diff --git a/docs/accounting/index.html b/docs/accounting/index.html
index 7e1e514c..022f9e82 100644
--- a/docs/accounting/index.html
+++ b/docs/accounting/index.html
@@ -6381,7 +6381,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
@@ -27196,9 +27196,10 @@ <h3>Usage and SDK Samples</h3>
 const unitdp = 4;
 const summaryOnly = true;
 const pageSize = 100;
+const searchTerm = 'SearchTerm=REF12';
 
 try {
-  const response = await xero.accountingApi.getInvoices(xeroTenantId, ifModifiedSince, where, order, iDs, invoiceNumbers, contactIDs, statuses, page, includeArchived, createdByMyApp, unitdp, summaryOnly, pageSize);
+  const response = await xero.accountingApi.getInvoices(xeroTenantId, ifModifiedSince, where, order, iDs, invoiceNumbers, contactIDs, statuses, page, includeArchived, createdByMyApp, unitdp, summaryOnly, pageSize, searchTerm);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -27524,6 +27525,26 @@ <h2>Parameters</h2>
         </div>
     </div>
 </td>
+</tr>
+
+                    <tr><td style="width:150px;">searchTerm</td>
+<td>
+
+
+    <div id="d2e199_getInvoices_searchTerm">
+        <div class="json-schema-view">
+            <div class="primitive">
+                <span class="type">
+                    String
+                </span>
+
+                    <div class="inner description marked">
+Search parameter that performs a case-insensitive text search across the fields e.g. InvoiceNumber, Reference.
+                    </div>
+            </div>
+        </div>
+    </div>
+</td>
 </tr>
 
                   </table>
diff --git a/docs/appstore/index.html b/docs/appstore/index.html
index eced9ad2..56c3b5cf 100644
--- a/docs/appstore/index.html
+++ b/docs/appstore/index.html
@@ -1242,7 +1242,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/assets/index.html b/docs/assets/index.html
index 6fbd1abf..0f159cba 100644
--- a/docs/assets/index.html
+++ b/docs/assets/index.html
@@ -1393,7 +1393,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
diff --git a/docs/bankfeeds/index.html b/docs/bankfeeds/index.html
index 4b1637e5..ce33fc2d 100644
--- a/docs/bankfeeds/index.html
+++ b/docs/bankfeeds/index.html
@@ -1269,7 +1269,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="BankFeeds"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="BankFeeds"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="BankFeeds"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="BankFeeds"><a href="#api-BankFeeds">Methods</a></li>
               <li data-group="BankFeeds" data-name="createFeedConnections" class="">
                 <a href="#api-BankFeeds-createFeedConnections">createFeedConnections</a>
diff --git a/docs/files/index.html b/docs/files/index.html
index 20b810da..946b9d1b 100644
--- a/docs/files/index.html
+++ b/docs/files/index.html
@@ -1171,7 +1171,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
diff --git a/docs/finance/index.html b/docs/finance/index.html
index 38ed64c9..5d4eaf15 100644
--- a/docs/finance/index.html
+++ b/docs/finance/index.html
@@ -2738,7 +2738,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/payroll-au/index.html b/docs/payroll-au/index.html
index ccf4db9c..ffa93360 100644
--- a/docs/payroll-au/index.html
+++ b/docs/payroll-au/index.html
@@ -3413,7 +3413,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="approveLeaveApplication" class="">
                 <a href="#api-PayrollAu-approveLeaveApplication">approveLeaveApplication</a>
diff --git a/docs/payroll-nz/index.html b/docs/payroll-nz/index.html
index 935f8e0f..a69334af 100644
--- a/docs/payroll-nz/index.html
+++ b/docs/payroll-nz/index.html
@@ -3844,7 +3844,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/payroll-uk/index.html b/docs/payroll-uk/index.html
index f1733bc0..e1b51b34 100644
--- a/docs/payroll-uk/index.html
+++ b/docs/payroll-uk/index.html
@@ -3511,7 +3511,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollUk"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="PayrollUk"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="PayrollUk"><a href="#api-PayrollUk">Methods</a></li>
               <li data-group="PayrollUk" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollUk-approveTimesheet">approveTimesheet</a>
diff --git a/docs/projects/index.html b/docs/projects/index.html
index b3c1c15a..220a0ae2 100644
--- a/docs/projects/index.html
+++ b/docs/projects/index.html
@@ -1463,7 +1463,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>8.0.0</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>8.1.0</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/package.json b/package.json
index 16980f7b..42542a2c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xero-node",
-  "version": "8.0.0",
+  "version": "8.1.0",
   "description": "Xero NodeJS OAuth 2.0 client for xero-node",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/gen/api/accountingApi.ts b/src/gen/api/accountingApi.ts
index c0f013af..bda0121f 100644
--- a/src/gen/api/accountingApi.ts
+++ b/src/gen/api/accountingApi.ts
@@ -94,7 +94,7 @@ export enum AccountingApiApiKeys {
 
