app/controllers/doorkeeper/tokens_controller.rb
class Doorkeeper::TokensController < Doorkeeper::ApplicationController def create response.headers.merge!({ 'Pragma' => 'no-cache', 'Cache-Control' => 'no-store', }) if token.authorize render :json => token.authorization else render :json => token.error_response end end private def token @token ||= Doorkeeper::OAuth::AccessTokenRequest.new(params) end end