Title: ApiKeyRequestAuthentication::__construct
Published: May 20, 2026

---

# ApiKeyRequestAuthentication::__construct( string $apiKey )

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#wp--skip-link--target)

Constructor.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#parameters)󠁿

 `$apiKey`stringrequired

The API key used for authentication.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#source)󠁿

    ```php
    public function __construct(string $apiKey)
    {
        $this->apiKey = $apiKey;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/providers/http/dto/apikeyrequestauthentication.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/ApiKeyRequestAuthentication.php#L33)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Providers/Http/DTO/ApiKeyRequestAuthentication.php#L33-L36)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#related)󠁿

| Used by | Description | 
| [ApiKeyRequestAuthentication::fromArray()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/fromarray/)`wp-includes/php-ai-client/src/Providers/Http/DTO/ApiKeyRequestAuthentication.php` |

{@inheritDoc}

  | 
| [_wp_connectors_pass_default_keys_to_ai_client()](https://developer.wordpress.org/reference/functions/_wp_connectors_pass_default_keys_to_ai_client/)`wp-includes/connectors.php` |

Passes stored connector API keys to the WP AI client.

  | 
| [_wp_connectors_is_ai_api_key_valid()](https://developer.wordpress.org/reference/functions/_wp_connectors_is_ai_api_key_valid/)`wp-includes/connectors.php` |

Checks whether an API key is valid for a given provider.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-http-dto-apikeyrequestauthentication/__construct/?output_format=md#changelog)󠁿

| Version | Description | 
| [0.1.0](https://developer.wordpress.org/reference/since/0.1.0/) | Introduced. |

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