The style editor service can be utilized to edit element properties within a given style. This service allows some advanced customization options that are not provided in the user interface. The web service for style editing allows you to insert element properties that are not present in the interface by creating new elements using the service.
In order to utilize this service, you will need an AuthToken from the authentication service, and you will need access to the surveys that you want to create invitations for within Checkbox.
Style Editor Endpoint: https://[yourdomain]/services/styleeditorservice.svc