diff --git a/includes/api/class-wc-api-resource.php b/includes/api/class-wc-api-resource.php
index 4063f2fa8ec..cc85fc11ad5 100644
--- a/includes/api/class-wc-api-resource.php
+++ b/includes/api/class-wc-api-resource.php
@@ -204,7 +204,7 @@ class WC_API_Resource {
 			$args['post__in'] = explode( ',', $request_args['in'] );
 			unset( $request_args['in'] );
 		}
-		
+
 		// exclude by a list of post id
 		if ( ! empty( $request_args['not_in'] ) ) {
 			$args['post__not_in'] = explode( ',', $request_args['not_in'] );
diff --git a/includes/api/v2/class-wc-api-resource.php b/includes/api/v2/class-wc-api-resource.php
index 293ace62390..00a1669de52 100644
--- a/includes/api/v2/class-wc-api-resource.php
+++ b/includes/api/v2/class-wc-api-resource.php
@@ -205,6 +205,11 @@ class WC_API_Resource {
 			unset( $request_args['in'] );
 		}
 
+		// filter by a list of post id
+		if ( ! empty( $request_args['in'] ) ) {
+			$args['post__in'] = explode( ',', $request_args['in'] );
+			unset( $request_args['in'] );
+		}
 
 		// resource page
 		$args['paged'] = ( isset( $request_args['page'] ) ) ? absint( $request_args['page'] ) : 1;