Connect OpenCart With Authorize.net RECURRING PAYMENTS for subcription Website (Urgent)

PLEASE READ: this must be done within the next few hours! The Project is based in the US. We started a subscription-based website using OpenCart because of a small budget. The website is [login to view URL], after subscribing, users can get 3 dresses delivered at the same time. We built this whole system and we should be ready to launch soon. There are still a couple of bugs and errors we are having which we will also need you to test and make sure everything works. The main thing we want right now is to add recurring payment with [login to view URL] to the SUBSCRIPTION account. Basically there is a free account (which you can login with facebook only) and then you can subscribe and become a paying member. Right now we have it set up with PayPal, but we signed up with [login to view URL] and they have a recurring payment system. Once the customer makes the payment, then the account becomes a paying account and they can use the site. This must be done asap as we are trying to launch today. Thanks and good luck!