diff --git a/src/openApiClientJs/gen/index.ts b/src/openApiClientJs/gen/index.ts
index 1712c23e4c..a2142199fb 100644
--- a/src/openApiClientJs/gen/index.ts
+++ b/src/openApiClientJs/gen/index.ts
@@ -16,9 +16,15 @@ export type { CertificationDefinition } from './models/CertificationDefinition';
 export type { Course } from './models/Course';
 export type { CourseRun } from './models/CourseRun';
 export type { CreditCard } from './models/CreditCard';
+export type { EmptyResponse } from './models/EmptyResponse';
 export { Enrollment } from './models/Enrollment';
+export type { ErrorResponse } from './models/ErrorResponse';
 export { Order } from './models/Order';
+export type { OrderAbortBody } from './models/OrderAbortBody';
+export type { OrderCreate } from './models/OrderCreate';
+export { OrderCreateResponse } from './models/OrderCreateResponse';
 export type { Organization } from './models/Organization';
+export type { Payment } from './models/Payment';
 export { Product } from './models/Product';
 
 export { AddressesService } from './services/AddressesService';
diff --git a/src/openApiClientJs/gen/models/EmptyResponse.ts b/src/openApiClientJs/gen/models/EmptyResponse.ts
new file mode 100644
index 0000000000..f4e6809674
--- /dev/null
+++ b/src/openApiClientJs/gen/models/EmptyResponse.ts
@@ -0,0 +1,7 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+export type EmptyResponse = {
+};
+
diff --git a/src/openApiClientJs/gen/models/ErrorResponse.ts b/src/openApiClientJs/gen/models/ErrorResponse.ts
new file mode 100644
index 0000000000..32f898c1b0
--- /dev/null
+++ b/src/openApiClientJs/gen/models/ErrorResponse.ts
@@ -0,0 +1,8 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+export type ErrorResponse = {
+  details: string;
+};
+
diff --git a/src/openApiClientJs/gen/models/Order.ts b/src/openApiClientJs/gen/models/Order.ts
index 972500d6d7..ae5b8e6194 100644
--- a/src/openApiClientJs/gen/models/Order.ts
+++ b/src/openApiClientJs/gen/models/Order.ts
@@ -10,10 +10,10 @@ export type Order = {
   readonly created_on?: string;
   readonly certificate?: string;
   readonly enrollments?: string;
-  readonly id?: string;
+  id: string;
   readonly main_invoice?: string;
   organization?: string;
-  readonly owner?: string;
+  owner: string;
   readonly total?: number;
   readonly total_currency?: string;
   product: string;
diff --git a/src/openApiClientJs/gen/models/OrderAbortBody.ts b/src/openApiClientJs/gen/models/OrderAbortBody.ts
new file mode 100644
index 0000000000..65f8d6708c
--- /dev/null
+++ b/src/openApiClientJs/gen/models/OrderAbortBody.ts
@@ -0,0 +1,8 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+export type OrderAbortBody = {
+  payment_id: string;
+};
+
diff --git a/src/openApiClientJs/gen/models/OrderCreate.ts b/src/openApiClientJs/gen/models/OrderCreate.ts
new file mode 100644
index 0000000000..107a5c5433
--- /dev/null
+++ b/src/openApiClientJs/gen/models/OrderCreate.ts
@@ -0,0 +1,15 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+import type { Address } from './Address';
+
+export type OrderCreate = {
+  credit_card_id?: string;
+  course: string;
+  organization?: string;
+  owner: string;
+  product: string;
+  billing_address?: Address;
+};
+
diff --git a/src/openApiClientJs/gen/models/OrderCreateResponse.ts b/src/openApiClientJs/gen/models/OrderCreateResponse.ts
new file mode 100644
index 0000000000..8fec4a5746
--- /dev/null
+++ b/src/openApiClientJs/gen/models/OrderCreateResponse.ts
@@ -0,0 +1,38 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+import type { Payment } from './Payment';
+
+export type OrderCreateResponse = {
+  course: string;
+  /**
+   * date and time at which a record was created
+   */
+  readonly created_on?: string;
+  readonly certificate?: string;
+  readonly enrollments?: string;
+  id: string;
+  readonly main_invoice?: string;
+  organization?: string;
+  owner: string;
+  readonly total?: number;
+  readonly total_currency?: string;
+  product: string;
+  readonly state?: OrderCreateResponse.state;
+  readonly target_courses?: string;
+  payment_info?: Payment;
+};
+
+export namespace OrderCreateResponse {
+
+  export enum state {
+    PENDING = 'pending',
+    CANCELED = 'canceled',
+    FAILED = 'failed',
+    VALIDATED = 'validated',
+  }
+
+
+}
+
diff --git a/src/openApiClientJs/gen/models/Payment.ts b/src/openApiClientJs/gen/models/Payment.ts
new file mode 100644
index 0000000000..29da594251
--- /dev/null
+++ b/src/openApiClientJs/gen/models/Payment.ts
@@ -0,0 +1,11 @@
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+
+export type Payment = {
+  payment_id: string;
+  provider: string;
+  url: string;
+  is_paid?: boolean;
+};
+
diff --git a/src/openApiClientJs/gen/services/CertificatesService.ts b/src/openApiClientJs/gen/services/CertificatesService.ts
index a76f1887a7..f371b40b0f 100644
--- a/src/openApiClientJs/gen/services/CertificatesService.ts
+++ b/src/openApiClientJs/gen/services/CertificatesService.ts
@@ -76,14 +76,14 @@ export class CertificatesService {
 
