APIs for Infor Hospitality Management Solution?

Hi all, new to the forum/Infor. I'm here because a customer is using Infor Hospitality Management Solution (HMS). Looking through this dev portal/site and searching the forum I can't find anything mentioning the word Hotel or Hospitality.

Two questions:

1) Is anyone familiar with the Infor Hospitality products? Can you share any resources/info re the APIs available for Infor HMS?

2) some of the APIs seem rather abstracted away from the product (ie, Notification Service) - would any of these APIs be used for/relevant to the Infor HMS product? Any advice on how to learn what APIs the HMS solution utilizes/is built on top of or how to get a general idea of how Infor's cloud services are architected?

Thanks,
Alex