Learn how to make HTTP requests and handle responses with the HttpClient in .NET.

In this guide, you will learn everything you need to know about using HttpClient. From the basics of making requests to advanced topics such as handling timeouts, authentication, and …

// HttpClient is intended to be instantiated once per application, rather than per-use. See Remarks. static readonly HttpClient client = new HttpClient(); static async Task Main() { // Call …

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

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, …

Aug 28, 2025 · Learn about using the IHttpClientFactory interface to manage logical HttpClient instances in ASP.NET Core.

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 …

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.

Dec 28, 2025 · 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 …

Fortunately, .NET’s built-in HttpClient class provides all the foundational capabilities needed to create a fully-functional REST client. This approach gives you complete control over the …