diff --git a/Technical-changes-in-Piwigo-16.md b/Technical-changes-in-Piwigo-16.md
index 734cb0f..2260a36 100644
--- a/Technical-changes-in-Piwigo-16.md
+++ b/Technical-changes-in-Piwigo-16.md
@@ -63,6 +63,10 @@ To this:
   );
 ```
 
+## API Key
+
+You can find more details [on our github wiki](https://github.com/Piwigo/Piwigo/wiki/Piwigo-Web-API#api-key-authentication).
+
 ## Smarty 5
 
 On `foreach` the `item=` and `key=` parameters must be followed by `varialbe_name`, not `$variable_name`. Replace: