# AspirePostaExtensions

- Kind: `class`
- Package: [CommunityToolkit.Aspire.Posta](/reference/api/csharp/communitytoolkit.aspire.posta.md)
- Version: `13.5.0`
- Namespace: `Microsoft.Extensions.Hosting`
- Target framework: `net10.0`
- Source: [GitHub](https://github.com/CommunityToolkit/Aspire/blob/4ff8268fbd97ddd23cb73dc8eff9cc92718156d1/src/CommunityToolkit.Aspire.Posta/Clients/PostaClientBuilderExtensions.cs)

Extension methods for registering a Posta API client.

## Definition

```csharp
namespace Microsoft.Extensions.Hosting;

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

## Methods

- [AddKeyedPostaClient(IHostApplicationBuilder, string, Action<PostaClientSettings>, string?)](/reference/api/csharp/communitytoolkit.aspire.posta/aspirepostaextensions/methods.md#addkeyedpostaclient-ihostapplicationbuilder-string-action-postaclientsettings-string) `extension` -- Registers a keyed [IPostaClient](/reference/api/csharp/communitytoolkit.aspire.posta/ipostaclient.md) whose service key is the connection name.
- [AddKeyedPostaClient(IHostApplicationBuilder, object, string, Action<PostaClientSettings>, string?)](/reference/api/csharp/communitytoolkit.aspire.posta/aspirepostaextensions/methods.md#addkeyedpostaclient-ihostapplicationbuilder-object-string-action-postaclientsettings-string) `extension` -- Registers a keyed [IPostaClient](/reference/api/csharp/communitytoolkit.aspire.posta/ipostaclient.md) using a custom service key.
- [AddPostaClient(IHostApplicationBuilder, string, Action<PostaClientSettings>, string?)](/reference/api/csharp/communitytoolkit.aspire.posta/aspirepostaextensions/methods.md#addpostaclient-ihostapplicationbuilder-string-action-postaclientsettings-string) `extension` -- Registers an [IPostaClient](/reference/api/csharp/communitytoolkit.aspire.posta/ipostaclient.md) using Aspire service discovery or a configured endpoint.