(VB.NET) Twilio Send SMS (using Chilkat HTTP)

Send an outgoing SMS message.

For more information, see https://www.twilio.com/docs/sms/api/message-resource#create-a-message-resource

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' This example assumes 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

' Implements the following CURL command:

' (See information about using test credentials and phone numbers:  https://www.twilio.com/docs/iam/test-credentials)

' curl -X POST https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json \
' --data-urlencode "From=+15005550006" \
' --data-urlencode "Body=body" \
' --data-urlencode "To=+15005551212" \
' -u TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN

' Use the following online tool to generate HTTP code from a CURL command
' Convert a cURL Command to HTTP Source Code

http.Login = "TWILIO_ACCOUNT_SID"
http.Password = "TWILIO_AUTH_TOKEN"

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json"
req.ContentType = "application/x-www-form-urlencoded"
req.AddParam("From","+15005550006")
req.AddParam("Body","body")
req.AddParam("To","+15005551212")


Dim resp As Chilkat.HttpResponse = http.PostUrlEncoded("https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json",req)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

' A 201 status code indicates success.
Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
'   "api_version": "2010-04-01",
'   "body": "body",
'   "date_created": "Thu, 30 Jul 2015 20:12:31 +0000",
'   "date_sent": "Thu, 30 Jul 2015 20:12:33 +0000",
'   "date_updated": "Thu, 30 Jul 2015 20:12:33 +0000",
'   "direction": "outbound-api",
'   "error_code": null,
'   "error_message": null,
'   "from": "+15017122661",
'   "messaging_service_sid": "MGXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
'   "num_media": "0",
'   "num_segments": "1",
'   "price": null,
'   "price_unit": null,
'   "sid": "MMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
'   "status": "sent",
'   "subresource_uris": {
'     "media": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Media.json"
'   },
'   "to": "+15558675310",
'   "uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Messages/SMXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.json"
' }

' Sample code for parsing the JSON response...
' Use the following online tool to generate parsing code from sample JSON:
' Generate Parsing Code from JSON




Dim account_sid As String = jResp.StringOf("account_sid")
Dim api_version As String = jResp.StringOf("api_version")
Dim body As String = jResp.StringOf("body")
Dim date_created As String = jResp.StringOf("date_created")
Dim date_sent As String = jResp.StringOf("date_sent")
Dim date_updated As String = jResp.StringOf("date_updated")
Dim direction As String = jResp.StringOf("direction")
Dim error_code As String = jResp.StringOf("error_code")
Dim error_message As String = jResp.StringOf("error_message")
Dim from As String = jResp.StringOf("from")
Dim messaging_service_sid As String = jResp.StringOf("messaging_service_sid")
Dim num_media As String = jResp.StringOf("num_media")
Dim num_segments As String = jResp.StringOf("num_segments")
Dim price As String = jResp.StringOf("price")
Dim price_unit As String = jResp.StringOf("price_unit")
Dim sid As String = jResp.StringOf("sid")
Dim status As String = jResp.StringOf("status")
Dim subresource_urisMedia As String = jResp.StringOf("subresource_uris.media")
Dim v_to As String = jResp.StringOf("to")
Dim uri As String = jResp.StringOf("uri")