diff --git a/README.md b/README.md
index 794af3f..f64d5f3 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ sonilo text-to-music --prompt "warm lo-fi piano, rain" --duration 30
 
 ## Authentication
 
-Create an API key in your [Sonilo dashboard](https://platform.sonilo.com/dashboard/api-keys),
+Create an API key in your [Sonilo dashboard](https://platform.sonilo.com/dashboard/api-keys?utm_source=sonilo_python&utm_medium=readme&utm_campaign=sdk_quickstart),
 then give it to the client either as an environment variable (recommended) or
 inline: