diff --git a/env.example b/env.example
index 114cfd7..6699e45 100644
--- a/env.example
+++ b/env.example
@@ -20,3 +20,6 @@ POSTGRES_HOST=db
 # Traefik configuration variables
 LETSENCRYPT_EMAIL=your_email
 APP_DOMAIN=app.backend.dev
+
+# APIs
+ECHOSCIENCES_TOKEN=