Welcome to Verge3D for WordPress sandbox! This sandbox provides a safe environment that you can use to test your Verge3D applications.
Link to the order form:
http://sandbox.soft8soft.com/order-form/
Links to the persistent file storage APIs:
http://sandbox.soft8soft.com/wp-json/verge3d/v1/upload_file/
http://sandbox.soft8soft.com/wp-json/verge3d/v1/get_file/
For more info about using this plug-in check out the the following topic in the Verge3D User Manual.