# Observability > Token metrics and tool timelines for sessions ## Get Tool Timeline Endpoint `GET /observability/sessions/{session_id}/tools` Get tool execution timeline for a session. **Parameters:** - `session_id` (path) (required): string - `limit` (query): integer - `include_blocked` (query): boolean ## Get Token Metrics Endpoint `GET /observability/sessions/{session_id}/tokens` Get token usage metrics for a session. **Parameters:** - `session_id` (path) (required): string - `include_records` (query): boolean