> ## 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.

# ExchangeAuthCodeForAPIKeyRequest

## 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 />                                                 |                                                                                                                                                                  |
| `request_body`             | [operations.ExchangeAuthCodeForAPIKeyRequestBody](../operations/exchangeauthcodeforapikeyrequestbody.mdx) | :heavy\_check\_mark: | N/A                                                                                                                                                         | \{<br />"code": "auth\_code\_abc123def456",<br />"code\_challenge\_method": "S256",<br />"code\_verifier": "dBjftJeZ4CVP-mB92K27uhbUJU1p1r\_wW1gFWFOEjXk"<br />} |