diff --git a/xero-app-store.yaml b/xero-app-store.yaml
index 19bd55d65..5da0dafb9 100644
--- a/xero-app-store.yaml
+++ b/xero-app-store.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero AppStore API
   description: These endpoints are for Xero Partners to interact with the App Store Billing platform
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-finance.yaml b/xero-finance.yaml
index 774478963..1ec7c4bd5 100644
--- a/xero-finance.yaml
+++ b/xero-finance.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero Finance API
   description: The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-identity.yaml b/xero-identity.yaml
index 2a772ca41..e13a966a3 100644
--- a/xero-identity.yaml
+++ b/xero-identity.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero OAuth 2 Identity Service API
   description: These endpoints are related to managing authentication tokens and identity for Xero API
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-payroll-au.yaml b/xero-payroll-au.yaml
index 47251c740..d52608e4a 100644
--- a/xero-payroll-au.yaml
+++ b/xero-payroll-au.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: 'Xero Payroll AU API'
   description: 'This is the Xero Payroll API for orgs in Australia region.'
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
@@ -558,6 +558,7 @@ paths:
                           ]
                         }'
       requestBody:
+        required: true
         content:
           application/json:
             schema:
@@ -2408,6 +2409,7 @@ paths:
                           ]
                         }'
       requestBody:
+        required: true
         content:
           application/json:
             schema:
@@ -2658,6 +2660,7 @@ paths:
                           ]
                         }'
       requestBody:
+        required: true
         content:
           application/json:
             schema:
@@ -3019,6 +3022,7 @@ paths:
                           ]
                         }'
       requestBody:
+        required: true
         content:
           application/json:
               schema:
@@ -3536,6 +3540,7 @@ paths:
                           ]
                         }'
       requestBody:
+        required: true
         content:
           application/json:
             schema:
diff --git a/xero-payroll-nz.yaml b/xero-payroll-nz.yaml
index 7f704a2ac..7d3a6483c 100644
--- a/xero-payroll-nz.yaml
+++ b/xero-payroll-nz.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: 'Xero Payroll NZ'
   description: 'This is the Xero Payroll API for orgs in the NZ region.'
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-payroll-uk.yaml b/xero-payroll-uk.yaml
index 52b9af9cc..593611a10 100644
--- a/xero-payroll-uk.yaml
+++ b/xero-payroll-uk.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: 'Xero Payroll UK'
   description: 'This is the Xero Payroll API for orgs in the UK region.'
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero-projects.yaml b/xero-projects.yaml
index 5ae083c71..5ace869d3 100644
--- a/xero-projects.yaml
+++ b/xero-projects.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero Projects API
   description: This is the Xero Projects API 
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
diff --git a/xero_accounting.yaml b/xero_accounting.yaml
index cea411670..fa6563d17 100644
--- a/xero_accounting.yaml
+++ b/xero_accounting.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.0
 info:
   title: Xero Accounting API
-  version: "2.40.3"
+  version: "3.0.0"
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
   contact:
     name: "Xero Platform Team"
@@ -1600,9 +1600,9 @@ paths:
           csharp: BankTransaction
           object: bankTransaction
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type BankTransactions array with new BankTransaction 
@@ -1871,9 +1871,9 @@ paths:
           csharp: BankTransaction
           object: bankTransaction
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type BankTransactions array with new BankTransaction 
@@ -2306,9 +2306,9 @@ paths:
           csharp: BankTransaction
           object: bankTransaction
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/BankTransactionID'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type BankTransactions array with updated BankTransaction 
@@ -3968,8 +3968,8 @@ paths:
           csharp: Contact
           object: contact
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Contacts array with newly created Contact
@@ -4273,8 +4273,8 @@ paths:
           csharp: Contact
           object: contact
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Contacts array with newly created Contact
@@ -5804,9 +5804,9 @@ paths:
           csharp: CreditNote
           object: creditNote
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Credit Notes array of newly created CreditNote
@@ -6090,9 +6090,9 @@ paths:
           csharp: CreditNote
           object: creditNote
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Credit Notes array of newly created CreditNote
@@ -6533,9 +6533,9 @@ paths:
           csharp: CreditNote
           object: creditNote
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/CreditNoteID'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Credit Notes array with updated CreditNote
@@ -6804,10 +6804,10 @@ paths:
       x-hasAccountingValidationError: true
       summary: Creates an attachment for a specific credit note
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/CreditNoteID'
         - $ref: '#/components/parameters/FileName'
         - $ref: '#/components/parameters/includeOnline'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Attachments array with newly created Attachment for specific Credit Note
@@ -6940,9 +6940,9 @@ paths:
           csharp: Allocation
           object: allocation
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/CreditNoteID'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Allocations array with newly created Allocation for specific Credit Note
@@ -7301,8 +7301,8 @@ paths:
           csharp: Employee
           object: employee
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Employees array with new Employee
@@ -7388,8 +7388,8 @@ paths:
           csharp: Employee
           object: employee
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Employees array with new Employee
@@ -8596,9 +8596,9 @@ paths:
           csharp: Invoice
           object: invoice
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Invoices array with newly created Invoice
@@ -8943,9 +8943,9 @@ paths:
           csharp: Invoice
           object: invoice
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Invoices array with newly created Invoice
@@ -9313,9 +9313,9 @@ paths:
           csharp: Invoice
           object: invoice
