> ## 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 |