Create api/v1/bounces endpoint

app/controllers/api/v1/bounces_controller.rb

@@ -0,0 +1,12 @@
+module Api
+  module V1
+    class BouncesController < BaseController
+      before_action :authenticate
+
+      def create
+        bounced_mail_address = BouncedMailAddress.record(json)
+        bounced_mail_address ? render(head: :ok) : render(head: :failed)
+      end
+    end
+  end
+end

config/routes.rb

@@ -64,6 +64,7 @@ Rails.application.routes.draw do
       end
 
       resources :auctions, only: %i[index show update], param: :uuid
+      resources :bounces, only: %i[create]
     end
 
     match '*all', controller: 'cors', action: 'cors_preflight_check', via: [:options],