 export class AccountingApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -305,16 +305,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -419,16 +415,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -774,16 +766,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -1213,16 +1201,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -1738,16 +1722,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -2336,16 +2316,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -2859,16 +2835,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -3785,16 +3757,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -4061,16 +4029,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -4417,16 +4381,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -4613,16 +4573,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -6436,11 +6392,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -6849,11 +6800,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -7346,11 +7292,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -8436,11 +8377,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -9326,11 +9262,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -10359,11 +10290,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -10536,8 +10462,9 @@ export class AccountingApi {
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
      * @param summaryOnly Use summaryOnly&#x3D;true in GET Contacts and Invoices endpoint to retrieve a smaller version of the response object. This returns only lightweight fields, excluding computation-heavy fields from the response, making the API calls quick and efficient.
      * @param pageSize Number of records to retrieve per page
+     * @param searchTerm Search parameter that performs a case-insensitive text search across the fields e.g. InvoiceNumber, Reference.
      */     
-    public async getInvoices (xeroTenantId: string, ifModifiedSince?: Date, where?: string, order?: string, iDs?: Array<string>, invoiceNumbers?: Array<string>, contactIDs?: Array<string>, statuses?: Array<string>, page?: number, includeArchived?: boolean, createdByMyApp?: boolean, unitdp?: number, summaryOnly?: boolean, pageSize?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: GetInvoicesResponse;  }> {
+    public async getInvoices (xeroTenantId: string, ifModifiedSince?: Date, where?: string, order?: string, iDs?: Array<string>, invoiceNumbers?: Array<string>, contactIDs?: Array<string>, statuses?: Array<string>, page?: number, includeArchived?: boolean, createdByMyApp?: boolean, unitdp?: number, summaryOnly?: boolean, pageSize?: number, searchTerm?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: GetInvoicesResponse;  }> {
         const localVarPath = this.basePath + '/Invoices';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -10601,6 +10528,10 @@ export class AccountingApi {
             localVarQueryParameters['pageSize'] = ObjectSerializer.serialize(pageSize, "number");
         }
 
