd2dc4d..e829265a4c0c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerWithExpand.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomerWithExpand.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}",
     "$expand": "enabledAzurePlans,resellers"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingAccount.json
index 5cf414465d11..234f22bb0ec7 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingProfile.json
index a7eb9a6bd73e..241b330891b5 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/CustomersListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/GetOperations.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/GetOperations.json
index d740b34bacaf..1160d386810c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/GetOperations.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/GetOperations.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01"
+    "api-version": "2023-04-01"
   },
   "responses": {
     "200": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Instruction.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Instruction.json
index 9b4093430abe..8b33e75722e0 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Instruction.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Instruction.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "instructionName": "{instructionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InstructionsListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InstructionsListByBillingProfile.json
index ab48e69d2cb5..2f0a91592810 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InstructionsListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InstructionsListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Invoice.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Invoice.json
index 431057fff203..f798d3f4b464 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Invoice.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Invoice.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceById.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceById.json
index 54b50a2366a0..28df18ea5da1 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceById.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceById.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "invoiceName": "{invoiceName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSection.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSection.json
index fa869b1aa7d9..124f0d66ca54 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSection.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSection.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionPermissionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionPermissionsList.json
index d948b9bf01b4..2238d8cc9c49 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionPermissionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionPermissionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignment.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignment.json
index d5788f6c9243..460117e022d9 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignment.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignment.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentDelete.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentDelete.json
index d5788f6c9243..460117e022d9 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentDelete.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentDelete.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentList.json
index bc1c0400589f..1ac6be28e2ce 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleAssignmentList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinition.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinition.json
index 47ebe75b139f..55ad4df2652c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinition.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinition.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinitionsList.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinitionsList.json
index 735412e49a6b..77ef5f1fdfb8 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinitionsList.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionRoleDefinitionsList.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListByBillingProfile.json
index 06d0cff7c93c..48cb743a491f 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListWithCreateSubPermission.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListWithCreateSubPermission.json
index 26aea84f6b4b..2b1d628baf8a 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListWithCreateSubPermission.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceSectionsListWithCreateSubPermission.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceWithRebillDetails.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceWithRebillDetails.json
index 7d9962a235e2..a34212b6d3af 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceWithRebillDetails.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoiceWithRebillDetails.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfile.json
index c3300eaa6ae8..ecbb12c758eb 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "periodStartDate": "2018-01-01",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfileWithRebillDetails.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfileWithRebillDetails.json
index e86609b85ef8..326292123055 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfileWithRebillDetails.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/InvoicesListByBillingProfileWithRebillDetails.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "periodStartDate": "2018-01-01",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ModernInvoiceDownload.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ModernInvoiceDownload.json
index 38774eb60736..248d4a44fd75 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ModernInvoiceDownload.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ModernInvoiceDownload.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}",
     "downloadToken": "DRS_12345"
@@ -8,7 +8,7 @@
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/operationResults/invoiceDownload_{operationId}?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/operationResults/invoiceDownload_{operationId}?api-version=2023-04-01",
         "Retry-After": "10"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveBillingSubscription.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveBillingSubscription.json
index 91fbf144a862..2503d6230859 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveBillingSubscription.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveBillingSubscription.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "subscriptionId": "{subscriptionId}",
     "parameters": {
@@ -34,7 +34,7 @@
     },
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/moveBillingSubscription_11000000-0000-0000-0000-000000000000:22000000-0000-0000-0000-000000000000:{subscriptionId}:44000000-0000-0000-0000-000000000055:10000000-0000-0000-0000-000000000001?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/moveBillingSubscription_11000000-0000-0000-0000-000000000000:22000000-0000-0000-0000-000000000000:{subscriptionId}:44000000-0000-0000-0000-000000000055:10000000-0000-0000-0000-000000000001?api-version=2023-04-01",
         "Retry-After": "30"
       }
     }
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveProduct.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveProduct.json
index 78387257995c..64c09ede4510 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveProduct.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MoveProduct.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "productName": "{productName}",
     "parameters": {
@@ -40,7 +40,7 @@
     },
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/operationResults/44000000-0000-0000-0000-000000000000?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/operationResults/44000000-0000-0000-0000-000000000000?api-version=2023-04-01",
         "Retry-After": "60",
         "OData-EntityId": "44000000-0000-0000-0000-000000000000"
       }
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleBillingSubscriptionInvoiceDownload.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleBillingSubscriptionInvoiceDownload.json
index 00c11b106f6a..87fc152bae88 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleBillingSubscriptionInvoiceDownload.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleBillingSubscriptionInvoiceDownload.json
@@ -1,17 +1,17 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}",
     "downloadUrls": [
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01",
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01",
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01"
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01",
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01",
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01"
     ]
   },
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/operationResults/invoiceDownload_{operationId}?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/default/billingSubscriptions/{subscriptionId}/operationResults/invoiceDownload_{operationId}?api-version=2023-04-01",
         "Retry-After": "10"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleModernInvoiceDownload.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleModernInvoiceDownload.json
index 209820727664..986214ab0631 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleModernInvoiceDownload.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/MultipleModernInvoiceDownload.json
@@ -1,17 +1,17 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "downloadUrls": [
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01",
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01",
-      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2020-05-01"
