Contributions — get, create/update (bulk upsert), and clear time allocations.
Contributor ↔ Work associations — create, list (by contributor or by work), and delete assignment links.
Non-project work items — create, list, get by ID, and update custom work items.

Preview features are deemed stable; however, they remain under active development and may be subject to shorter deprecation windows. Preview features are suitable for early adopters in production environments.

See Getting started for more information.