Hi Nathaniel,
I see this is an old post, but I am also curious to know how long would it take to add a new Payment Gateway to the ActiveMerchant library, assuming we build the gateway classes and submit a 100% working code to the GIT.
We are working with a company interested to integrate INTERAC Online, and we have to do it through the ActiveMerchant library due to policies on one the ThirdParty Provider.
We are evaluating if we can offer a solution to this merchant, build the libraries and bring him online. But for doing this, we need to know some timeframes estimates.