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HttpClientExtensions.PostAsJsonAsync<T> Method (HttpClient, Uri, T)

Sends a POST request as an asynchronous operation to the specified URI with the given value serialized as JSON.

Namespace:  System.Net.Http
Assembly:  System.Net.Http.Formatting (in System.Net.Http.Formatting.dll)

public static Task<HttpResponseMessage> PostAsJsonAsync<T>(
	this HttpClient client,
	Uri requestUri,
	T value

Type Parameters


The type of value.


Type: HttpClient
The client used to make the request.
Type: System.Uri
The URI the request is sent to.
Type: T
The value that will be placed in the request's entity body.

Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>
A task object representing the asynchronous operation.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type HttpClient. When you use instance method syntax to call this method, omit the first parameter. For more information, see or

This method uses the default instance of JsonMediaTypeFormatter.

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