The Authorize.net PHP SDK by Authorize.net allows to implement API authorization features into applications, useful to verify payments with credit cards. Developers can benefit from the three steps available on the official site, that include to import the SDK, create a new PHP file for a transaction, and run the program.
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.