Remarks For more information about this API, see Supplemental API remarks for HttpClient.

Mar 5, 2026 · Learn how to make HTTP requests and handle responses with the HttpClient in .NET.

Oct 22, 2025 · Learn about using HttpClient instances to send HTTP requests and how you can manage clients using IHttpClientFactory in your .NET apps.

Apr 29, 2026 · Learn about using the IHttpClientFactory interface to manage logical HttpClient instances in ASP.NET Core.

Jan 17, 2025 · HttpClient pools HTTP connections where possible and uses them for more than one request. This can have a significant performance benefit, especially for HTTPS requests, as the …

HttpClient is intended to be instantiated once and reused throughout the life of an application. Instantiating an HttpClient class for every request will exhaust the number of sockets available under …

May 17, 2026 · Designed for extension while providing robust support for the base HTTP protocol, HttpClient may be of interest to anyone building HTTP-aware client applications such as web …

Jun 10, 2023 · The easy way to make HTTP requests in .NET is to use the HttpClient to send those requests. And it's a great abstraction to work with, especially with the methods supporting JSON …

Once built, an HttpClient is immutable, and can be used to send multiple requests. An HttpClient provides configuration information, and resource sharing, for all requests sent through it.

What is HttpClient? In C#, HttpClient is the class that uses the system.Net.Http namespace that allows your application to sent Http Request and receive HTTP response from web server.