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  • Jonathan Bäckström 6 posts 96 karma points
    Aug 10, 2018 @ 08:53
    Jonathan Bäckström

    Create single instance of HttpClient


    I am using HttpClient to send GET and POST requests. According to this article you should not create a new instance of the HttpClient before each call but rather reuse one instance through out the lifetime of the application.

    So instead of:

    var client = new HttpClient()
    var response = client.GetAsync(url);

    I would like to use a global instance of client.

    How can you create such reusable instances in Umbraco?

    Where can I put the code so it is created at start and survives as long as the application is running?


  • Bex 444 posts 555 karma points
    Oct 09, 2019 @ 12:50


    I know it's a long time since you posted this but do you remember what you ended up doing?

  • Chester Campbell 65 posts 123 karma points
    Oct 09, 2019 @ 22:30
    Chester Campbell

    A simple solution would be to create a static class that holds a static instance of HttpClient. For example:

    namespace MyProjectCode
        public static class EmailHelper
            public static System.Net.Http.HttpClient client = new System.Net.Http.HttpClient();

    Then to use it elsewhere in your code:

    HttpResponseMessage response = await MyProjectCode.EmailHelper.client.PostAsJsonAsync("", Newtonsoft.Json.JsonConvert.SerializeObject(myObject));
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