(VB.NET) MessageMedia - Send Messages

See more MessageMedia Examples

Submit one or more (up to 100 per request) SMS, MMS, or text to voice messages for delivery.

For more information, see https://support.messagemedia.com/hc/en-us/articles/4413635760527-Messaging-API

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 --request POST \
'      --header "Content-Type: application/json" \
'      --header "Accept: application/json" \
'      --data-binary "{
'     \"messages\": [
'         {
'             \"callback_url\": \"https://my.callback.url.com\",
'             \"content\": \"My first message\",
'             \"destination_number\": \"+61491570156\",
'             \"delivery_report\": true,
'             \"format\": \"SMS\",
'             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
'             \"metadata\": {
'                 \"myKey\": \"myValue\",
'                 \"anotherKey\": \"anotherValue\"
'             },
'             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
'             \"source_number\": \"+61491570157\",
'             \"source_number_type\": \"INTERNATIONAL\"
'         },
'         {
'             \"callback_url\": \"https://my.callback.url.com\",
'             \"content\": \"My second message\",
'             \"destination_number\": \"+61491570158\",
'             \"delivery_report\": true,
'             \"format\": \"MMS\",
'             \"subject\": \"This is an MMS message\",
'             \"media\": [ \"https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg\" ],
'             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
'             \"metadata\": {
'                 \"myKey\": \"myValue\",
'                 \"anotherKey\": \"anotherValue\"
'             },
'             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
'             \"source_number\": \"+61491570159\",
'             \"source_number_type\": \"INTERNATIONAL\"
'         }
'     ]
' }" \
' https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/messages

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

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

' The following JSON is sent in the request body.

' {
'   "messages": [
'     {
'       "callback_url": "https://my.callback.url.com",
'       "content": "My first message",
'       "destination_number": "+61491570156",
'       "delivery_report": true,
'       "format": "SMS",
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570157",
'       "source_number_type": "INTERNATIONAL"
'     },
'     {
'       "callback_url": "https://my.callback.url.com",
'       "content": "My second message",
'       "destination_number": "+61491570158",
'       "delivery_report": true,
'       "format": "MMS",
'       "subject": "This is an MMS message",
'       "media": [
'         "https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg"
'       ],
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570159",
'       "source_number_type": "INTERNATIONAL"
'     }
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("messages[0].callback_url","https://my.callback.url.com")
json.UpdateString("messages[0].content","My first message")
json.UpdateString("messages[0].destination_number","+61491570156")
json.UpdateBool("messages[0].delivery_report",True)
json.UpdateString("messages[0].format","SMS")
json.UpdateString("messages[0].message_expiry_timestamp","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[0].metadata.myKey","myValue")
json.UpdateString("messages[0].metadata.anotherKey","anotherValue")
json.UpdateString("messages[0].scheduled","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[0].source_number","+61491570157")
json.UpdateString("messages[0].source_number_type","INTERNATIONAL")
json.UpdateString("messages[1].callback_url","https://my.callback.url.com")
json.UpdateString("messages[1].content","My second message")
json.UpdateString("messages[1].destination_number","+61491570158")
json.UpdateBool("messages[1].delivery_report",True)
json.UpdateString("messages[1].format","MMS")
json.UpdateString("messages[1].subject","This is an MMS message")
json.UpdateString("messages[1].media[0]","https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg")
json.UpdateString("messages[1].message_expiry_timestamp","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[1].metadata.myKey","myValue")
json.UpdateString("messages[1].metadata.anotherKey","anotherValue")
json.UpdateString("messages[1].scheduled","2016-11-03T11:49:02.807Z")
json.UpdateString("messages[1].source_number","+61491570159")
json.UpdateString("messages[1].source_number_type","INTERNATIONAL")

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

Dim resp As Chilkat.HttpResponse = http.PostJson3("https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/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": [
'     {
'       "message_id": "04fe9a97-a579-43c5-bb1a-58ed29bf0a6a",
'       "callback_url": "https://my.url.com",
'       "status": "delivered",
'       "content": "My first message",
'       "destination_number": "+61491570156",
'       "delivery_report": true,
'       "format": "SMS",
'       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
'       "metadata": {
'         "myKey": "myValue",
'         "anotherKey": "anotherValue"
'       },
'       "scheduled": "2016-11-03T11:49:02.807Z",
'       "source_number": "+61491570157",
'       "source_number_type": "INTERNATIONAL"
'     }
'   ]
' }

' 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 message_id As String
Dim callback_url As String
Dim status As String
Dim content As String
Dim destination_number As String
Dim delivery_report As Boolean
Dim format As String
Dim message_expiry_timestamp As String
Dim MyKey As String
Dim AnotherKey As String
Dim scheduled As String
Dim source_number As String
Dim source_number_type As String

Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("messages")
While i < count_i
    jResp.I = i
    message_id = jResp.StringOf("messages[i].message_id")
    callback_url = jResp.StringOf("messages[i].callback_url")
    status = jResp.StringOf("messages[i].status")
    content = jResp.StringOf("messages[i].content")
    destination_number = jResp.StringOf("messages[i].destination_number")
    delivery_report = jResp.BoolOf("messages[i].delivery_report")
    format = jResp.StringOf("messages[i].format")
    message_expiry_timestamp = jResp.StringOf("messages[i].message_expiry_timestamp")
    MyKey = jResp.StringOf("messages[i].metadata.myKey")
    AnotherKey = jResp.StringOf("messages[i].metadata.anotherKey")
    scheduled = jResp.StringOf("messages[i].scheduled")
    source_number = jResp.StringOf("messages[i].source_number")
    source_number_type = jResp.StringOf("messages[i].source_number_type")
    i = i + 1
End While