Pagination

Lists add:

{ "page": { "cursor": null, "has_more": false } }

Pass limit and cursor. limit defaults to 50 and is capped at 200. There is no offset.

cursor is null when there is no next page. Send the returned cursor as cursor on the next request.

Call and usage reads also require from and to, ISO-8601 UTC with a Z suffix. Those windows are part of the query, not a substitute for the cursor.