What payment gateways do you use for your app?
perplexes: Wish we were using BrainTree, as evidenced by a coworker exclaiming that he found a bug in their dev sandbox, and they fixed it in a few minutes and sent him a nice email thanking him. So, anecdotally, they sound great.Authorize.Net is otherwise stable, though poorly documented, and works when their datacenter isn't on fire.