+        if (searchTerm !== undefined) {
+            localVarQueryParameters['searchTerm'] = ObjectSerializer.serialize(searchTerm, "string");
+        }
+
         localVarHeaderParams['xero-tenant-id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['If-Modified-Since'] = ObjectSerializer.serialize(ifModifiedSince, "Date");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -11593,11 +11524,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -13219,11 +13145,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -13869,11 +13790,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -14391,11 +14307,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -14878,11 +14789,6 @@ export class AccountingApi {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -16679,16 +16585,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -16880,16 +16782,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -16993,16 +16891,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -17188,16 +17082,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -17471,16 +17361,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -17754,16 +17640,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -18119,16 +18001,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -19135,16 +19013,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -19331,16 +19205,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -19532,16 +19402,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
@@ -19728,16 +19594,12 @@ export class AccountingApi {
                 })
             });
         }).then((fileContents) => {
-            localVarRequestOptions.data = fileContents;
+            const file = Buffer.concat(fileContents);
+            localVarRequestOptions.data = file;
             return new Promise<{ response: AxiosResponse; body: Attachments;  }>(async (resolve, reject) => {
             let body = null
             try {
                 const response = await axios(localVarRequestOptions)
-                        try {
-                            body = JSON.parse(response.data)
-                        } catch (err) {
-                            console.log('JSON parse body failed')
-                        }
                          body = ObjectSerializer.deserialize(response.data, "Attachments");
                         if (response.status && response.status >= 200 && response.status <= 299) {
                             resolve({ response: response, body: body });
diff --git a/src/gen/api/appStoreApi.ts b/src/gen/api/appStoreApi.ts
index c4c90366..3330ffe3 100644
--- a/src/gen/api/appStoreApi.ts
+++ b/src/gen/api/appStoreApi.ts
@@ -38,7 +38,7 @@ export enum AppStoreApiApiKeys {
 
 export class AppStoreApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/assetApi.ts b/src/gen/api/assetApi.ts
index 04087651..ff04ca75 100644
--- a/src/gen/api/assetApi.ts
+++ b/src/gen/api/assetApi.ts
@@ -37,7 +37,7 @@ export enum AssetApiApiKeys {
 
 export class AssetApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/bankfeedsApi.ts b/src/gen/api/bankfeedsApi.ts
index b04f91a6..96ab8448 100644
--- a/src/gen/api/bankfeedsApi.ts
+++ b/src/gen/api/bankfeedsApi.ts
@@ -36,7 +36,7 @@ export enum BankFeedsApiApiKeys {
 
 export class BankFeedsApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/filesApi.ts b/src/gen/api/filesApi.ts
index ad0f9e82..1619fca4 100644
--- a/src/gen/api/filesApi.ts
+++ b/src/gen/api/filesApi.ts
@@ -36,7 +36,7 @@ export enum FilesApiApiKeys {
 
 export class FilesApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/financeApi.ts b/src/gen/api/financeApi.ts
index ad7b6545..8eea7972 100644
--- a/src/gen/api/financeApi.ts
+++ b/src/gen/api/financeApi.ts
@@ -44,7 +44,7 @@ export enum FinanceApiApiKeys {
 
 export class FinanceApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/payrollAUApi.ts b/src/gen/api/payrollAUApi.ts
index eb09f887..05a112e0 100644
--- a/src/gen/api/payrollAUApi.ts
+++ b/src/gen/api/payrollAUApi.ts
@@ -53,7 +53,7 @@ export enum PayrollAuApiApiKeys {
 
 export class PayrollAuApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/payrollNZApi.ts b/src/gen/api/payrollNZApi.ts
index 031156b6..ea684197 100644
--- a/src/gen/api/payrollNZApi.ts
+++ b/src/gen/api/payrollNZApi.ts
@@ -94,7 +94,7 @@ export enum PayrollNzApiApiKeys {
 
 export class PayrollNzApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/payrollUKApi.ts b/src/gen/api/payrollUKApi.ts
index 2c831ec6..717f1ed6 100644
--- a/src/gen/api/payrollUKApi.ts
+++ b/src/gen/api/payrollUKApi.ts
@@ -94,7 +94,7 @@ export enum PayrollUkApiApiKeys {
 
 export class PayrollUkApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/projectApi.ts b/src/gen/api/projectApi.ts
index 8cddc505..f6a5eae2 100644
--- a/src/gen/api/projectApi.ts
+++ b/src/gen/api/projectApi.ts
@@ -44,7 +44,7 @@ export enum ProjectApiApiKeys {
 
 export class ProjectApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-8.0.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-8.1.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};