We’ve released a number of new APIs to help you –
- Push browser notifications to your users
Push Browser Notifications 
Push browser notifications (on Chrome, Firefox, etc.) to specific users. - Check availability, schedule, update and cancel tasks
Get Available Slots of Users by Id 
Gives you the availability details of multiple users based on user Id.Get Available Slots of Users by Email Address 
Gives you the availability details of multiple users based on email address.Get Appointments by Search Criteria 
Retrieves appointments of users through user advanced search.Get Appointments by User Id 
Retrieves appointments of users by user Id.Get Appointments by Email Address 
Retrieves appointments of users by email address.Get To-Dos by Search Criteria 
Retrieves to-dos of users through user advanced search.Get To-Dos by User Id 
Retrieves to-dos of users by user Id.Get To-Dos by Email Address 
Retrieves to-dos of users by email address.Bulk Update Appointment Timings 
Update the timings of multiple appointments in one go.Bulk Update Appointment Timings by Minutes 
Postpone appointments by any number of minutes.Bulk Update Appointment Timings by Hours 
Postpone appointments by any number of hours.Cancel Appointments in Bulk 
Cancel multiple appointments in one go.