diff --git a/src/app/api/do/actions.tsx b/src/app/api/do/actions.tsx
index 56cc069..36f7853 100644
--- a/src/app/api/do/actions.tsx
+++ b/src/app/api/do/actions.tsx
@@ -40,6 +40,10 @@ export interface DoDetailLine {
   uomCode?: string;
   uom?: string;
   shortUom?: string;
+  /** AVAILABLE lot lines: sum(in - out - hold), same unit as DO line qty. */
+  stockQty?: number;
+  /** `available` | `insufficient` */
+  availableStatus?: string;
 }
 
 export interface DoSearchAll {
diff --git a/src/app/api/do/index.tsx b/src/app/api/do/index.tsx
index 80b5569..de5b8fb 100644
--- a/src/app/api/do/index.tsx
+++ b/src/app/api/do/index.tsx
@@ -38,6 +38,8 @@ export interface DoDetailLine {
   uomCode?: string;
   uom?: string;
   shortUom?: string;
+  stockQty?: number;
+  availableStatus?: string;
 }