> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # SessionCostResponse ## Example Usage ```typescript theme={null} import { SessionCostResponse } from "@openrouter/sdk/models"; let value: SessionCostResponse = { data: [], meta: { asOf: "2026-05-12T02:00:00.000Z", version: "v1", windowDays: 30, windowEndDate: "2026-05-11", }, }; ``` ## Fields | Field | Type | Required | Description | | ------ | ---------------------------------------------------------- | -------------------- | ----------- | | `data` | [models.SessionCostItem](../models/sessioncostitem.mdx)\[] | :heavy\_check\_mark: | N/A | | `meta` | [models.SessionCostMeta](../models/sessioncostmeta.mdx) | :heavy\_check\_mark: | N/A |