diff --git a/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache b/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
index 5c96b388c5a..88a2bf92dfe 100644
--- a/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
+++ b/modules/openapi-generator/src/main/resources/typescript-node/api-single.mustache
@@ -134,6 +134,15 @@ export class {{classname}} {
             .replace('{' + '{{baseName}}' + '}', encodeURIComponent(String({{paramName}}))){{/pathParams}};
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+{{#hasProduces}}
+        const produces = [{{#produces}}'{{{mediaType}}}'{{#hasMore}}, {{/hasMore}}{{/produces}}];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
+{{/hasProduces}}
         let localVarFormParams: any = {};
 
 {{#allParams}}
diff --git a/samples/client/petstore/typescript-node/default/api/petApi.ts b/samples/client/petstore/typescript-node/default/api/petApi.ts
index c8b43c5a762..4bf54529880 100644
--- a/samples/client/petstore/typescript-node/default/api/petApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/petApi.ts
@@ -205,6 +205,13 @@ export class PetApi {
         const localVarPath = this.basePath + '/pet/findByStatus';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'status' is not null or undefined
@@ -266,6 +273,13 @@ export class PetApi {
         const localVarPath = this.basePath + '/pet/findByTags';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'tags' is not null or undefined
@@ -328,6 +342,13 @@ export class PetApi {
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'petId' is not null or undefined
@@ -512,6 +533,13 @@ export class PetApi {
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'petId' is not null or undefined
diff --git a/samples/client/petstore/typescript-node/default/api/storeApi.ts b/samples/client/petstore/typescript-node/default/api/storeApi.ts
index d8f6013e7c2..d2a42eaa9bb 100644
--- a/samples/client/petstore/typescript-node/default/api/storeApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/storeApi.ts
@@ -137,6 +137,13 @@ export class StoreApi {
         const localVarPath = this.basePath + '/store/inventory';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         (<any>Object).assign(localVarHeaderParams, options.headers);
@@ -190,6 +197,13 @@ export class StoreApi {
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'orderId' is not null or undefined
@@ -245,6 +259,13 @@ export class StoreApi {
         const localVarPath = this.basePath + '/store/order';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'body' is not null or undefined
diff --git a/samples/client/petstore/typescript-node/default/api/userApi.ts b/samples/client/petstore/typescript-node/default/api/userApi.ts
index eab57a38e45..8efbe0d5568 100644
--- a/samples/client/petstore/typescript-node/default/api/userApi.ts
+++ b/samples/client/petstore/typescript-node/default/api/userApi.ts
@@ -301,6 +301,13 @@ export class UserApi {
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'username' is not null or undefined
@@ -357,6 +364,13 @@ export class UserApi {
         const localVarPath = this.basePath + '/user/login';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'username' is not null or undefined
diff --git a/samples/client/petstore/typescript-node/npm/api/petApi.ts b/samples/client/petstore/typescript-node/npm/api/petApi.ts
index c8b43c5a762..4bf54529880 100644
--- a/samples/client/petstore/typescript-node/npm/api/petApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/petApi.ts
@@ -205,6 +205,13 @@ export class PetApi {
         const localVarPath = this.basePath + '/pet/findByStatus';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'status' is not null or undefined
@@ -266,6 +273,13 @@ export class PetApi {
         const localVarPath = this.basePath + '/pet/findByTags';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'tags' is not null or undefined
@@ -328,6 +342,13 @@ export class PetApi {
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'petId' is not null or undefined
@@ -512,6 +533,13 @@ export class PetApi {
             .replace('{' + 'petId' + '}', encodeURIComponent(String(petId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'petId' is not null or undefined
diff --git a/samples/client/petstore/typescript-node/npm/api/storeApi.ts b/samples/client/petstore/typescript-node/npm/api/storeApi.ts
index d8f6013e7c2..d2a42eaa9bb 100644
--- a/samples/client/petstore/typescript-node/npm/api/storeApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/storeApi.ts
@@ -137,6 +137,13 @@ export class StoreApi {
         const localVarPath = this.basePath + '/store/inventory';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         (<any>Object).assign(localVarHeaderParams, options.headers);
@@ -190,6 +197,13 @@ export class StoreApi {
             .replace('{' + 'orderId' + '}', encodeURIComponent(String(orderId)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'orderId' is not null or undefined
@@ -245,6 +259,13 @@ export class StoreApi {
         const localVarPath = this.basePath + '/store/order';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'body' is not null or undefined
diff --git a/samples/client/petstore/typescript-node/npm/api/userApi.ts b/samples/client/petstore/typescript-node/npm/api/userApi.ts
index eab57a38e45..8efbe0d5568 100644
--- a/samples/client/petstore/typescript-node/npm/api/userApi.ts
+++ b/samples/client/petstore/typescript-node/npm/api/userApi.ts
@@ -301,6 +301,13 @@ export class UserApi {
             .replace('{' + 'username' + '}', encodeURIComponent(String(username)));
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'username' is not null or undefined
@@ -357,6 +364,13 @@ export class UserApi {
         const localVarPath = this.basePath + '/user/login';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
+        const produces = ['application/xml', 'application/json'];
+        // give precedence to 'application/json'
+        if (produces.indexOf('application/json') >= 0) {
+            localVarHeaderParams.Accept = 'application/json';
+        } else {
+            localVarHeaderParams.Accept = produces.join(',');
+        }
         let localVarFormParams: any = {};
 
         // verify required parameter 'username' is not null or undefined