How to create JSON post to api using C

Question

I m in the process of creating a C  console application which reads text from a text file  turns it into a JSON formatted string  held in a string variable   and needs to POST the JSON request to a web api  I m using  NET Framework 4   My struggle is with creating the request and getting the response  using C   What is the basic code that is necessary  Comments in the code would be helpful  What I ve got so far is the below  but I m not sure if I m on the right track     POST JSON REQUEST TO API HttpWebRequest request    HttpWebRequest WebRequest Create  POST URL GOES HERE      request Method    POST   request ContentType    application json    System Text UTF8Encoding encoding   new System Text UTF8Encoding    byte   bytes   encoding GetBytes jsonPOSTString    request ContentLength   bytes Length   using  Stream requestStream   request GetRequestStream             Send the data      requestStream Write bytes  0  bytes Length        RESPONSE HERE

User · Accepted Answer

Have you tried using the WebClient class?

you should be able to use

string result = "";
using (var client = new WebClient())
{
    client.Headers[HttpRequestHeader.ContentType] = "application/json"; 
    result = client.UploadString(url, "POST", json);
}
Console.WriteLine(result);

Documentation at

http://msdn.microsoft.com/en-us/library/system.net.webclient%28v=vs.110%29.aspx

http://msdn.microsoft.com/en-us/library/d0d3595k%28v=vs.110%29.aspx

User · Answer

Try using Web API HttpClient      static async Task RunAsync                 using  var client   new HttpClient                          client BaseAddress   new Uri  http   domain com                 client DefaultRequestHeaders Accept Clear                client DefaultRequestHeaders Accept Add new MediaTypeWithQualityHeaderValue  application json                      HTTP POST             var obj   new MyObject     Str    MyString                response   await client PostAsJsonAsync  POST URL GOES HERE    obj                if  response IsSuccessStatusCode                                response      Contains the returned content                                  You can find more details here Web API Clients

[c#] How to create JSON post to api using C#

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