Our use case is that we want to extract automatically events from the calendar at frequent intervals to put into our web pages and html newsletters . For what we expect, please see
https://iii.com/wp-content/uploads/2025/11/VEGA-Program-FactSheet.pdf, which says:

Full API and RSS feed generator
Our full API and RSS feed generator lets you incorporate programs and room booking information in a visual way on your web pages, blog posts, html newsletters, digital signage and more