Best API for All First Posts in a Category

[blake (Blake Erickson)]

@John_Lehmann

topic event would include changes to the OP

It should trigger for changes. The description for it says:

When there is a new topic, revised, changed, or deleted.

@simonk

Could you write a data-explorer query that returns the data that you want, and then execute that query via the API?

Yes, that is great option!