Hi,
I want you to know that Salon Booking System plugin from the 3.25 version is equipped with full set of API.
Our API can be used to make your own platform to communicate with Salon Booking System plugin installed on your WordPress website that can be used as the back-end engine of your own mobile app, or for your custom platform.
Here the list of the API available:
common api https://app.swaggerhub.com/
mobile api https://app.swaggerhub.com/