diff --git a/modules/data/src/index.ts b/modules/data/src/index.ts
index a721e5caa4..34e08673f2 100644
--- a/modules/data/src/index.ts
+++ b/modules/data/src/index.ts
@@ -59,6 +59,7 @@ export { normalizeRoot } from './dataservices/http-url-generator';
 export {
   EntityCollectionDataService,
   HttpMethods,
+  HttpOptions,
   RequestData,
   QueryParams,
 } from './dataservices/interfaces';