SpiderOak APIs
At SpiderOak we are committed to being as flexible as possible to extend your experience with the product. As such, these aren't for the casual user, but instead the partner or developer looking to more tightly integrate with our services.
Web/Mobile API
This is the API we use to implement our web storage access, ShareRooms, and our open-source mobile client.
Original announcement here
Spec for version 1.2 here
AccountsAPI
Programmatically create SpiderOakONE accounts, and manage your White Label or SpiderOak Groups accounts through this API.
Documentation can be found here.