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/InvoiceID'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Invoices array with updated Invoice
@@ -9598,10 +9598,10 @@ paths:
       x-hasAccountingValidationError: true
       summary: Creates an attachment for a specific invoice or purchase bill by filename
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/InvoiceID'
         - $ref: '#/components/parameters/FileName'
         - $ref: '#/components/parameters/includeOnline'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Attachments array with newly created Attachment
@@ -9925,9 +9925,9 @@ paths:
           csharp: Item
           object: item
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Items array with newly created Item
@@ -10024,9 +10024,9 @@ paths:
           csharp: Item
           object: item
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Items array with newly created Item
@@ -10166,9 +10166,9 @@ paths:
           csharp: Item
           object: item
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/ItemID'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Items array with updated Item
@@ -11159,8 +11159,8 @@ paths:
           csharp: ManualJournal
           object: manualJournal
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type ManualJournals array with newly created ManualJournal
@@ -11393,8 +11393,8 @@ paths:
           csharp: ManualJournal
           object: manualJournal
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type ManualJournals array with newly created ManualJournal
@@ -12568,9 +12568,9 @@ paths:
           csharp: Allocation
           object: allocation
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/OverpaymentID'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Allocations array with all Allocation for Overpayments
@@ -12979,8 +12979,8 @@ paths:
           csharp: Payment
           object: payment
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Payments array for newly created Payment
@@ -14021,9 +14021,9 @@ paths:
           csharp: Allocation
           object: allocation
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/PrepaymentID'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Allocations array of Allocation for all Prepayment
@@ -14532,8 +14532,8 @@ paths:
           csharp: PurchaseOrder
           object: purchaseOrder
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type PurchaseOrder array for specified PurchaseOrder          
@@ -14808,8 +14808,8 @@ paths:
           csharp: PurchaseOrder
           object: purchaseOrder
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type PurchaseOrder array for specified PurchaseOrder          
@@ -15943,8 +15943,8 @@ paths:
           csharp: Quote
           object: quote
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Quotes with array with newly created Quote
@@ -16152,8 +16152,8 @@ paths:
           csharp: Quote
           object: quote
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Quotes array with updated or created Quote
@@ -16941,8 +16941,8 @@ paths:
           csharp: Receipt
           object: receipt
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Receipts array for newly created Receipt   
@@ -17296,9 +17296,9 @@ paths:
           csharp: Receipt
           object: receipt
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/ReceiptID'
         - $ref: '#/components/parameters/unitdp'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type Receipts array for updated Receipt   
@@ -17776,8 +17776,8 @@ paths:
       summary: Creates one or more repeating invoice templates
       x-hasAccountingValidationError: true
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type RepeatingInvoices array with newly created RepeatingInvoice
@@ -17900,8 +17900,8 @@ paths:
       summary: Creates or deletes one or more repeating invoice templates
       x-hasAccountingValidationError: true
       parameters:
-        - $ref: '#/components/parameters/idempotencyKey'
         - $ref: '#/components/parameters/summarizeErrors'
+        - $ref: '#/components/parameters/idempotencyKey'
       responses:
         '200':
           description: Success - return response of type RepeatingInvoices array with newly created RepeatingInvoice
diff --git a/xero_assets.yaml b/xero_assets.yaml
index f8db3d293..8d0944775 100644
--- a/xero_assets.yaml
+++ b/xero_assets.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero Assets API
   description: The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
@@ -595,6 +595,7 @@ paths:
         '409':
           description: a type already exists
       requestBody:
+        required: true
         content:
           application/json:
             schema:
diff --git a/xero_bankfeeds.yaml b/xero_bankfeeds.yaml
index 6699f8d92..f049417c1 100644
--- a/xero_bankfeeds.yaml
+++ b/xero_bankfeeds.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-  version: "2.40.3"
+  version: "3.0.0"
   title: Xero Bank Feeds API
   description: The Bank Feeds API is a closed API that is only available to financial institutions that have an established financial services partnership with Xero.
                If you're an existing financial services partner that wants access, contact your local Partner Manager.
@@ -469,6 +469,7 @@ paths:
                         }
       requestBody:
         description: Statements array of objects in the body
+        required: true
         content:
           application/json:
             schema:
diff --git a/xero_files.yaml b/xero_files.yaml
index de7232c98..1c95a3ad5 100644
--- a/xero_files.yaml
+++ b/xero_files.yaml
@@ -4,7 +4,7 @@ servers:
     url: https://api.xero.com/files.xro/1.0/
 info:
   title: Xero Files API
-  version: "2.40.3"
+  version: "3.0.0"
   description: "These endpoints are specific to Xero Files API"
   termsOfService: "https://developer.xero.com/xero-developer-platform-terms-conditions/"
   contact:
@@ -140,6 +140,7 @@ paths:
                       }
                     ]'
       requestBody:
+        required: true
         content:
           multipart/form-data:
             schema: 
@@ -241,6 +242,7 @@ paths:
                           }
                         ]'
       requestBody:
+        required: true
         content:
           application/json:
               schema:
@@ -326,6 +328,7 @@ paths:
                       }
                     ]'
       requestBody:
+        required: true
         content:
           multipart/form-data:
             schema: 
@@ -442,6 +445,7 @@ paths:
                           }
                         ]'
       requestBody:
+        required: true
         content:
           application/json:
               schema:
@@ -671,6 +675,7 @@ paths:
                           }
                         ]'
       requestBody:
+        required: true
         content:
           application/json:
             schema: