diff --git a/lib/vero/api/base_api.rb b/lib/vero/api/base_api.rb
index d716b6d..0227eef 100644
--- a/lib/vero/api/base_api.rb
+++ b/lib/vero/api/base_api.rb
@@ -11,8 +11,7 @@ class BaseAPI
         attr_reader :options
 
         def self.perform(domain, options)
-          caller = new(domain, options)
-          caller.perform
+          new(domain, options).perform
         end
 
         def initialize(domain, options)
@@ -42,7 +41,13 @@ def proxy.<<(message)
           end
         end
 
-        def url; end
+        def url
+          "#{@domain}/api/v2/#{api_url}"
+        end
+
+        def api_url
+          raise NotImplementedError
+        end
 
         def validate!
           raise "#{self.class.name}#validate! should be overridden"
diff --git a/lib/vero/api/events/track_api.rb b/lib/vero/api/events/track_api.rb
index 9c54911..aea63b0 100644
--- a/lib/vero/api/events/track_api.rb
+++ b/lib/vero/api/events/track_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Events
         class TrackAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/events/track.json"
+          def api_url
+            'events/track.json'
           end
 
           def request
diff --git a/lib/vero/api/users/edit_api.rb b/lib/vero/api/users/edit_api.rb
index c0426fe..ff98f96 100644
--- a/lib/vero/api/users/edit_api.rb
+++ b/lib/vero/api/users/edit_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class EditAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/edit.json"
+          def api_url
+            'users/edit.json'
           end
 
           def request
diff --git a/lib/vero/api/users/edit_tags_api.rb b/lib/vero/api/users/edit_tags_api.rb
index bce1994..25d81d0 100644
--- a/lib/vero/api/users/edit_tags_api.rb
+++ b/lib/vero/api/users/edit_tags_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class EditTagsAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/tags/edit.json"
+          def api_url
+            'users/tags/edit.json'
           end
 
           def request
diff --git a/lib/vero/api/users/reidentify_api.rb b/lib/vero/api/users/reidentify_api.rb
index cb22397..e2e6d56 100644
--- a/lib/vero/api/users/reidentify_api.rb
+++ b/lib/vero/api/users/reidentify_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class ReidentifyAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/reidentify.json"
+          def api_url
+            'users/reidentify.json'
           end
 
           def request
diff --git a/lib/vero/api/users/resubscribe_api.rb b/lib/vero/api/users/resubscribe_api.rb
index 9ac6ba8..ae19c16 100644
--- a/lib/vero/api/users/resubscribe_api.rb
+++ b/lib/vero/api/users/resubscribe_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class ResubscribeAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/resubscribe.json"
+          def api_url
+            'users/resubscribe.json'
           end
 
           def request
diff --git a/lib/vero/api/users/track_api.rb b/lib/vero/api/users/track_api.rb
index 41b1f10..0eeaa12 100644
--- a/lib/vero/api/users/track_api.rb
+++ b/lib/vero/api/users/track_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class TrackAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/track.json"
+          def api_url
+            'users/track.json'
           end
 
           def request
diff --git a/lib/vero/api/users/unsubscribe_api.rb b/lib/vero/api/users/unsubscribe_api.rb
index 7ed6b3d..f02df1b 100644
--- a/lib/vero/api/users/unsubscribe_api.rb
+++ b/lib/vero/api/users/unsubscribe_api.rb
@@ -5,8 +5,8 @@ module Api
     module Workers
       module Users
         class UnsubscribeAPI < BaseAPI
-          def url
-            "#{@domain}/api/v2/users/unsubscribe.json"
+          def api_url
+            'users/unsubscribe.json'
           end
 
           def request