Come inviare un’API WhatsApp utilizzando VBNET

Introduzione

In questo snippet di codice, imparerete come inviare un’API WhatsApp utilizzando VBNET, per inviare un messaggio di testo, modelli WhatsApp, media, pulsanti interattivi, liste, prodotti … ecc, l’account Alvochat è necessario per eseguire i seguenti codici. Create un account se non ne avete uno.

Inviare un modello utilizzando l’API di WhatsApp con VBNET

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/template")
        Dim postdata As String = "token=YourToken&to=16315555555&name=hello_world&language=en_us&header=&body=&buttons=&priority="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare un messaggio di testo utilizzando l’API di WhatsApp con VBNET

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/chat")
        Dim postdata As String = "token=YourToken&to=16315555555&body=WhatsApp API on alvochat.com works good&priority=&preview_url=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Invia immagine

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/image")
        Dim postdata As String = "token=YourToken&to=16315555555&image=https://alvochat-example.s3-accelerate.amazonaws.com/image/1.jpeg&caption=image caption&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare l’audio

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/audio")
        Dim postdata As String = "token=YourToken&to=16315555555&audio=https://alvochat-example.s3-accelerate.amazonaws.com/audio/1.mp3&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Invia il video

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/video")
        Dim postdata As String = "token=YourToken&to=16315555555&video=https://alvochat-example.s3-accelerate.amazonaws.com/video/1.mp4&caption=video caption&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare il documento

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/document")
        Dim postdata As String = "token=YourToken&to=16315555555&document=https://alvochat-example.s3-accelerate.amazonaws.com/document/1.pdf&filename=&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Invia l’adesivo

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/sticker")
        Dim postdata As String = "token=YourToken&to=16315555555&sticker=https://alvochat-example.s3-accelerate.amazonaws.com/sticker/1.webp&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare il contatto

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/contact")
        Dim postdata As String = "token=YourToken&to=16315555555&contact=&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Invia posizione

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/location")
        Dim postdata As String = "token=YourToken&to=16315555555&lat=37.484296&lng=-122.148703&address=Menlo Park, California, United States&name=Meta Headquarters&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare l’elenco

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/list")
        Dim postdata As String = "token=YourToken&to=16315555555&header=header&body= please select one of the following options&footer=footer&button=options§ions=option_1,option_2,option_3&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Pulsante di invio

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/button")
        Dim postdata As String = "token=YourToken&to=16315555555&header=header&body= please select one of the following options&footer=footer&buttons=option_1,option_2,option_3&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

Inviare i prodotti

Imports System.Net
Imports System.Text

Module example
    Sub Main()  
        Dim WebRequest As HttpWebRequest
        WebRequest = HttpWebRequest.Create("https://api.alvochat.com/instance1199/messages/product")
        Dim postdata As String = "token=YourToken&to=16315555555&header=header&body=Hi , check out our new products&footer=footer&catalog_id=&product=&priority=&message_id="
        Dim enc As UTF8Encoding = New System.Text.UTF8Encoding()
        Dim postdatabytes As Byte()  = enc.GetBytes(postdata)
        WebRequest.Method = "POST"
        WebRequest.ContentType = "application/x-www-form-urlencoded"
        WebRequest.GetRequestStream().Write(postdatabytes)
       'WebRequest.GetRequestStream().Write(postdatabytes, 0, postdatabytes.Length) 
        Dim ret As New System.IO.StreamReader(WebRequest.GetResponse().GetResponseStream())
        console.writeline(ret.ReadToEnd())
    End Sub  
  
End Module

È possibile consultare la documentazione completa dell’API di Whatsapp qui.