diff --git a/README.md b/README.md
index 5e1bc89..1d174c9 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,8 @@ options:
 API backend:
 
 - Currently: nc-dnsapi
+  - https://pypi.org/project/nc-dnsapi/
+  - https://github.com/nbuchwitz/nc_dnsapi
 - Alternatives:
   - https://github.com/johndoe31415/dnssync_nc