diff --git a/src/openapi/fiko/fiko-crud.yaml b/src/openapi/fiko/fiko-crud.yaml
index 4a857e6..46a74ce 100644
--- a/src/openapi/fiko/fiko-crud.yaml
+++ b/src/openapi/fiko/fiko-crud.yaml
@@ -8,8 +8,9 @@ servers:
 paths:
   /fiko/transactionitems:
     post:
-      summary: Add a finanicial transaction item.
-      description: Add a finanicial transaction item.
+      summary: DEPRECATED. Add a finanicial transaction item.
+      description: DEPRECATED. This API is deprecated. Use bulk-insert instead.
+      deprecated: true
       tags:
         - External FIKO endpoints v2
       requestBody: