diff --git a/pkg/api/controllers/swagger.yaml b/pkg/api/controllers/swagger.yaml
index fde4934af..c41bedd25 100644
--- a/pkg/api/controllers/swagger.yaml
+++ b/pkg/api/controllers/swagger.yaml
@@ -165,6 +165,11 @@ paths:
           required: true
           schema:
             type: string
+        - name: preview
+          in: query
+          description: Preview mode
+          schema:
+            type: boolean
       requestBody:
         description: script
         content:
@@ -479,6 +484,8 @@ components:
           enum:
             - INTERNAL
             - INSUFFICIENT_FUND
+            - COMPILATION_FAILED
+            - NO_SCRIPT
         error_message:
           type: string
         transaction: