(VB.NET) Clickatell Send SMS Text Message

See more Clickatell Examples

Demonstrate how to send a Clickatell SMS text message.

For more information, see https://docs.clickatell.com/channels/sms-channels/sms-api-reference/

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:

' curl -i \
' -X POST \
' -H "Content-Type: application/json" \
' -H "Accept: application/json" \
' -H "Authorization: API_KEY" \
' -d '{"content": "Test Message Text", "to": ["PHONE_NUMBER"], "from": "FROM_PHONE_NUMBER" }' \
' -s https://platform.clickatell.com/messages

' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON

' The following JSON is sent in the request body.

' {
'   "content": "Test Message Text",
'   "to": [
'     "PHONE_NUMBER"
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("content","Test Message Text")
json.UpdateString("to[0]","PHONE_NUMBER")
json.UpdateString("from","FROM_PHONE_NUMBER")

http.SetRequestHeader("Authorization","API_KEY")
http.SetRequestHeader("Accept","application/json")
http.SetRequestHeader("Content-Type","application/json")

' If the following URL does not work, then try "https://platform.clickatell.com/v1/message"
Dim resp As Chilkat.HttpResponse = http.PostJson3("https://platform.clickatell.com/messages","application/json",json)
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())

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)

' {
'   "messages": [
'     {
'       "apiMessageId": "66c06ac68e5c4afb953ea9328babfde6",
'       "accepted": true,
'       "to": "16302581871",
'       "errorCode": null,
'       "error": null,
'       "errorDescription": null
'     }
'   ],
'   "errorCode": null,
'   "error": null,
'   "errorDescription": null
' }

' 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 errorCode As String
Dim error As String
Dim errorDescription As String
Dim i As Integer
Dim count_i As Integer
Dim apiMessageId As String
Dim accepted As Boolean
Dim v_to As String

errorCode = jResp.StringOf("errorCode")
error = jResp.StringOf("error")
errorDescription = jResp.StringOf("errorDescription")
i = 0
count_i = jResp.SizeOfArray("messages")
While i < count_i
    jResp.I = i
    apiMessageId = jResp.StringOf("messages[i].apiMessageId")
    accepted = jResp.BoolOf("messages[i].accepted")
    v_to = jResp.StringOf("messages[i].to")
    errorCode = jResp.StringOf("messages[i].errorCode")
    error = jResp.StringOf("messages[i].error")
    errorDescription = jResp.StringOf("messages[i].errorDescription")
    i = i + 1
End While