Braintree — an online payments processor — aims to have a developer-friendly API for integration and touts excellent customer service as one of their strengths.
I have been on the phone with these guys several times this week as I integrate our subscriptions at GreenWizard more tightly with Braintree for better reporting. Every interaction with the support staff at Braintree has been quick, pleasant and helpful, and each episode left me happy to have chosen Braintree as our payment gateway.
BT guys, if you’re reading this, feel free to use this as a happy customer testimonial. Keep up the good work. Your sandbox is also a pleasure to work with (unlike a major gateway who’s name rhymes with paypal).