c# post json

upload.cs

protected async Task UploadPost(Post post, string endpoint)
        {
            var client = new HttpClient();
            var json = JsonConvert.SerializeObject(post, Formatting.Indented);
            var content = new StringContent(json, Encoding.UTF8, "application/json");
            var url = $"{endpoint}";
            var response = await client.PostAsync(url, content);
            if (!response.IsSuccessStatusCode)
            {
                throw new Exception($"Could not upload post {post.DetailsUri}: {response.ReasonPhrase}");
            }
        }