diff --git a/happydomain/api.py b/happydomain/api.py
index c506ebb..f9c3275 100644
--- a/happydomain/api.py
+++ b/happydomain/api.py
@@ -20,6 +20,9 @@ class HappyDomain:
         self.baseurl = scheme + "://" + host + ":" + str(port) + baseurl
         self.token = token
 
+        if self.token is not None:
+            self.session.headers.update({'Authorization': 'Bearer ' + self.token})
+
     def login(self, username, password):
         r = self.session.post(
             self.baseurl + "/api/auth",