The application is posting a coupon from the site to this path and getting a 503. I do not know where this folder is in the application so I can troubleshoot. Can someone please advise? Thank you.

1 Answer 1


It's actually pointing to a controller. The controller can be found in app/code/core/Mage/Checkout/controllers/CartController.php in your Magento root.

  • Thank you. I don't understand the logic of the file paths. Is there a resource you can point me to so I can learn how the structure works? Thank you again.
    – Michael
    Jul 23, 2015 at 20:34
  • This is a good tutorial, but only covers admin controllers. Should help though. smashingmagazine.com/2014/03/… Jul 23, 2015 at 20:35
  • Thank you. So, where can I find all the logic for a page on the frontend at example.com/shop/giftcard-balance. It's broke and I need to hunt down why and I think it's an API password that changed.
    – Michael
    Jul 23, 2015 at 20:39

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