The PayPal C# Sample Code by PayPal displays how to access data from the API to implement payment features into web services and mobile applications. Examples available include authorization, billing agreement, credit card, refund, and invoice.
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.
Thirteen APIs have been added to the ProgrammableWeb directory in categories including Payments, Semantic Web, Augmented Reality, Bitcoin and Chat. One highlight featured today is the Aerospike API which integrates applications with a NoSQL database. Here's a look at what's new.