We've added new CMS endpoints to create, update, and delete live CMS items to maintain parity with API v1.

Data API - v2 Beta

What's New

POST /collections/{collection_id}/items/live

Create Collection Item (Live)

DELETE /collections/{collection_id}/items/{item_id}/live

Delete Collection Item (Live)

PATCH /collections/{collection_id}/items/{item_id}/live

Update Collection Item (Live)