diff --git a/packages/clients/src/api/transactional_email/v1alpha1/api.gen.ts b/packages/clients/src/api/transactional_email/v1alpha1/api.gen.ts
index 99ebe614d..071abc50a 100644
--- a/packages/clients/src/api/transactional_email/v1alpha1/api.gen.ts
+++ b/packages/clients/src/api/transactional_email/v1alpha1/api.gen.ts
@@ -238,6 +238,11 @@ export class TransactionalEmailV1Alpha1GenAPI extends API {
           request.region ?? this.client.settings.defaultRegion,
         )}/domains`,
         urlParams: urlParams(
+          [
+            'organization_id',
+            request.organizationId ??
+              this.client.settings.defaultOrganizationId,
+          ],
           ['page', request.page],
           [
             'page_size',
diff --git a/packages/clients/src/api/transactional_email/v1alpha1/types.gen.ts b/packages/clients/src/api/transactional_email/v1alpha1/types.gen.ts
index 4509da079..69c9982ab 100644
--- a/packages/clients/src/api/transactional_email/v1alpha1/types.gen.ts
+++ b/packages/clients/src/api/transactional_email/v1alpha1/types.gen.ts
@@ -271,6 +271,7 @@ export type ListDomainsRequest = {
   pageSize?: number
   projectId?: string
   status?: Array<DomainStatus>
+  organizationId?: string
 }
 
 export type RevokeDomainRequest = {