Any software application having a requirement to accept payments will most likely need to integrate a credit card payment integration solution. Even applications with a subscription model will likely do so, even though ACH processing lends itself very nicely to models with a recurring payment component. The fact of the matter is that credit cards are the go-to payment modal in the card not present space. If you are part of a team on a SaaS payments project, here are some key areas that you should explore.