payment gateway integration with emberjs

I have build an eCommerce website using emberjs with ember-data-1.8.0.On Api side i am using Hapijs. I have integrated Payu payment gateway with it,but i am not able to handle response send by payu.After payment payu send a post response to given route of ember, but How will i handle this response and will get all payload so i can send request to my hapi server. i have no clue how to do it, if there is some doc or example of integrating payment gateway and emberjs, please mention it also. Thanks