> ## 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.

# CreateResponsesRequest

## Example Usage

```typescript theme={null}
import { CreateResponsesRequest } from "@openrouter/sdk/models/operations";

let value: CreateResponsesRequest = {
  responsesRequest: {},
};
```

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `httpReferer` | *string* | ➖ | 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* | ➖ | The app display name allows you to customize how your app appears in OpenRouter's dashboard.  | |
| `appCategories` | *string* | ➖ | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.  | |
| `xOpenRouterMetadata` | [models.MetadataLevel](../../models/metadatalevel.mdx) | ➖ | Opt-in to surface routing metadata on the response under `openrouter_metadata`. Defaults to `disabled`. The legacy header `X-OpenRouter-Experimental-Metadata` is also accepted for backward compatibility. | enabled |
| `responsesRequest` | [models.ResponsesRequest](../../models/responsesrequest.mdx) | ✔️ | N/A | \{ "input": \[ \{ "content": "Hello, how are you?", "role": "user", "type": "message" } ], "model": "anthropic/claude-4.5-sonnet-20250929", "temperature": 0.7, "tools": \[ \{ "description": "Get the current weather in a given location", "name": "get\_current\_weather", "parameters": \{ "properties": \{ "location": \{ "type": "string" } }, "type": "object" }, "type": "function" } ], "top\_p": 0.9 } |