How to create Websites via API

With Google Sheets + ApiPages.io you can create automatically Web Pages without writing any code when you add data in Google Sheets.

To demonstrate a possible use case for ApiPages.io I have written a post where I explain how to generate different web pages from the data of a Google Sheets:

How To Use ApiPages With Google Sheets To Auto Generate Web Pages

I would like to have feedback from developers...

Can you think of possible use cases where it would be useful to generate web pages through an API?