diff --git a/apis/shopper-customers-oas-1.1.2/shopper-customers-oas-v1-public.yaml b/apis/shopper-customers-oas-1.1.2/shopper-customers-oas-v1-public.yaml
index da507670..6c2154fc 100644
--- a/apis/shopper-customers-oas-1.1.2/shopper-customers-oas-v1-public.yaml
+++ b/apis/shopper-customers-oas-1.1.2/shopper-customers-oas-v1-public.yaml
@@ -600,6 +600,7 @@ paths:
         - $ref: '#/components/parameters/until'
         - $ref: '#/components/parameters/status'
         - $ref: '#/components/parameters/siteId'
+        - $ref: '#/components/parameters/expand'
         - name: limit
           in: query
           required: false
@@ -4958,6 +4959,14 @@ components:
       required: false
       schema:
         type: string
+    expand:
+      name: expand
+      in: query
+      description: Expand options for the order.
+      required: false
+      example: oms
+      schema:
+        type: string
     paymentInstrumentId:
       name: paymentInstrumentId
       in: path
diff --git a/apis/shopper-orders-oas-1.5.1/shopper-orders-oas-v1-public.yaml b/apis/shopper-orders-oas-1.5.1/shopper-orders-oas-v1-public.yaml
index 047bca48..08a081e3 100644
--- a/apis/shopper-orders-oas-1.5.1/shopper-orders-oas-v1-public.yaml
+++ b/apis/shopper-orders-oas-1.5.1/shopper-orders-oas-v1-public.yaml
@@ -114,6 +114,7 @@ paths:
         - $ref: '#/components/parameters/organizationId'
         - $ref: '#/components/parameters/siteId'
         - $ref: '#/components/parameters/locale'
+        - $ref: '#/components/parameters/expand'
       responses:
         '200':
           description: Success, the response body contains the order.
@@ -2468,6 +2469,14 @@ components:
       required: true
       schema:
         $ref: '#/components/schemas/PaymentInstrumentId'
+    expand:
+      name: expand
+      in: query
+      description: Expand options for the order.
+      required: false
+      example: oms
+      schema:
+        type: string
   examples:
     OrderPost:
       value: