This API is used to cancel an existing appointment in the Salonist system.

URL: https://salonist.io/webapi/appointment_changestatus
Method: POST
Parameters:

• domainId: The unique domain ID associated with the Salonist account.

• salonsaleId: The ID of the appointment (or salon sale) whose status is to be changed.

• statusId: The new status ID to set for the appointment. This could represent "Cancelled"

• message: An optional message to add additional context or reason for changing the status.

Response:
This request updates the status of the specified appointment. The status could be changed to cancelled. The response will indicate whether the status change was successful and may provide additional details if needed.