Title: ProviderRegistry::setProviderRequestAuthentication
Published: May 20, 2026

---

# ProviderRegistry::setProviderRequestAuthentication( string|WordPressAiClientProvidersclass-string $idOrClassName, WordPressAiClientProvidersHttpContractsRequestAuthenticationInterface $requestAuthentication )

## In this article

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

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

Sets the request authentication instance for the given provider.

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

 `$idOrClassName`string|<span class="WordPressAiClientProvidersclass-string”>WordPressAiClientProvidersclass-
stringrequired

The provider ID or class name.

`$requestAuthentication`WordPressAiClientProvidersHttpContractsRequestAuthenticationInterfacerequired

The request authentication instance.

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

    ```php
    public function setProviderRequestAuthentication(string $idOrClassName, RequestAuthenticationInterface $requestAuthentication): void
    {
        $className = $this->resolveProviderClassName($idOrClassName);
        $this->providerAuthenticationInstances[$className] = $requestAuthentication;
        $this->setRequestAuthenticationForProvider($className, $requestAuthentication);
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/providers/providerregistry.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Providers/ProviderRegistry.php#L327)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Providers/ProviderRegistry.php#L327-L332)

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

| Uses | Description | 
| [ProviderRegistry::setRequestAuthenticationForProvider()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-providerregistry/setrequestauthenticationforprovider/)`wp-includes/php-ai-client/src/Providers/ProviderRegistry.php` |

Sets the request authentication for a specific provider, hooking up its class instances.

  | 
| [ProviderRegistry::resolveProviderClassName()](https://developer.wordpress.org/reference/classes/wordpress-aiclient-providers-providerregistry/resolveproviderclassname/)`wp-includes/php-ai-client/src/Providers/ProviderRegistry.php` |

Gets the class name for a registered provider (handles both ID and class name input).

  |

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

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

## User Contributed Notes

You must [log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fdeveloper.wordpress.org%2Freference%2Fclasses%2Fwordpress-aiclient-providers-providerregistry%2Fsetproviderrequestauthentication%2F)
before being able to contribute a note or feedback.