The Recurly .NET Sample Code by Recurly presents how API interaction can integrate recurring billing into subscription applications. Coupon redemption, credit card numbers, and transaction tests are available on GitHub.
Telefonica, one of the largest telcos in Europe, announced Telenor (Norwegian-based carrier) as its first carrier partner for the BlueVia API platform. The first BlueVia API available to developers is billing services. In-app billing services remove the need for marketplaces like the Apple's app store or iTunes for mobile app purchases. Instead, consumers' purchases are added to their phone bills.
Facebook is partnering with cloud hosting service Heroku to
make Facebook application deployment more plug-and-play. The new service likely uses the Heroku API to allow developers to instantly have a basic Facebook app running in minutes instead of hours or days. Facebook's app wizard lets you choose from Heroku's supported languages, then pre-populates an app with working examples of common tasks using the Facebook API.