---
title: "CreatePresetsMessagesRequest"
---

## Fields

| Field                                                                                                                                                             | Type                                                                                                                                                              | Required                                                                                                                                                          | Description                                                                                                                                                       | Example                                                                                                                                                           |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `http_referer`                                                                                                                                                    | *Optional[str]*                                                                                                                                                   | :heavy_minus_sign:                                                                                                                                                | The app identifier should be your app's URL and is used as the primary identifier for rankings.<br/>This is used to track API usage per application.<br/>         |                                                                                                                                                                   |
| `x_open_router_title`                                                                                                                                             | *Optional[str]*                                                                                                                                                   | :heavy_minus_sign:                                                                                                                                                | The app display name allows you to customize how your app appears in OpenRouter's dashboard.<br/>                                                                 |                                                                                                                                                                   |
| `x_open_router_categories`                                                                                                                                        | *Optional[str]*                                                                                                                                                   | :heavy_minus_sign:                                                                                                                                                | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.<br/>                                                        |                                                                                                                                                                   |
| `slug`                                                                                                                                                            | *str*                                                                                                                                                             | :heavy_check_mark:                                                                                                                                                | URL-safe slug identifying the preset. Created if it does not exist.                                                                                               | my-preset                                                                                                                                                         |
| `messages_request`                                                                                                                                                | [components.MessagesRequest](../components/messagesrequest.mdx)                                                                                                    | :heavy_check_mark:                                                                                                                                                | N/A                                                                                                                                                               | \{<br/>"max_tokens": 1024,<br/>"messages": [<br/>\{<br/>"content": "Hello, how are you?",<br/>"role": "user"<br/>}<br/>],<br/>"model": "anthropic/claude-4.5-sonnet-20250929",<br/>"temperature": 0.7<br/>} |