> ## 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                                      |
| --------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------- | -------------------------------------------------------------------------- | -------------------------------------------- |
| `Code`                | `string`                                                                                                                                                                | :heavy\_check\_mark: | The authorization code received from the OAuth redirect                    | auth\_code\_abc123def456                     |
| `CodeChallengeMethod` | optionalnullable.OptionalNullable\[[operations.ExchangeAuthCodeForAPIKeyCodeChallengeMethod](../../models/operations/exchangeauthcodeforapikeycodechallengemethod.mdx)] | :heavy\_minus\_sign: | The method used to generate the code challenge                             | S256                                         |
| `CodeVerifier`        | `*string`                                                                                                                                                               | :heavy\_minus\_sign: | The code verifier if code\_challenge was used in the authorization request | dBjftJeZ4CVP-mB92K27uhbUJU1p1r\_wW1gFWFOEjXk |