> ## 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. # GetSessionCostRequest ## Example Usage ```typescript theme={null} import { GetSessionCostRequest } from "@openrouter/sdk/models/operations"; let value: GetSessionCostRequest = {}; ``` ## Fields | Field | Type | Required | Description | Example | | --------------- | ------------------------------------------------------------- | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------- | | `httpReferer` | *string* | :heavy\_minus\_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.
This is used to track API usage per application.
| | | `appTitle` | *string* | :heavy\_minus\_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.
| | | `appCategories` | *string* | :heavy\_minus\_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.
| | | `appSlug` | *string* | :heavy\_minus\_sign: | Filter to one published harness slug. | hermes-agent | | `model` | *string* | :heavy\_minus\_sign: | Exact model permaslug filter. Works across all harness apps. | anthropic/claude-4.8-opus | | `turnRange` | [operations.TurnRange](../../models/operations/turnrange.mdx) | :heavy\_minus\_sign: | Filter by the inclusive number of turns in a session. | 10-49-turns | | `limit` | *number* | :heavy\_minus\_sign: | Maximum number of cells to return (1-500). Defaults to 100. | 100 | | `offset` | *number* | :heavy\_minus\_sign: | Number of sorted cells to skip (0-5000). Defaults to 0. | 0 |