List the caller's notes. folder_id="" lists notes with no folder; omit it to list across all folders. status is "active" or "trashed". Locked notes are included but their body is withheld (null).

Get a single note by id. Fails with 403 if it isn't owned by the caller, 404 if it doesn't exist.

Full-text search over the caller's active notes' titles and body text. Locked notes only match on title (their body is never substring-matched, so a search hit can't leak hidden content).

Aggregate stats: total active notes, total storage bytes used, pinned-note count, and a created-at histogram by day.

List who a note (owned by the caller) has been shared with.

List notes that have been shared with the caller by someone else (received copies), most recently shared first.

List the caller's notebooks/folders.

Get a single folder by id.

List every tag used across the caller's active notes.