You Can Also Connect Authorize.Net or Postmark With 1400+ Other Apps
Authorize.Net
Authorize.net is a leading provider of e-commerce, mobile and IP payments. We enable businesses of all sizes to accept credit cards, electronic checks and other payment methods securely through a single integration.
Postmark is a supercharge for your app's email. It connects directly to your application and takes care of sending, receiving and storing emails on your behalf. It's fast, easy to use and has amazing customer support.