diff --git a/projects/gandi/src/gandi/client.py b/projects/gandi/src/gandi/client.py
index 9de8052..cedbefd 100644
--- a/projects/gandi/src/gandi/client.py
+++ b/projects/gandi/src/gandi/client.py
@@ -20,7 +20,7 @@ class GandiAPI(object):
 
     """
 
-    def __init__(self, key=None, use_cache=True):
+    def __init__(self, key: str, use_cache: bool =True):
         self._base = "https://dns.api.gandi.net/api/v5"
         self._key = key
         self._use_cache = use_cache
@@ -30,7 +30,7 @@ class GandiAPI(object):
 
     def _do_request(self, method, path, headers=None, **kwargs):
         headers = headers or {}
-        headers["X-Api-Key"] = self._key
+        headers["Authorization"] = "Bearer " + self._key
         resp = method(self._base + path, headers=headers, **kwargs)
         if resp.status_code > 299:
             print(resp.text)