# AspireOpenAIExtensions

- Kind: `class`
- Package: [Aspire.OpenAI](/reference/api/csharp/aspire.openai.md)
- Version: `13.4.0-preview.1.26281.18`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/becb48e2d61099e35ae336d527d3875e928d6594/src/Components/Aspire.OpenAI/AspireOpenAIExtensions.cs)

Provides extension methods for registering `OpenAIClient` as a singleton in the services provided by the `Hosting.IHostApplicationBuilder`.

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

public static class AspireOpenAIExtensions
{
    // ...
}
```

## Methods

- [AddKeyedOpenAIClient(IHostApplicationBuilder, string, Action<OpenAISettings>, Action<OpenAIClientOptions>)](/reference/api/csharp/aspire.openai/aspireopenaiextensions/methods.md#addkeyedopenaiclient-ihostapplicationbuilder-string-action-openaisettings-action-openaiclientoptions) : [AspireOpenAIClientBuilder](/reference/api/csharp/aspire.openai/aspireopenaiclientbuilder.md) `extension` -- Registers `OpenAIClient` as a singleton for given `name` in the services provided by the `builder`.
- [AddOpenAIClient(IHostApplicationBuilder, string, Action<OpenAISettings>, Action<OpenAIClientOptions>)](/reference/api/csharp/aspire.openai/aspireopenaiextensions/methods.md#addopenaiclient-ihostapplicationbuilder-string-action-openaisettings-action-openaiclientoptions) : [AspireOpenAIClientBuilder](/reference/api/csharp/aspire.openai/aspireopenaiclientbuilder.md) `extension` -- Registers `OpenAIClient` as a singleton in the services provided by the `builder`.