Como enviar uma API WhatsApp usando C#

Introdução

Neste trecho de código c#, aprende como enviar uma API WhatsApp usando c-sharp, para enviar uma mensagem de texto, Modelos WhatsApp, suportes, botões interactivos, listas, produtos… etc, é necessário ter uma conta Alvochat para executar os seguintes códigos. Crie uma conta, se não tiver uma.

Inicialmente, deve certificar-se de que a biblioteca RestSharp é a última versão: 108.0.1 está pronta porque utilizaremos esta biblioteca neste artigo para enviar mensagens Whatsapp para o Portal Alvochat.

Enviar modelo utilizando o WhatsApp API e c#

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/template";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("name", "hello_world");
			request.AddParameter("language", "en_us");
			request.AddParameter("header", "");
			request.AddParameter("body", "");
			request.AddParameter("buttons", "");
			request.AddParameter("priority", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar uma mensagem de texto utilizando o WhatsApp API e c#

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/chat";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("body", "WhatsApp API on alvochat.com works good");
			request.AddParameter("priority", "");
			request.AddParameter("preview_url", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar imagem

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/image";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("image", "https://alvochat-example.s3-accelerate.amazonaws.com/image/1.jpeg");
			request.AddParameter("caption", "image caption");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar áudio

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/audio";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("audio", "https://alvochat-example.s3-accelerate.amazonaws.com/audio/1.mp3");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar vídeo

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/video";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("video", "https://alvochat-example.s3-accelerate.amazonaws.com/video/1.mp4");
			request.AddParameter("caption", "video caption");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar documento

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/document";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("document", "https://alvochat-example.s3-accelerate.amazonaws.com/document/1.pdf");
			request.AddParameter("filename", "");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar autocolante

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/sticker";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("sticker", "https://alvochat-example.s3-accelerate.amazonaws.com/sticker/1.webp");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar Contacto

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/contact";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("contact", "");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar local

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/location";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("lat", "37.484296");
			request.AddParameter("lng", "-122.148703");
			request.AddParameter("address", "Menlo Park, California, United States");
			request.AddParameter("name", "Meta Headquarters");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar lista

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/list";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("header", "header");
			request.AddParameter("body", " please select one of the following options");
			request.AddParameter("footer", "footer");
			request.AddParameter("button", "options");
			request.AddParameter("sections", "option_1,option_2,option_3");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Botão Enviar

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/button";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("header", "header");
			request.AddParameter("body", " please select one of the following options");
			request.AddParameter("footer", "footer");
			request.AddParameter("buttons", "option_1,option_2,option_3");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Enviar produtos

using System;
using System.Threading.Tasks;
using RestSharp;

public class Program
{
    public static async Task Main()
    {

        var url = "https://api.alvochat.com/instance1199/messages/product";
        var client = new RestClient(url);

        var request = new RestRequest(url, Method.Post);    
        request.AddHeader("content-type", "application/x-www-form-urlencoded");
  			request.AddParameter("token", "YourToken");
			request.AddParameter("to", "16315555555");
			request.AddParameter("header", "header");
			request.AddParameter("body", "Hi , check out our new products");
			request.AddParameter("footer", "footer");
			request.AddParameter("catalog_id", "");
			request.AddParameter("product", "");
			request.AddParameter("priority", "");
			request.AddParameter("message_id", "");


        RestResponse response = await client.ExecuteAsync(request);
        var output = response.Content;
        Console.WriteLine(output);
    }
}

Pode ver a Documentação API Whatsapp completa aqui.