diff --git a/src/authorization/authorization.spec.ts b/src/authorization/authorization.spec.ts
index ff27f8ae4..5679caa5f 100644
--- a/src/authorization/authorization.spec.ts
+++ b/src/authorization/authorization.spec.ts
@@ -706,6 +706,28 @@ describe('Authorization', () => {
   });
 
   describe('createResource', () => {
+    it('creates a resource without a parent', async () => {
+      fetchOnce(authorizationResourceFixture, { status: 201 });
+
+      await workos.authorization.createResource({
+        organizationId: testOrgId,
+        resourceTypeSlug: 'document',
+        externalId: 'doc-456',
+        name: 'Q4 Budget Report',
+      });
+
+      const body = fetchBody();
+      expect(body).toEqual({
+        organization_id: testOrgId,
+        resource_type_slug: 'document',
+        external_id: 'doc-456',
+        name: 'Q4 Budget Report',
+      });
+      expect(body).not.toHaveProperty('parent_resource_id');
+      expect(body).not.toHaveProperty('parent_resource_external_id');
+      expect(body).not.toHaveProperty('parent_resource_type_slug');
+    });
+
     it('creates an authorization resource with all fields', async () => {
       fetchOnce(authorizationResourceFixture, { status: 201 });
 
diff --git a/src/authorization/interfaces/authorization-resource.interface.ts b/src/authorization/interfaces/authorization-resource.interface.ts
index cc75a5c80..51cfc6d0f 100644
--- a/src/authorization/interfaces/authorization-resource.interface.ts
+++ b/src/authorization/interfaces/authorization-resource.interface.ts
@@ -42,6 +42,7 @@ export interface CreateOptionsWithParentExternalId extends BaseCreateAuthorizati
 }
 
 export type CreateAuthorizationResourceOptions =
+  | BaseCreateAuthorizationResourceOptions
   | CreateOptionsWithParentResourceId
   | CreateOptionsWithParentExternalId;