usage
Per-provider/model usage breakdown for the caller, ordered by total tokens.
GET
Per-provider/model usage breakdown for the caller, ordered by total tokens.
Query Parameters
Page size (default: 50).
Page offset (default: 0).
Case-insensitive substring filter: on the agent name for by-agent,
on the model name for by-model. Omitted or empty matches everything.
Look-back window in days (default: 30).
