API Versioning in the Cloud by Travis McChesney, Senior Developer Cloud Elements, SlideShare  http:/goo.gl/RpifW 

About Cloud Elements

With Cloud Elements, developers and enterprises leverage reusable ‘Elements’ to build cloud applications faster by dramatically reducing the time required to integrate, monitor and maintain leading PaaS and SaaS cloud services. Cloud Elements leverages partnerships with leading vendors including SendGrid, Twilio, Box, Authorize.net and salesforce.com to accelerate the integration, management and monitoring of popular services used in building cloud applications. Cloud Elements is a tool built by developers for developers and is based on the highly scalable Cloud Foundry PaaS platform. The company provides a unique blend of technology with cloud application integration consultants available to assist companies in accelerating the build and deployment of their applications. Customers focus on building unique business functionality while Cloud Elements integrates and maintains the third-party services needed to build applications in a fraction of the time. More information can be found at www.cloud-elements.com.