As the world shifts to computing on the cloud , or what my non tech friends call, lots of servers connected to the internet, APIs become increasingly the lingua franca or working language to communicate to and fro from these clouds. Storage in the cloud has been of the earliest use cases and one which has increasingly made sense to create secure backups at a much cheaper rate. So here is a collection of Cloud Storage APIs, as far as possible they are RESTful . Please note I am referring only to some of the biggest players in the cloud storage API space- and you may find others. But since the article is aimed at enterprise readers willing to park confidential content on the cloud, this is a list of the biggest cloud storage providers which offer API access.