1 files changed, 1 insertions, 0 deletions
diff --git a/index.d.ts b/index.d.ts
index b7a39fc..4b5faa3 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -466,6 +466,7 @@ declare namespace SendGrid {
         emptyRequest(): SendGrid.Rest.Request;
 
         API(request: SendGrid.Rest.Request, callback: (response: SendGrid.Rest.Response) => void): void;
+        API(request: SendGrid.Rest.Request): PromiseLike<SendGrid.Rest.Response>;
     }
 }