diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 75f7187..616ff5a 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -7,4 +7,11 @@ class ApplicationController < ActionController::Base
   end
   def index
   end
+
+  # Por ahora hacer un echo de cada transacción
+  #
+  # @see {https://docutopia.tupale.co/sutty:nodemecu:api}
+  def transactions
+    render plain: params[:transaction_uuid], status: :ok
+  end
 end
diff --git a/config/routes.rb b/config/routes.rb
index be7de5c..79813eb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -5,4 +5,6 @@ Rails.application.routes.draw do
     resources :measurements, only: [:create]
   end
   mount Blazer::Engine, at: 'blazer'
+
+  post :transactions, to: 'application#transactions'
 end