diff --git a/atst/api_client.py b/atst/api_client.py
index 5b720244..ded3f2f7 100644
--- a/atst/api_client.py
+++ b/atst/api_client.py
@@ -5,8 +5,10 @@ from json import dumps, loads
 
 class ApiClient(object):
 
-    def __init__(self, base_url, validate_cert=True):
+    def __init__(self, base_url, api_version=None, validate_cert=True):
         self.base_url = base_url
+        if api_version:
+            self.base_url = f'{base_url}/api/{api_version}'
         self.client = AsyncHTTPClient()
         self.validate_cert = validate_cert
 
diff --git a/atst/app.py b/atst/app.py
index 67807122..e46ab4ea 100644
--- a/atst/app.py
+++ b/atst/app.py
@@ -72,9 +72,9 @@ def make_deps(config):
     # we do not want to do SSL verify services in test and development
     validate_cert = ENV == 'production'
     return {
-        'authz_client': ApiClient(config["default"]["AUTHZ_BASE_URL"], validate_cert=validate_cert),
-        'authnid_client': ApiClient(config["default"]["AUTHNID_BASE_URL"], validate_cert=validate_cert),
-        'requests_client': ApiClient(config["default"]["REQUESTS_QUEUE_BASE_URL"], validate_cert=validate_cert)
+        'authz_client': ApiClient(config["default"]["AUTHZ_BASE_URL"], api_version='v1', validate_cert=validate_cert),
+        'authnid_client': ApiClient(config["default"]["AUTHNID_BASE_URL"], api_version='v1', validate_cert=validate_cert),
+        'requests_client': ApiClient(config["default"]["REQUESTS_QUEUE_BASE_URL"], api_version='v1', validate_cert=validate_cert)
     }
 
 
diff --git a/atst/handlers/login.py b/atst/handlers/login.py
index 3a141340..51f4fec5 100644
--- a/atst/handlers/login.py
+++ b/atst/handlers/login.py
@@ -25,7 +25,7 @@ class Login(BaseHandler):
     def _validate_login_token(self, token):
         try:
             response = yield self.authnid_client.post(
-                "/api/v1/validate", json={"token": token}
+                "/validate", json={"token": token}
             )
             return response.code == 200