content type application/json c#
var url = new Uri(""); // url to make post request to
var json = ""; // json to post
// create string content with MediaTypeHeaderValue
var stringContent = new StringContent(partialSnackerJson)
{
Headers =
{
ContentType = new MediaTypeHeaderValue("application/json")
}
};
// make http request
var response = await client.PostAsync(url, stringContent);