diff --git a/docs/docs/API-docs/opensign.yaml b/docs/docs/API-docs/opensign.yaml
index 2dbf08507..0d73c0b4e 100644
--- a/docs/docs/API-docs/opensign.yaml
+++ b/docs/docs/API-docs/opensign.yaml
@@ -14,9 +14,9 @@ externalDocs:
   description: Find out more about OpenSign
   url: http://docs.opensignlabs.com
 servers:
+- url: https://sandbox.opensignlabs.com/api/v1
 - url: https://app.opensignlabs.com/api/v1
 - url: https://staging-app.opensignlabs.com/api/v1
-- url: https://sandbox.opensignlabs.com/api/v1
 tags:
 - name: OpenSign
   description: OpenSource DocuSign alternative