(VB.NET) WhatsApp Cloud API Send Message
Demonstrates how to send a message using the WhatsApp Cloud API (Business App)
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
Dim success As Boolean
' The following JSON is sent in the request body.
' {
' "messaging_product": "whatsapp",
' "to": "16302581871",
' "type": "template",
' "template": {
' "name": "hello_world",
' "language": {
' "code": "en_US"
' }
' }
' }
Dim json As New Chilkat.JsonObject
json.UpdateString("messaging_product","whatsapp")
json.UpdateString("to","15555555555")
json.UpdateString("type","template")
json.UpdateString("template.name","hello_world")
json.UpdateString("template.language.code","en_US")
http.AuthToken = "EAANrS5....yFB9Ma"
http.SetRequestHeader("Content-Type","application/json")
Dim resp As Chilkat.HttpResponse = http.PostJson3("https://graph.facebook.com/v18.0/111111111111111/messages","application/json",json)
If (http.LastMethodSuccess = False) Then
Debug.WriteLine(http.LastErrorText)
Exit Sub
End If
Debug.WriteLine(resp.StatusCode)
Debug.WriteLine(resp.BodyStr)
' Here's a screenshot of our WhatsApp test app.
' 
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