Calling a Discord Webhook in C#

example.cs

void Main()
{
	string webhookUrl = "https://discordapp.com/api/webhooks/602563605837250567/XWwqCqUc45sdSd3wfgdfggfjOSJ93fJQ0l-VjawpHh_UbYOzI324234234sShS6Pcx8b";
	new DiscordEmbedWebhookRequest() {
		Embeds = new List<UserQuery.DiscordEmbedWebhookRequest.DiscordEmbed>(){ 
			new UserQuery.DiscordEmbedWebhookRequest.DiscordEmbed(){
				Title = "Fancy"
			}
		}
	}.SendSync(webhookUrl);
}

public abstract class DiscordWebhookRequest {
	[JsonProperty("username")]
	public string Username { get; set; }

	[JsonProperty("avatar_url")]
	public string AvatarUrl { get; set; }
	
	[JsonProperty("tts")]
	public bool IsTTS { get; set; }

	public HttpResponseMessage SendSync(string webhookUrl)
	{
		webhookUrl += "?wait=true";
		using (HttpClient client = new HttpClient())
		{
			Task<HttpResponseMessage> response = client.PostAsync(webhookUrl, new StringContent(JsonConvert.SerializeObject(this), Encoding.UTF8, "application/json"));
			response.Wait();
			return response.Result;
		}
	}
	
	public Task<HttpResponseMessage> SendAsync(string webhookUrl)
	{
		using (HttpClient client = new HttpClient())
		{
			return client.PostAsync(webhookUrl, new StringContent(JsonConvert.SerializeObject(this), Encoding.UTF8, "application/json"));
		}
	}
}

public class DiscordTextWebhookRequest : DiscordWebhookRequest
{
	private string content;
	[JsonProperty("content")]
	public string Content
	{
		get
		{
			return content;
		}
		set
		{
			if (value.Length > 2000)
			{
				throw new InvalidDataException("The message can't be longer then 2000 chars.");
			}
			content = value;
		}
	}
}

public class DiscordEmbedWebhookRequest : DiscordWebhookRequest
{
	public class DiscordEmbed
	{
		public class DiscordEmbedFooter
		{
			[JsonProperty("text")]
			public string Text { get; set; }

			[JsonProperty("icon_url")]
			public string IconUrl { get; set; }

			[JsonProperty("proxy_icon_url")]
			public string ProxyIconUrl { get; set; }
		}

		public class DiscordEmbedImage
		{
			[JsonProperty("url")]
			public string Url { get; set; }

			[JsonProperty("proxy_url")]
			public string ProxyUrl { get; set; }

			[JsonProperty("height")]
			public int Height { get; set; }

			[JsonProperty("width")]
			public int Width { get; set; }
		}

		public class DiscordEmbedVideo
		{
			[JsonProperty("url")]
			public string Url { get; set; }

			[JsonProperty("height")]
			public int Height { get; set; }

			[JsonProperty("width")]
			public int Width { get; set; }
		}

		public class DiscordEmbedProvider
		{
			[JsonProperty("name")]
			public string Name { get; set; }

			[JsonProperty("url")]
			public string Url { get; set; }
		}

		public class DiscordEmbedAuthor
		{
			[JsonProperty("name")]
			public string Name { get; set; }

			[JsonProperty("url")]
			public string Url { get; set; }

			[JsonProperty("icon_url")]
			public string IconUrl { get; set; }

			[JsonProperty("proxy_icon_url")]
			public string ProxyIconUrl { get; set; }
		}


		public class DiscordEmbedField
		{
			[JsonProperty("name")]
			public string Name { get; set; }

			[JsonProperty("value")]
			public string Value { get; set; }

			[JsonProperty("inline")]
			public bool ShowInline { get; set; }
		}

		[JsonProperty("title")]
		public string Title { get; set; }

		[JsonProperty("type")]
		public string Type { get; set; } = "rich";

		[JsonProperty("description")]
		public string Description { get; set; }

		[JsonProperty("url")]
		public string Url { get; set; }

		[JsonProperty("timestamp")]
		public string Timestamp
		{
			get
			{
				return TimestampDate?.ToString("s", System.Globalization.CultureInfo.InvariantCulture);
			}
			set
			{
				TimestampDate = DateTime.ParseExact(value, "s", System.Globalization.CultureInfo.InvariantCulture);
			}
		}

		[JsonIgnoreAttribute]
		public DateTime? TimestampDate { get; set; } = null;

		[JsonProperty("color")]
		public int Color { get; set; }

		[JsonProperty("footer")]
		public DiscordEmbedFooter Footer { get; set; }

		[JsonProperty("image")]
		public DiscordEmbedImage Image { get; set; }

		[JsonProperty("thumbnail")]
		public DiscordEmbedImage Thumbnail { get; set; }

		[JsonProperty("video")]
		public DiscordEmbedVideo Video { get; set; }

		[JsonProperty("provider")]
		public DiscordEmbedProvider Provider { get; set; }

		[JsonProperty("author")]
		public DiscordEmbedAuthor Author { get; set; }

		[JsonProperty("fields")]
		public List<DiscordEmbedField> Fields { get; set; }
	}

	[JsonProperty("embeds")]
	public List<DiscordEmbed> Embeds { get; set; }
}

public class DiscordFileWebhookRequest : DiscordWebhookRequest
{
	[JsonProperty("payload_json")]
	public string Payload { get; set; }

	[JsonProperty("file")]
	public string FileName { get; set; }
}