Work is currently in progress to develop an API for certain functionalities such as
A preview implementation anticipating the future payroll API is available in Germany for Sage Business Cloud Payroll Plus. This API is in production use today with partners in Germany and fully capable of satisfying their needs and use cases. It is represented here on this site and more details can be found in the documentation referenced below.
At this time, it does cover only a small subset of the future use cases listed above, so it will evolve further. Of course, we also strive to make this available in other countries as well. So stay tuned for updates!