   /**
    * Retrieve a certificate through its id if it is owned by the authenticated user.
-   * @returns Certificate
+   * @returns binary File Attachment
    * @throws ApiError
    */
   public certificatesDownload({
     id,
   }: {
     id: string,
-  }): CancelablePromise<Certificate> {
+  }): CancelablePromise<Blob> {
     return this.httpRequest.request({
       method: 'GET',
       url: '/certificates/{id}/download/',
diff --git a/src/openApiClientJs/gen/services/OrdersService.ts b/src/openApiClientJs/gen/services/OrdersService.ts
index e52e1c0fc2..3ce2876e07 100644
--- a/src/openApiClientJs/gen/services/OrdersService.ts
+++ b/src/openApiClientJs/gen/services/OrdersService.ts
@@ -2,6 +2,9 @@
 /* tslint:disable */
 /* eslint-disable */
 import type { Order } from '../models/Order';
+import type { OrderAbortBody } from '../models/OrderAbortBody';
+import type { OrderCreate } from '../models/OrderCreate';
+import type { OrderCreateResponse } from '../models/OrderCreateResponse';
 
 import type { CancelablePromise } from '../core/CancelablePromise';
 import type { BaseHttpRequest } from '../core/BaseHttpRequest';
@@ -62,14 +65,14 @@ export class OrdersService {
 
   /**
    * Try to create an order and a related payment if the payment is fee.
-   * @returns Order
+   * @returns OrderCreateResponse
    * @throws ApiError
    */
   public ordersCreate({
     data,
   }: {
-    data: Order,
-  }): CancelablePromise<Order> {
+    data: OrderCreate,
+  }): CancelablePromise<OrderCreateResponse> {
     return this.httpRequest.request({
       method: 'POST',
       url: '/orders/',
@@ -106,7 +109,7 @@ export class OrdersService {
 
   /**
    * Abort a pending order and the related payment if there is one.
-   * @returns Order
+   * @returns void
    * @throws ApiError
    */
   public ordersAbort({
@@ -114,8 +117,8 @@ export class OrdersService {
     data,
   }: {
     id: string,
-    data: Order,
-  }): CancelablePromise<Order> {
+    data: OrderAbortBody,
+  }): CancelablePromise<void> {
     return this.httpRequest.request({
       method: 'POST',
       url: '/orders/{id}/abort/',
@@ -129,20 +132,25 @@ export class OrdersService {
   /**
    * Retrieve an invoice through its reference if it is related to
    * the order instance and owned by the authenticated user.
-   * @returns Order
+   * @returns binary File Attachment
    * @throws ApiError
    */
   public ordersInvoice({
     id,
+    reference,
   }: {
     id: string,
-  }): CancelablePromise<Order> {
+    reference: string,
+  }): CancelablePromise<Blob> {
     return this.httpRequest.request({
       method: 'GET',
       url: '/orders/{id}/invoice/',
       path: {
         'id': id,
       },
+      query: {
+        'reference': reference,
+      },
     });
   }
 
diff --git a/src/openApiClientJs/gen/services/ProductsService.ts b/src/openApiClientJs/gen/services/ProductsService.ts
index 374f6dde4f..90e4c4ea63 100644
--- a/src/openApiClientJs/gen/services/ProductsService.ts
+++ b/src/openApiClientJs/gen/services/ProductsService.ts
@@ -17,11 +17,13 @@ export class ProductsService {
    */
   public productsRead({
     id,
+    course,
   }: {
     /**
      * primary key for the record as UUID
      */
     id: string,
+    course: string,
   }): CancelablePromise<Product> {
     return this.httpRequest.request({
       method: 'GET',
@@ -29,6 +31,9 @@ export class ProductsService {
       path: {
         'id': id,
       },
+      query: {
+        'course': course,
+      },
     });
   }