diff --git a/cirro/api/auth/__init__.py b/cirro/api/auth/__init__.py
index b381bf76..73e492ef 100644
--- a/cirro/api/auth/__init__.py
+++ b/cirro/api/auth/__init__.py
@@ -1,3 +1,5 @@
+from io import StringIO
+from typing import Optional
 from cirro.api.auth.base import AuthInfo
 from cirro.api.auth.iam import IAMAuth
 from cirro.api.auth.oauth_client import ClientAuth
@@ -12,12 +14,13 @@
 from cirro.api.config import AppConfig
 
 
-def get_auth_info_from_config(app_config: AppConfig):
+def get_auth_info_from_config(app_config: AppConfig, auth_io: Optional[StringIO] = None):
     user_config = app_config.user_config
     if not user_config or not user_config.auth_method:
         return ClientAuth(region=app_config.region,
                           client_id=app_config.client_id,
-                          auth_endpoint=app_config.auth_endpoint)
+                          auth_endpoint=app_config.auth_endpoint,
+                          auth_io=auth_io)
 
     auth_methods = [
         ClientAuth,
@@ -33,7 +36,8 @@ def get_auth_info_from_config(app_config: AppConfig):
         return ClientAuth(region=app_config.region,
                           client_id=app_config.client_id,
                           auth_endpoint=app_config.auth_endpoint,
-                          enable_cache=auth_config.get('enable_cache') == 'True')
+                          enable_cache=auth_config.get('enable_cache') == 'True',
+                          auth_io=auth_io)
 
     if matched_auth_method == IAMAuth and auth_config.get('load_current'):
         return IAMAuth.load_current()
diff --git a/cirro/api/auth/oauth_client.py b/cirro/api/auth/oauth_client.py
index c956afbf..7dc0c848 100644
--- a/cirro/api/auth/oauth_client.py
+++ b/cirro/api/auth/oauth_client.py
@@ -1,3 +1,4 @@
+from io import StringIO
 import json
 import logging
 import sys
@@ -42,12 +43,15 @@ def _build_token_persistence(location, fallback_to_plaintext=False):
         return FilePersistence(location)
 
 
-def _authenticate(client_id: str, auth_endpoint: str):
+def _authenticate(client_id: str, auth_endpoint: str, auth_io: Optional[StringIO] = None):
     params = {'client_id': client_id}
     resp = requests.post(f'{auth_endpoint}/device-code', params=params)
     resp.raise_for_status()
     flow: DeviceTokenResponse = resp.json()
-    print(flow['message'])
+    if auth_io is None:
+        print(flow['message'])
+    else:
+        auth_io.write(flow['message'])
     device_expiry = datetime.fromisoformat(flow['expiry'])
 
     params = {
@@ -83,7 +87,14 @@ class ClientAuth(AuthInfo):
     Implements the OAuth device code flow
     This is the preferred way to authenticate
     """
-    def __init__(self, client_id: str, region: str, auth_endpoint: str, enable_cache=True):
+    def __init__(
+        self,
+        client_id: str,
+        region: str,
+        auth_endpoint: str,
+        enable_cache=True,
+        auth_io: Optional[StringIO] = None
+    ):
         self.client_id = client_id
         self.region = region
         self._token_info: Optional[OAuthTokenResponse] = None
@@ -107,7 +118,7 @@ def __init__(self, client_id: str, region: str, auth_endpoint: str, enable_cache
                 self._clear_token_info()
 
         if not self._token_info:
-            self._token_info = _authenticate(client_id=client_id, auth_endpoint=auth_endpoint)
+            self._token_info = _authenticate(client_id=client_id, auth_endpoint=auth_endpoint, auth_io=auth_io)
 
         self._save_token_info()
         self._update_token_metadata()
diff --git a/cirro/api/clients/portal.py b/cirro/api/clients/portal.py
index a9cb240f..34154671 100644
--- a/cirro/api/clients/portal.py
+++ b/cirro/api/clients/portal.py
@@ -4,16 +4,17 @@
 from cirro.api.clients import ApiClient
 from cirro.api.config import AppConfig
 from cirro.api.services import DatasetService, ProcessService, ProjectService, FileService, CommonService
+from io import StringIO
 
 
 class DataPortalClient:
     """
     A client for interacting with the Cirro platform
     """
-    def __init__(self, auth_info: Optional[AuthInfo] = None, base_url: str = None):
+    def __init__(self, auth_info: Optional[AuthInfo] = None, base_url: str = None, auth_io: Optional[StringIO] = None):
         self._configuration = AppConfig(base_url=base_url)
         if not auth_info:
-            auth_info = get_auth_info_from_config(self._configuration)
+            auth_info = get_auth_info_from_config(self._configuration, auth_io=auth_io)
 
         self._api_client = ApiClient(auth_info, data_endpoint=self._configuration.data_endpoint)
         self._file_service = FileService(self._api_client, self._configuration)
diff --git a/pyproject.toml b/pyproject.toml
index 7a468e11..e8ce24f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cirro"
-version = "0.7.2"
+version = "0.7.3"
 description = "CLI tool and SDK for interacting with the Cirro platform"
 authors = ["Cirro Bio <support@cirro.bio>"]
 license = "MIT"