How to build an application that directly access to the stick?

Is there any way to build an application that store diretcly to the stick without having to install an application or driver? Is the api public?

They do not have any developer program for the wireless stick. they do have a deveoper program for the iXpand drive. If you can use a different product check the link below and see if that may work for you. 

https://developer.sandisk.com/hardware/flash-drive.html