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

// 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 asynchronous network …

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, as the …

The default message handler used by HttpClient in .NET Framework and .NET Core 2.0 and earlier.

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 …

3 days ago · 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 21, 2023 · The HttpClient class can be used in scenarios that use text as well as scenarios that use arbitrary streams of data. Filters (see namespace) provide a way to modify the request/response flow …

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.

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 …