Google recently improved its collection Android Pay APIs in a bid to boost adoption. Importantly, the APIs are now easier than ever to integrate into web sites and apps. Google says a few lines of code can add Android Pay as an option during checkout, giving consumers another avenue for paying.
Without the dot, "cardio" is Rule #1 in Zombieland. With the dot, card.io is PayPal's latest acquisition: the startup formerly known as Lumber Labs, whose technology allows developers to integrate credit card payments into any iOS or Android app with no additional hardware.