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01",
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01",
+      "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/invoices/{invoiceName}/download?downloadToken={downloadToken}&useCache=True&api-version=2023-04-01"
     ]
   },
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/invoiceDownload_{operationId}?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/invoiceDownload_{operationId}?api-version=2023-04-01",
         "Retry-After": "10"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Policy.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Policy.json
index f625de03e3d1..1fdedae350fa 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Policy.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Policy.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Product.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Product.json
index 5a2061c7b298..495b3d8414d9 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Product.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/Product.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "productName": "{productName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingAccount.json
index 26b95b564a27..0a43d871319b 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}"
   },
   "responses": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingProfile.json
index 3c9a073308a3..f87491726ba8 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByCustomer.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByCustomer.json
index 58eff538fc7b..beda9e9c7b2d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByCustomer.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByCustomer.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByInvoiceSection.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByInvoiceSection.json
index eaa006a7f14a..9c1db1ac3c81 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByInvoiceSection.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ProductsListByInvoiceSection.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}"
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutBillingProfile.json
index 34cd9b1a3b3a..33b6d7cd6d0d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "parameters": {
@@ -31,7 +31,7 @@
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/putBillingProfile_00000000-0000-0000-0000-000000000000?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/putBillingProfile_00000000-0000-0000-0000-000000000000?api-version=2023-04-01",
         "Retry-After": "60"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInstruction.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInstruction.json
index a140f1b32e61..017462aeddc0 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInstruction.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInstruction.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "instructionName": "{instructionName}",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInvoiceSection.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInvoiceSection.json
index 363ccd587a07..f795994220f9 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInvoiceSection.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/PutInvoiceSection.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "invoiceSectionName": "{invoiceSectionName}",
@@ -17,7 +17,7 @@
   "responses": {
     "202": {
       "headers": {
-        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/putInvoiceSection_00000000-0000-0000-0000-000000000000?api-version=2020-05-01",
+        "Location": "https://management.azure.com/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationResults/putInvoiceSection_00000000-0000-0000-0000-000000000000?api-version=2023-04-01",
         "Retry-After": "60"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingAccount.json
index af4f99587c4b..f3a0ce768d07 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "$filter": "properties/reservedResourceType eq 'VirtualMachines'",
     "$orderby": "properties/userFriendlyAppliedScopeType asc",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingProfile.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingProfile.json
index f04d34b1da33..e481531d435d 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingProfile.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ReservationsListByBillingProfile.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "$filter": "properties/reservedResourceType eq 'VirtualMachines'",
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/TransactionsListByInvoice.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/TransactionsListByInvoice.json
index 3cd3d055db94..27efd70f6b17 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/TransactionsListByInvoice.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/TransactionsListByInvoice.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}"
   },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingAccount.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingAccount.json
index fa0dca4f26c5..6e2226be7408 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingAccount.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingAccount.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "parameters": {
       "properties": {
@@ -21,7 +21,7 @@
   "responses": {
     "202": {
       "headers": {
-        "Location": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationStatus/65e1f2bf-c31c-4b89-a599-25d9d4172af9?api-version=2020-05-01",
+        "Location": "/providers/Microsoft.Billing/billingAccounts/{billingAccountName}/operationStatus/65e1f2bf-c31c-4b89-a599-25d9d4172af9?api-version=2023-04-01",
         "Retry-After": "10"
       }
     },
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingProperty.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingProperty.json
index 564cea55db9e..40def63d9391 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingProperty.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingProperty.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "subscriptionId": "{subscriptionId}",
     "parameters": {
       "properties": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingSubscription.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingSubscription.json
index 9b4bc71b63f3..e885de091559 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingSubscription.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateBillingSubscription.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "subscriptionId": "{subscriptionId}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateCustomerPolicy.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateCustomerPolicy.json
index c014d2859aaa..71a8ee3d02e2 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateCustomerPolicy.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateCustomerPolicy.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "customerName": "{customerName}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdatePolicy.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdatePolicy.json
index c85677e85d94..aa3b25c091b4 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdatePolicy.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdatePolicy.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "billingProfileName": "{billingProfileName}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateProduct.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateProduct.json
index 5d1beb7bafc5..b8f17f367c63 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateProduct.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/UpdateProduct.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "productName": "{productName}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveFailure.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveFailure.json
index bd75b901d431..cae715782e4c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveFailure.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveFailure.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "productName": "{productName}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveSuccess.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveSuccess.json
index 12669b188250..2615ff8690fe 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveSuccess.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateProductMoveSuccess.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "productName": "{productName}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveFailure.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveFailure.json
index baadfc3441da..19e25b02480c 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveFailure.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveFailure.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "subscriptionId": "{subscriptionId}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveSuccess.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveSuccess.json
index 7fe8119fa29f..943505a5941e 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveSuccess.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/ValidateSubscriptionMoveSuccess.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "subscriptionId": "{subscriptionId}",
     "parameters": {
diff --git a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/VoidInvoice.json b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/VoidInvoice.json
index 30e3f1b71cbe..a3aca2e2f193 100644
--- a/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/VoidInvoice.json
+++ b/specification/billing/resource-manager/Microsoft.Billing/stable/2023-04-01/examples/VoidInvoice.json
@@ -1,6 +1,6 @@
 {
   "parameters": {
-    "api-version": "2020-05-01",
+    "api-version": "2023-04-01",
     "billingAccountName": "{billingAccountName}",
     "invoiceName": "{invoiceName}"
   },