diff --git a/api.yaml b/api.yaml
index 6ba8b46..e8b2efc 100644
--- a/api.yaml
+++ b/api.yaml
@@ -48576,6 +48576,7 @@ components:
         - INVOICE_EXPIRED
         - CANCELED
         - FORCE_FAILED
+        - PAYMENT_ALREADY_EXISTS
     PaymentInfo:
       title: PaymentInfo
       type: object