diff --git a/packages/types/src/misc.ts b/packages/types/src/misc.ts
index 8018e61c..fcd7bce6 100644
--- a/packages/types/src/misc.ts
+++ b/packages/types/src/misc.ts
@@ -4,6 +4,7 @@ export type APIDefinition = {
   name: string; // Must match name on SmartAPI registry
   infores?: string; // infores of API
   primarySource?: boolean;
+  includeFlipped?: boolean; // Automatically generate flipped MetaEdges (TRAPI only)
 } & ({ id: string } | { infores: string });
 
 export interface APIList {
diff --git a/packages/types/src/trapi.ts b/packages/types/src/trapi.ts
index 8e0fc305..af8549a3 100644
--- a/packages/types/src/trapi.ts
+++ b/packages/types/src/trapi.ts
@@ -67,12 +67,12 @@ export interface TrapiAttribute {
   value_type_id?: string;
   attribute_source?: string | null;
   value_url?: string | null;
-  attributes?: TrapiAttribute;
+  attributes?: TrapiAttribute[];
   [additionalProperties: string]:
   | string
   | string[]
   | null
-  | TrapiAttribute
+  | TrapiAttribute[]
   | number
   | number[];
 }